Recursive sample added for TreeNode iteratation (#1058)

* Non-recursive tree traversal C# sample added

* Changed formatting to reflect markdown correctly

* Formatting updated

* Updated sentence

* Update to confirm to ESlint changes

* Resolve  indentation mismatch

* Correctly link the xref

* Added C# code snippets for iteration over TreeView

* Add reference to c# code snippet

* Added a ref to the code snippet for recursive c#

* Fix comment

* VisualBasic code snippet for TreeViewTraversal

* Updated vb reference to code snippet

* Cpp gitignore updated

* Added cpp snippet for TreeView iteration

* C# commenting out print calls

* Vb commenting out print calls

* Reorder Folder Structure cpp

* Document updated with code snippets

* C# proj prpgrp updated

* VB prpgrp added

* Cpp prpgrp added

* Fixed typo

* Add description, update date

* Updating to match the two sections in style

* Adding teh snippets.5000.json file

* Update dotnet-desktop-guide/framework/winforms/controls/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control.md

* Update dotnet-desktop-guide/framework/winforms/controls/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control.md

Co-authored-by: Andy (Steve) De George <[email protected]>
This commit is contained in:
Lavin S
2021-05-07 09:09:05 -07:00
committed by GitHub
co-authored by Andy De George
parent 6ca5ef0da8
commit 9722305b10
34 changed files with 1996 additions and 99 deletions
+24
View File
@@ -44,3 +44,27 @@ ehthumbs_vista.db
[Oo]bj/
*.sln
*.user
# C++
# Compiled Object files
*.slo
*.lo
*.o
# Compiled Dynamic libraries
*.so
*.dylib
# Compiled Static libraries
*.lai
*.la
*.a
# Visual Studio Files
Debug
Release
*.suo
*.csproj.user
*.vbproj.user
ipch
*sdf
@@ -1,6 +1,7 @@
---
title: Iterate Through All Nodes of TreeView Control
ms.date: "03/30/2017"
ms.date: "05/06/2021"
description: Learn how to interate through the nodes of a Windows Forms TreeView control. TreeView Nodes provide properties that navigate through the TreeView control.
dev_langs:
- "csharp"
- "vb"
@@ -13,111 +14,32 @@ ms.assetid: 427f8928-ebcf-4beb-887f-695b905d5134
---
# How to: Iterate Through All Nodes of a Windows Forms TreeView Control
It is sometimes useful to examine every node in a Windows Forms <xref:System.Windows.Forms.TreeView> control in order to perform some calculation on the node values. This operation can be done using a recursive procedure (recursive method in C# and C++) that iterates through each node in each collection of the tree.
It is sometimes useful to examine every node in a Windows Forms <xref:System.Windows.Forms.TreeView> control in order to perform some calculation on the node values. This operation can be done using a recursive method (recursive procedure in VB.NET) that iterates through each node in each collection of the tree.
Each <xref:System.Windows.Forms.TreeNode> object in a tree view has properties that you can use to navigate the tree view: <xref:System.Windows.Forms.TreeNode.FirstNode%2A>, <xref:System.Windows.Forms.TreeNode.LastNode%2A>, <xref:System.Windows.Forms.TreeNode.NextNode%2A>, <xref:System.Windows.Forms.TreeNode.PrevNode%2A>, and <xref:System.Windows.Forms.TreeNode.Parent%2A>. The value of the <xref:System.Windows.Forms.TreeNode.Parent%2A> property is the parent node of the current node. The child nodes of the current node, if there are any, are listed in its <xref:System.Windows.Forms.TreeNode.Nodes%2A> property. The <xref:System.Windows.Forms.TreeView> control itself has the <xref:System.Windows.Forms.TreeView.TopNode%2A> property, which is the root node of the entire tree view.
### To iterate through all nodes of the TreeView control
## Recursive approach
1. Create a recursive procedure (recursive method in C# and C++) that tests each node.
The recursive approach uses a method that processes a tree node, and then calls the same method for each child node. This repeats until every node in the tree is processed. The drawback to this approach is that if the tree is big, you may run into a stack overflow error and run out of memory.
2. Call the procedure.
The following example shows how to print each <xref:System.Windows.Forms.TreeNode> object's <xref:System.Windows.Forms.TreeNode.Text%2A> property:
The following example shows how to print each <xref:System.Windows.Forms.TreeNode> object's <xref:System.Windows.Forms.TreeNode.Text%2A> property:
```vb
Private Sub PrintRecursive(ByVal n As TreeNode)
System.Diagnostics.Debug.WriteLine(n.Text)
MessageBox.Show(n.Text)
Dim aNode As TreeNode
For Each aNode In n.Nodes
PrintRecursive(aNode)
Next
End Sub
' Call the procedure using the top nodes of the treeview.
Private Sub CallRecursive(ByVal aTreeView As TreeView)
Dim n As TreeNode
For Each n In aTreeView.Nodes
PrintRecursive(n)
Next
End Sub
```
```csharp
private void PrintRecursive(TreeNode treeNode)
{
// Print the node.
System.Diagnostics.Debug.WriteLine(treeNode.Text);
MessageBox.Show(treeNode.Text);
// Print each node recursively.
foreach (TreeNode tn in treeNode.Nodes)
{
PrintRecursive(tn);
}
}
// Call the procedure using the TreeView.
private void CallRecursive(TreeView treeView)
{
// Print each node recursively.
TreeNodeCollection nodes = treeView.Nodes;
foreach (TreeNode n in nodes)
{
PrintRecursive(n);
}
}
```
```cpp
private:
void PrintRecursive( TreeNode^ treeNode )
{
// Print the node.
System::Diagnostics::Debug::WriteLine( treeNode->Text );
MessageBox::Show( treeNode->Text );
// Print each node recursively.
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(treeNode->Nodes))->GetEnumerator();
try
{
while ( myNodes->MoveNext() )
{
TreeNode^ tn = safe_cast<TreeNode^>(myNodes->Current);
PrintRecursive( tn );
}
}
finally
{
IDisposable^ disposable = dynamic_cast<System::IDisposable^>(myNodes);
if ( disposable != nullptr )
disposable->Dispose();
}
}
// Call the procedure using the TreeView.
void CallRecursive( TreeView^ treeView )
{
// Print each node recursively.
TreeNodeCollection^ nodes = treeView->Nodes;
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(nodes))->GetEnumerator();
try
{
while ( myNodes->MoveNext() )
{
TreeNode^ n = safe_cast<TreeNode^>(myNodes->Current);
PrintRecursive( n );
}
}
finally
{
IDisposable^ disposable = dynamic_cast<System::IDisposable^>(myNodes);
if ( disposable != nullptr )
disposable->Dispose();
}
}
```
:::code language="csharp" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/cs/Form1.cs" id="PrintRecursive":::
:::code language="vb" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/vb/Form1.vb" id="PrintRecursive":::
:::code language="cpp" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/cpp/MyForm.h" id="PrintRecursive":::
## Non-recursive approach
The following example is an alternate iterative approach to traversing the nodes of the tree using a <xref:System.Collections.Generic.Queue%601> collection. This approach doesn't follow the parent-child relationship of a node only ensures every node is printed. If you want to process each tree node and its children, first, use the <xref:System.Collections.Generic.Stack%601> collection
:::code language="csharp" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/cs/Form1.cs" id="PrintNonRecursive":::
:::code language="vb" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/vb/Form1.vb" id="PrintNonRecursive":::
:::code language="cpp" source="snippets/how-to-iterate-through-all-nodes-of-a-windows-forms-treeview-control/cpp/MyForm.h" id="PrintNonRecursive":::
## See also
- [TreeView Control](treeview-control-windows-forms.md)
@@ -0,0 +1,13 @@
#include "MyForm.h"
using namespace System;
using namespace System::Windows::Forms;
[STAThreadAttribute]
void main(array<String^>^ args) {
Application::SetCompatibleTextRenderingDefault(false);
Application::EnableVisualStyles();
project::MyForm frm;
Application::Run(%frm);
}
@@ -0,0 +1,267 @@
#pragma once
#include "Student.h"
#include "Subject.h"
#include "TextBook.h"
namespace project {
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
/// <summary>
/// Summary for MyForm
/// </summary>
public ref class MyForm : public System::Windows::Forms::Form
{
public:
MyForm(void)
{
InitializeComponent();
PopulateTreeView();
//Below method implementations will start printing node values to MessageBoxes and can be time consuming.
//An alternate way to check is adding two labels and printing the values of the total nodes in each using both the below traversal methods.
//CallRecursive(trvTest);
//CallNonRecursive(trvTest);
}
private:
//List of all students
ArrayList^ studentArray = gcnew ArrayList();
void PopulateTreeView()
{
// Add students to the ArrayList of Student objects.
for (int x = 0; x < 5; x++)
{
studentArray->Add(gcnew Student("Student " + x.ToString()));
}
// Add subjects to each Student object in the ArrayList.
for(int x = 0; x < 5; x++)
{
for (int y = 0; y < 10; y++)
{
safe_cast<Student^>(studentArray[x])->StudentSubjects->Add(gcnew Subject("Subject " + y.ToString()));
}
}
// Add subjects to each Student object in the ArrayList.
for (int x = 0; x < 5; x++)
{
for (int y = 0; y < 10; y++)
{
for (int z = 0; z < 3; z++)
{
safe_cast<Subject^>(safe_cast<Student^>(studentArray[x])->StudentSubjects[y])->SubjectTextbooks->Add(gcnew TextBook("TextBook " + z.ToString()));
}
}
}
// Suppress repainting the TreeView until all the objects have been created.
trvTest->BeginUpdate();
// Clear the TreeView each time the method is called.
trvTest->Nodes->Clear();
System::Collections::IEnumerator^ studArray = (safe_cast<System::Collections::IEnumerable^>(studentArray))->GetEnumerator();
// Add a root TreeNode for each Student object in the ArrayList.
while (studArray->MoveNext())
{
trvTest->Nodes->Add(gcnew TreeNode(safe_cast<Student^>(studArray->Current)->StudentName));
System::Collections::IEnumerator^ studSubjects = (safe_cast<System::Collections::IEnumerable^>(safe_cast<Student^>(studArray->Current)->StudentSubjects))->GetEnumerator();
while (studSubjects->MoveNext())
{
trvTest->Nodes[studentArray->IndexOf(safe_cast<Student^>(studArray->Current))]->Nodes->Add(gcnew TreeNode(safe_cast<Subject^>(studSubjects->Current)->SubjectID));
System::Collections::IEnumerator^ subTextbooks = (safe_cast<System::Collections::IEnumerable^>(safe_cast<Subject^>(studSubjects->Current)->SubjectTextbooks))->GetEnumerator();
while (subTextbooks->MoveNext())
{
trvTest->Nodes[studentArray->IndexOf(safe_cast<Student^>(studArray->Current))]->Nodes[safe_cast<Student^>(studArray->Current)->StudentSubjects->IndexOf(safe_cast<Subject^>(studSubjects->Current))]->Nodes->Add(gcnew TreeNode(safe_cast<TextBook^>(subTextbooks->Current)->TextBookID));
}
}
}
// Begin repainting the TreeView.
trvTest->EndUpdate();
}
// <PrintRecursive>
private:
void PrintRecursive(TreeNode^ treeNode)
{
// Print the node.
System::Diagnostics::Debug::WriteLine(treeNode->Text);
MessageBox::Show(treeNode->Text);
// Print each node recursively.
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(treeNode->Nodes))->GetEnumerator();
try
{
while (myNodes->MoveNext())
{
TreeNode^ tn = safe_cast<TreeNode^>(myNodes->Current);
PrintRecursive(tn);
}
}
finally
{
delete(myNodes);
}
}
// Call the procedure using the TreeView.
void CallRecursive(TreeView^ treeView)
{
// Print each node recursively.
TreeNodeCollection^ nodes = treeView->Nodes;
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(nodes))->GetEnumerator();
try
{
while (myNodes->MoveNext())
{
TreeNode^ n = safe_cast<TreeNode^>(myNodes->Current);
PrintRecursive(n);
}
}
finally
{
delete(myNodes);
}
}
// </PrintRecursive>
// <PrintNonRecursive>
private:
void PrintNonRecursive(TreeNode^ treeNode)
{
//Using a queue to store and process each node in the TreeView
Queue^ staging = gcnew Queue();
staging->Enqueue(treeNode);
while (staging->Count > 0)
{
treeNode = safe_cast<TreeNode^>(staging->Dequeue());
// Print the node.
System::Diagnostics::Debug::WriteLine(treeNode->Text);
MessageBox::Show(treeNode->Text);
System::Collections::IEnumerator^ children = (safe_cast<System::Collections::IEnumerable^>(treeNode->Nodes))->GetEnumerator();
try
{
while (children->MoveNext())
{
staging->Enqueue(children->Current);
}
}
finally
{
delete(children);
}
}
// Print the node.
System::Diagnostics::Debug::WriteLine(treeNode->Text);
MessageBox::Show(treeNode->Text);
// Print each node recursively.
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(treeNode->Nodes))->GetEnumerator();
try
{
while (myNodes->MoveNext())
{
TreeNode^ tn = safe_cast<TreeNode^>(myNodes->Current);
PrintRecursive(tn);
}
}
finally
{
delete(myNodes);
}
}
// Call the procedure using the TreeView.
void CallNonRecursive(TreeView^ treeView)
{
// Print each node recursively.
TreeNodeCollection^ nodes = treeView->Nodes;
System::Collections::IEnumerator^ myNodes = (safe_cast<System::Collections::IEnumerable^>(nodes))->GetEnumerator();
try
{
while (myNodes->MoveNext())
{
TreeNode^ n = safe_cast<TreeNode^>(myNodes->Current);
PrintNonRecursive(n);
}
}
finally
{
delete(myNodes);
}
}
// </PrintNonRecursive>
private:
protected:
/// <summary>
/// Clean up any resources being used.
/// </summary>
~MyForm()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::TreeView^ trvTest;
protected:
private:
/// <summary>
/// Required designer variable.
/// </summary>
System::ComponentModel::Container ^components;
#pragma region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
void InitializeComponent(void)
{
this->trvTest = (gcnew System::Windows::Forms::TreeView());
this->SuspendLayout();
//
// trvTest
//
this->trvTest->Location = System::Drawing::Point(12, 12);
this->trvTest->Name = L"trvTest";
this->trvTest->Size = System::Drawing::Size(474, 396);
this->trvTest->TabIndex = 0;
//
// MyForm
//
this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(498, 420);
this->Controls->Add(this->trvTest);
this->Name = L"MyForm";
this->Text = L"MyForm";
this->ResumeLayout(false);
}
#pragma endregion
};
}
@@ -0,0 +1,120 @@
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@@ -0,0 +1,20 @@
#pragma once
namespace project {
using namespace System;
using namespace System::Collections;
public ref class Student
{
private:
ArrayList^ _studentSubjects = gcnew ArrayList();
public:
String^ StudentName = "";
ArrayList^ StudentSubjects = _studentSubjects;
Student(String^ studentName)
{
StudentName = studentName;
}
};
};
@@ -0,0 +1,21 @@
#pragma once
namespace project {
using namespace System;
using namespace System::Collections;
public ref class Subject
{
private:
ArrayList^ _subjectTextbooks = gcnew ArrayList();
public:
String^ SubjectID = "";
ArrayList^ SubjectTextbooks = _subjectTextbooks;
Subject(String^ subjectID)
{
SubjectID = subjectID;
}
};
}
@@ -0,0 +1,16 @@
#pragma once
namespace project {
using namespace System;
using namespace System::Collections;
public ref class TextBook
{
public:
String^ TextBookID = "";
TextBook(String^ textBookID)
{
TextBookID = textBookID;
}
};
}
@@ -0,0 +1,151 @@
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
<Link>
<AdditionalDependencies />
<SubSystem>Windows</SubSystem>
<EntryPointSymbol>main</EntryPointSymbol>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
<Link>
<AdditionalDependencies />
<SubSystem>Windows</SubSystem>
<EntryPointSymbol>main</EntryPointSymbol>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
<Link>
<AdditionalDependencies />
<SubSystem>Windows</SubSystem>
<EntryPointSymbol>main</EntryPointSymbol>
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Drawing" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="MyForm.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="MyForm.h">
<FileType>CppForm</FileType>
</ClInclude>
<ClInclude Include="Student.h" />
<ClInclude Include="Subject.h" />
<ClInclude Include="TextBook.h" />
</ItemGroup>
<ItemGroup>
<EmbeddedResource Include="MyForm.resx">
<DependentUpon>MyForm.h</DependentUpon>
</EmbeddedResource>
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
@@ -0,0 +1,36 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Source Files">
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
</Filter>
<Filter Include="Header Files">
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
</Filter>
<Filter Include="Resource Files">
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="MyForm.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="MyForm.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Student.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Subject.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="TextBook.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>
@@ -0,0 +1,59 @@
namespace project
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.trvTest = new System.Windows.Forms.TreeView();
this.SuspendLayout();
//
// trvTest
//
this.trvTest.Location = new System.Drawing.Point(12, 12);
this.trvTest.Name = "trvTest";
this.trvTest.Size = new System.Drawing.Size(578, 426);
this.trvTest.TabIndex = 0;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(598, 451);
this.Controls.Add(this.trvTest);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.TreeView trvTest;
}
}
@@ -0,0 +1,158 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Windows.Forms;
namespace project
{
public partial class Form1 : Form
{
//List of all students
private ArrayList studentArray = new ArrayList();
//Windows Form application
public Form1()
{
InitializeComponent();
//Loading the TreeView with data
PopulateTreeView();
//Below method implementations will start printing node values to MessageBoxes and can be time consuming.
//An alternate way to check is adding two labels and printing the values of the total nodes in each using both the below traversal methods.
//Printing the total number of nodes recursively
//CallRecursive(trvTest);
//CallNonRecursive(trvTest);
}
// <PrintRecursive>
private void PrintRecursive(TreeNode treeNode)
{
// Print the node.
System.Diagnostics.Debug.WriteLine(treeNode.Text);
MessageBox.Show(treeNode.Text);
// Visit each node recursively.
foreach (TreeNode tn in treeNode.Nodes)
{
PrintRecursive(tn);
}
}
// Call the procedure using the TreeView.
private void CallRecursive(TreeView treeView)
{
// Print each node recursively.
foreach (TreeNode n in treeView.Nodes)
{
//recursiveTotalNodes++;
PrintRecursive(n);
}
}
// </PrintRecursive>
// <PrintNonRecursive>
private void PrintNonRecursive(TreeNode treeNode)
{
if (treeNode != null)
{
//Using a queue to store and process each node in the TreeView
Queue<TreeNode> staging = new Queue<TreeNode>();
staging.Enqueue(treeNode);
while (staging.Count > 0)
{
treeNode = staging.Dequeue();
// Print the node.
System.Diagnostics.Debug.WriteLine(treeNode.Text);
MessageBox.Show(treeNode.Text);
foreach (TreeNode node in treeNode.Nodes)
{
staging.Enqueue(node);
}
}
}
}
// Call the procedure using the TreeView.
private void CallNonRecursive(TreeView treeView)
{
// Print each node.
foreach (TreeNode n in treeView.Nodes)
{
PrintNonRecursive(n);
}
}
// </PrintNonRecursive>
private void PopulateTreeView()
{
// Add students to the ArrayList of Student objects.
for (int x = 0; x < 5; x++)
{
studentArray.Add(new Student("Student " + x.ToString()));
}
// Add subjects to each Student object in the ArrayList.
foreach (Student student in studentArray)
{
for (int y = 0; y < 10; y++)
{
student.StudentSubjects.Add(new Subject("Subject " + y.ToString()));
}
}
Random _random = new Random();
// Add subjects to each Student object in the ArrayList.
foreach (Student student in studentArray)
{
foreach (Subject subject in student.StudentSubjects)
{
var gen = _random.Next(1, 10);
for (int y = 0; y < gen; y++)
{
subject.SubjectTextbooks.Add(new TextBook("TextBook " + y.ToString()));
}
}
}
// Suppress repainting the TreeView until all the objects have been created.
trvTest.BeginUpdate();
// Clear the TreeView each time the method is called.
trvTest.Nodes.Clear();
// Add a root TreeNode for each Student object in the ArrayList.
foreach (Student student in studentArray)
{
trvTest.Nodes.Add(new TreeNode(student.StudentName));
// Add a child treenode for each Subject object in the current student object.
foreach (Subject subject in student.StudentSubjects)
{
trvTest.Nodes[studentArray.IndexOf(student)].Nodes.Add(
new TreeNode(subject.SubjectID));
// Add a child treenode for each TextBook object in the current Subject object.
foreach (TextBook textbook in subject.SubjectTextbooks)
{
trvTest.Nodes[studentArray.IndexOf(student)].Nodes[student.StudentSubjects.IndexOf(subject)].Nodes.Add(
new TreeNode(textbook.TextBookID));
}
}
}
// Begin repainting the TreeView.
trvTest.EndUpdate();
}
}
}
@@ -0,0 +1,120 @@
<?xml version="1.0" encoding="utf-8"?>
<root>
<!--
Microsoft ResX Schema
Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
various data types are done through the TypeConverter classes
associated with the data types.
Example:
... ado.net/XML headers & schema ...
<resheader name="resmimetype">text/microsoft-resx</resheader>
<resheader name="version">2.0</resheader>
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
<value>[base64 mime encoded serialized .NET Framework object]</value>
</data>
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
<comment>This is a comment</comment>
</data>
There are any number of "resheader" rows that contain simple
name/value pairs.
Each data row contains a name, and value. The row also contains a
type or mimetype. Type corresponds to a .NET class that support
text/value conversion through the TypeConverter architecture.
Classes that don't support this are serialized and stored with the
mimetype set.
The mimetype is used for serialized objects, and tells the
ResXResourceReader how to depersist the object. This is currently not
extensible. For a given mimetype the value must be set accordingly:
Note - application/x-microsoft.net.object.binary.base64 is the format
that the ResXResourceWriter will generate, however the reader can
read any of the formats listed below.
mimetype: application/x-microsoft.net.object.binary.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.soap.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.bytearray.base64
value : The object must be serialized into a byte array
: using a System.ComponentModel.TypeConverter
: and then encoded with base64 encoding.
-->
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" use="required" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
</root>
@@ -0,0 +1,22 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace project
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}
@@ -0,0 +1,19 @@
using System.Collections;
namespace project
{
// The basic Student class.
public class Student
{
protected ArrayList _studentSubjects = new ArrayList();
public Student(string studentName)
{
StudentName = studentName;
}
public string StudentName { get; set; } = "";
public ArrayList StudentSubjects => _studentSubjects;
}
}
@@ -0,0 +1,19 @@
using System.Collections;
namespace project
{
// The basic student Subject class.
public class Subject
{
protected ArrayList _subjectTextbooks = new ArrayList();
public Subject(string subjectID)
{
SubjectID = subjectID;
}
public string SubjectID { get; set; } = "";
public ArrayList SubjectTextbooks => _subjectTextbooks;
}
}
@@ -0,0 +1,13 @@
namespace project
{
public class TextBook
{
public TextBook(string textBookID)
{
TextBookID = textBookID;
}
public string TextBookID { get; set; } = "";
}
}
@@ -0,0 +1,68 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{50B5AD53-1181-46C6-91EE-0E65BADF34E1}</ProjectGuid>
<OutputType>WinExe</OutputType>
<RootNamespace>project</RootNamespace>
<AssemblyName>project</AssemblyName>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Deterministic>true</Deterministic>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup>
<GenerateResourceMSBuildArchitecture>CurrentArchitecture</GenerateResourceMSBuildArchitecture>
<GenerateResourceMSBuildRuntime>CurrentRuntime</GenerateResourceMSBuildRuntime>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Deployment" />
<Reference Include="System.Drawing" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Form1.cs">
<SubType>Form</SubType>
</Compile>
<Compile Include="Form1.Designer.cs">
<DependentUpon>Form1.cs</DependentUpon>
</Compile>
<Compile Include="Program.cs" />
<Compile Include="Student.cs" />
<Compile Include="Subject.cs" />
<Compile Include="TextBook.cs" />
<EmbeddedResource Include="Form1.resx">
<DependentUpon>Form1.cs</DependentUpon>
</EmbeddedResource>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>
@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
</startup>
</configuration>
@@ -0,0 +1,73 @@
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
Try
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
Finally
MyBase.Dispose(disposing)
End Try
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()>
Private Sub InitializeComponent()
Me.trvTest = New System.Windows.Forms.TreeView()
Me.Label1 = New System.Windows.Forms.Label()
Me.Label2 = New System.Windows.Forms.Label()
Me.SuspendLayout()
'
'trvTest
'
Me.trvTest.Location = New System.Drawing.Point(12, 28)
Me.trvTest.Name = "trvTest"
Me.trvTest.Size = New System.Drawing.Size(413, 410)
Me.trvTest.TabIndex = 0
'
'Label1
'
Me.Label1.AutoSize = True
Me.Label1.Location = New System.Drawing.Point(538, 65)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(51, 17)
Me.Label1.TabIndex = 1
Me.Label1.Text = "Label1"
'
'Label2
'
Me.Label2.AutoSize = True
Me.Label2.Location = New System.Drawing.Point(538, 104)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(51, 17)
Me.Label2.TabIndex = 2
Me.Label2.Text = "Label2"
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 16.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(800, 450)
Me.Controls.Add(Me.Label2)
Me.Controls.Add(Me.Label1)
Me.Controls.Add(Me.trvTest)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents trvTest As TreeView
Friend WithEvents Label1 As Label
Friend WithEvents Label2 As Label
End Class
@@ -0,0 +1,120 @@
<?xml version="1.0" encoding="utf-8"?>
<root>
<!--
Microsoft ResX Schema
Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
various data types are done through the TypeConverter classes
associated with the data types.
Example:
... ado.net/XML headers & schema ...
<resheader name="resmimetype">text/microsoft-resx</resheader>
<resheader name="version">2.0</resheader>
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
<value>[base64 mime encoded serialized .NET Framework object]</value>
</data>
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
<comment>This is a comment</comment>
</data>
There are any number of "resheader" rows that contain simple
name/value pairs.
Each data row contains a name, and value. The row also contains a
type or mimetype. Type corresponds to a .NET class that support
text/value conversion through the TypeConverter architecture.
Classes that don't support this are serialized and stored with the
mimetype set.
The mimetype is used for serialized objects, and tells the
ResXResourceReader how to depersist the object. This is currently not
extensible. For a given mimetype the value must be set accordingly:
Note - application/x-microsoft.net.object.binary.base64 is the format
that the ResXResourceWriter will generate, however the reader can
read any of the formats listed below.
mimetype: application/x-microsoft.net.object.binary.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.soap.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.bytearray.base64
value : The object must be serialized into a byte array
: using a System.ComponentModel.TypeConverter
: and then encoded with base64 encoding.
-->
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" use="required" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
</root>
@@ -0,0 +1,111 @@
Imports project.project
Public Class Form1
Private studentArray As ArrayList = New ArrayList()
Public Sub New()
' This call is required by the designer.
InitializeComponent()
' Add any initialization after the InitializeComponent() call.
'Loading the TreeView with data
PopulateTreeView()
'Below method implementations will start printing node values to MessageBoxes and can be time consuming.
'An alternate way to check is adding two labels and printing the values of the total nodes in each using both the below traversal methods.
'Print all the nodes recursively
'CallRecursive(trvTest)
'CallNonRecursive(trvTest)
End Sub
'<PrintRecursive>
Private Sub PrintRecursive(n As TreeNode)
System.Diagnostics.Debug.WriteLine(n.Text)
MessageBox.Show(n.Text)
Dim aNode As TreeNode
For Each aNode In n.Nodes
PrintRecursive(aNode)
Next
End Sub
' Call the procedure using the top nodes of the treeview.
Private Sub CallRecursive(aTreeView As TreeView)
Dim n As TreeNode
For Each n In aTreeView.Nodes
PrintRecursive(n)
Next
End Sub
'</PrintRecursive>
'<PrintNonRecursive>
Private Sub PrintNonrecursive(n As TreeNode)
If n IsNot Nothing Then
Dim staging As Queue(Of TreeNode) = New Queue(Of TreeNode)
staging.Enqueue(n)
While staging.Count > 0
n = staging.Dequeue()
'Print the node.
System.Diagnostics.Debug.WriteLine(n.Text)
MessageBox.Show(n.Text)
Dim node As TreeNode
For Each node In n.Nodes
staging.Enqueue(node)
Next
End While
End If
End Sub
Private Sub CallNonRecursive(aTreeView As TreeView)
Dim n As TreeNode
For Each n In aTreeView.Nodes
PrintNonrecursive(n)
Next
End Sub
'</PrintNonRecursive>
Private Sub PopulateTreeView()
For x As Integer = 0 To 4
studentArray.Add(New Student("Student " & x.ToString()))
Next
For Each student As Student In studentArray
For y As Integer = 0 To 9
student.StudentSubjects.Add(New Subject("Subject " & y.ToString()))
Next
Next
Dim _random As Random = New Random()
For Each student As Student In studentArray
For Each subject As Subject In student.StudentSubjects
Dim gen = _random.[Next](1, 10)
For y As Integer = 0 To gen - 1
subject.SubjectTextbooks.Add(New TextBook("TextBook " & y.ToString()))
Next
Next
Next
trvTest.BeginUpdate()
trvTest.Nodes.Clear()
For Each student As Student In studentArray
trvTest.Nodes.Add(New TreeNode(student.StudentName))
For Each subject As Subject In student.StudentSubjects
trvTest.Nodes(studentArray.IndexOf(student)).Nodes.Add(New TreeNode(subject.SubjectID))
For Each textbook As TextBook In subject.SubjectTextbooks
trvTest.Nodes(studentArray.IndexOf(student)).Nodes(student.StudentSubjects.IndexOf(subject)).Nodes.Add(New TreeNode(textbook.TextBookID))
Next
Next
Next
trvTest.EndUpdate()
End Sub
End Class
@@ -0,0 +1,38 @@
'------------------------------------------------------------------------------
' <auto-generated>
' This code was generated by a tool.
' Runtime Version:4.0.30319.42000
'
' Changes to this file may cause incorrect behavior and will be lost if
' the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
Option Strict On
Option Explicit On
Namespace My
'NOTE: This file is auto-generated; do not modify it directly. To make changes,
' or if you encounter build errors in this file, go to the Project Designer
' (go to Project Properties or double-click the My Project node in
' Solution Explorer), and make changes on the Application tab.
'
Partial Friend Class MyApplication
<Global.System.Diagnostics.DebuggerStepThroughAttribute()> _
Public Sub New()
MyBase.New(Global.Microsoft.VisualBasic.ApplicationServices.AuthenticationMode.Windows)
Me.IsSingleInstance = false
Me.EnableVisualStyles = true
Me.SaveMySettingsOnExit = true
Me.ShutDownStyle = Global.Microsoft.VisualBasic.ApplicationServices.ShutdownMode.AfterMainFormCloses
End Sub
<Global.System.Diagnostics.DebuggerStepThroughAttribute()> _
Protected Overrides Sub OnCreateMainForm()
Me.MainForm = Global.project.Form1
End Sub
End Class
End Namespace
@@ -0,0 +1,11 @@
<?xml version="1.0" encoding="utf-8"?>
<MyApplicationData xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<MySubMain>true</MySubMain>
<MainForm>Form1</MainForm>
<SingleInstance>false</SingleInstance>
<ShutdownMode>0</ShutdownMode>
<EnableVisualStyles>true</EnableVisualStyles>
<AuthenticationMode>0</AuthenticationMode>
<ApplicationType>0</ApplicationType>
<SaveMySettingsOnExit>true</SaveMySettingsOnExit>
</MyApplicationData>
@@ -0,0 +1,35 @@
Imports System
Imports System.Reflection
Imports System.Runtime.InteropServices
' General Information about an assembly is controlled through the following
' set of attributes. Change these attribute values to modify the information
' associated with an assembly.
' Review the values of the assembly attributes
<Assembly: AssemblyTitle("project")>
<Assembly: AssemblyDescription("")>
<Assembly: AssemblyCompany("")>
<Assembly: AssemblyProduct("project")>
<Assembly: AssemblyCopyright("Copyright © 2021")>
<Assembly: AssemblyTrademark("")>
<Assembly: ComVisible(False)>
'The following GUID is for the ID of the typelib if this project is exposed to COM
<Assembly: Guid("39e4cebe-c608-4771-bef2-d60369ba682f")>
' Version information for an assembly consists of the following four values:
'
' Major Version
' Minor Version
' Build Number
' Revision
'
' You can specify all the values or you can default the Build and Revision Numbers
' by using the '*' as shown below:
' <Assembly: AssemblyVersion("1.0.*")>
<Assembly: AssemblyVersion("1.0.0.0")>
<Assembly: AssemblyFileVersion("1.0.0.0")>
@@ -0,0 +1,62 @@
'------------------------------------------------------------------------------
' <auto-generated>
' This code was generated by a tool.
' Runtime Version:4.0.30319.42000
'
' Changes to this file may cause incorrect behavior and will be lost if
' the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
Option Strict On
Option Explicit On
Namespace My.Resources
'This class was auto-generated by the StronglyTypedResourceBuilder
'class via a tool like ResGen or Visual Studio.
'To add or remove a member, edit your .ResX file then rerun ResGen
'with the /str option, or rebuild your VS project.
'''<summary>
''' A strongly-typed resource class, for looking up localized strings, etc.
'''</summary>
<Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0"), _
Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _
Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
Global.Microsoft.VisualBasic.HideModuleNameAttribute()> _
Friend Module Resources
Private resourceMan As Global.System.Resources.ResourceManager
Private resourceCulture As Global.System.Globalization.CultureInfo
'''<summary>
''' Returns the cached ResourceManager instance used by this class.
'''</summary>
<Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager
Get
If Object.ReferenceEquals(resourceMan, Nothing) Then
Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("project.Resources", GetType(Resources).Assembly)
resourceMan = temp
End If
Return resourceMan
End Get
End Property
'''<summary>
''' Overrides the current thread's CurrentUICulture property for all
''' resource lookups using this strongly typed resource class.
'''</summary>
<Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Friend Property Culture() As Global.System.Globalization.CultureInfo
Get
Return resourceCulture
End Get
Set(ByVal value As Global.System.Globalization.CultureInfo)
resourceCulture = value
End Set
End Property
End Module
End Namespace
@@ -0,0 +1,117 @@
<?xml version="1.0" encoding="utf-8"?>
<root>
<!--
Microsoft ResX Schema
Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
various data types are done through the TypeConverter classes
associated with the data types.
Example:
... ado.net/XML headers & schema ...
<resheader name="resmimetype">text/microsoft-resx</resheader>
<resheader name="version">2.0</resheader>
<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
<value>[base64 mime encoded serialized .NET Framework object]</value>
</data>
<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
<comment>This is a comment</comment>
</data>
There are any number of "resheader" rows that contain simple
name/value pairs.
Each data row contains a name, and value. The row also contains a
type or mimetype. Type corresponds to a .NET class that support
text/value conversion through the TypeConverter architecture.
Classes that don't support this are serialized and stored with the
mimetype set.
The mimetype is used for serialized objects, and tells the
ResXResourceReader how to depersist the object. This is currently not
extensible. For a given mimetype the value must be set accordingly:
Note - application/x-microsoft.net.object.binary.base64 is the format
that the ResXResourceWriter will generate, however the reader can
read any of the formats listed below.
mimetype: application/x-microsoft.net.object.binary.base64
value : The object must be serialized with
: System.Serialization.Formatters.Binary.BinaryFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.soap.base64
value : The object must be serialized with
: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
: and then encoded with base64 encoding.
mimetype: application/x-microsoft.net.object.bytearray.base64
value : The object must be serialized into a byte array
: using a System.ComponentModel.TypeConverter
: and then encoded with base64 encoding.
-->
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
</root>
@@ -0,0 +1,73 @@
'------------------------------------------------------------------------------
' <auto-generated>
' This code was generated by a tool.
' Runtime Version:4.0.30319.42000
'
' Changes to this file may cause incorrect behavior and will be lost if
' the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
Option Strict On
Option Explicit On
Namespace My
<Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0"), _
Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Partial Friend NotInheritable Class MySettings
Inherits Global.System.Configuration.ApplicationSettingsBase
Private Shared defaultInstance As MySettings = CType(Global.System.Configuration.ApplicationSettingsBase.Synchronized(New MySettings), MySettings)
#Region "My.Settings Auto-Save Functionality"
#If _MyType = "WindowsForms" Then
Private Shared addedHandler As Boolean
Private Shared addedHandlerLockObject As New Object
<Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Private Shared Sub AutoSaveSettings(ByVal sender As Global.System.Object, ByVal e As Global.System.EventArgs)
If My.Application.SaveMySettingsOnExit Then
My.Settings.Save()
End If
End Sub
#End If
#End Region
Public Shared ReadOnly Property [Default]() As MySettings
Get
#If _MyType = "WindowsForms" Then
If Not addedHandler Then
SyncLock addedHandlerLockObject
If Not addedHandler Then
AddHandler My.Application.Shutdown, AddressOf AutoSaveSettings
addedHandler = True
End If
End SyncLock
End If
#End If
Return defaultInstance
End Get
End Property
End Class
End Namespace
Namespace My
<Global.Microsoft.VisualBasic.HideModuleNameAttribute(), _
Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _
Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute()> _
Friend Module MySettingsProperty
<Global.System.ComponentModel.Design.HelpKeywordAttribute("My.Settings")> _
Friend ReadOnly Property Settings() As Global.project.My.MySettings
Get
Return Global.project.My.MySettings.Default
End Get
End Property
End Module
End Namespace
@@ -0,0 +1,7 @@
<?xml version='1.0' encoding='utf-8'?>
<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" UseMySettingsClassName="true">
<Profiles>
<Profile Name="(Default)" />
</Profiles>
<Settings />
</SettingsFile>
@@ -0,0 +1,17 @@
Namespace project
Public Class Student
Protected _studentSubjects As ArrayList = New ArrayList()
Public Sub New(studentName As String)
Me.StudentName = studentName
End Sub
Public Property StudentName As String = ""
Public ReadOnly Property StudentSubjects As ArrayList
Get
Return _studentSubjects
End Get
End Property
End Class
End Namespace
@@ -0,0 +1,17 @@
Namespace project
Public Class Subject
Protected _subjectTextbooks As ArrayList = New ArrayList()
Public Sub New(ByVal subjectID As String)
Me.SubjectID = subjectID
End Sub
Public Property SubjectID As String = ""
Public ReadOnly Property SubjectTextbooks As ArrayList
Get
Return _subjectTextbooks
End Get
End Property
End Class
End Namespace
@@ -0,0 +1,9 @@
Namespace project
Public Class TextBook
Public Sub New(textBookID As String)
Me.TextBookID = textBookID
End Sub
Public Property TextBookID As String = ""
End Class
End Namespace
@@ -0,0 +1,130 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{294C4A08-390D-4D86-9D54-0A22DC730AB3}</ProjectGuid>
<OutputType>WinExe</OutputType>
<StartupObject>project.My.MyApplication</StartupObject>
<RootNamespace>project</RootNamespace>
<AssemblyName>project</AssemblyName>
<FileAlignment>512</FileAlignment>
<MyType>WindowsForms</MyType>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Deterministic>true</Deterministic>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<DefineDebug>true</DefineDebug>
<DefineTrace>true</DefineTrace>
<OutputPath>bin\Debug\</OutputPath>
<DocumentationFile>project.xml</DocumentationFile>
<NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugType>pdbonly</DebugType>
<DefineDebug>false</DefineDebug>
<DefineTrace>true</DefineTrace>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DocumentationFile>project.xml</DocumentationFile>
<NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
</PropertyGroup>
<PropertyGroup>
<GenerateResourceMSBuildArchitecture>CurrentArchitecture</GenerateResourceMSBuildArchitecture>
<GenerateResourceMSBuildRuntime>CurrentRuntime</GenerateResourceMSBuildRuntime>
</PropertyGroup>
<PropertyGroup>
<OptionExplicit>On</OptionExplicit>
</PropertyGroup>
<PropertyGroup>
<OptionCompare>Binary</OptionCompare>
</PropertyGroup>
<PropertyGroup>
<OptionStrict>Off</OptionStrict>
</PropertyGroup>
<PropertyGroup>
<OptionInfer>On</OptionInfer>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Deployment" />
<Reference Include="System.Drawing" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xml" />
<Reference Include="System.Core" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="System.Net.Http" />
</ItemGroup>
<ItemGroup>
<Import Include="Microsoft.VisualBasic" />
<Import Include="System" />
<Import Include="System.Collections" />
<Import Include="System.Collections.Generic" />
<Import Include="System.Data" />
<Import Include="System.Drawing" />
<Import Include="System.Diagnostics" />
<Import Include="System.Windows.Forms" />
<Import Include="System.Linq" />
<Import Include="System.Xml.Linq" />
<Import Include="System.Threading.Tasks" />
</ItemGroup>
<ItemGroup>
<Compile Include="Form1.vb">
<SubType>Form</SubType>
</Compile>
<Compile Include="Form1.Designer.vb">
<DependentUpon>Form1.vb</DependentUpon>
<SubType>Form</SubType>
</Compile>
<Compile Include="My Project\AssemblyInfo.vb" />
<Compile Include="My Project\Application.Designer.vb">
<AutoGen>True</AutoGen>
<DependentUpon>Application.myapp</DependentUpon>
</Compile>
<Compile Include="My Project\Resources.Designer.vb">
<AutoGen>True</AutoGen>
<DesignTime>True</DesignTime>
<DependentUpon>Resources.resx</DependentUpon>
</Compile>
<Compile Include="My Project\Settings.Designer.vb">
<AutoGen>True</AutoGen>
<DependentUpon>Settings.settings</DependentUpon>
<DesignTimeSharedInput>True</DesignTimeSharedInput>
</Compile>
<Compile Include="Student.vb" />
<Compile Include="Subject.vb" />
<Compile Include="TextBook.vb" />
</ItemGroup>
<ItemGroup>
<EmbeddedResource Include="Form1.resx">
<DependentUpon>Form1.vb</DependentUpon>
</EmbeddedResource>
<EmbeddedResource Include="My Project\Resources.resx">
<Generator>VbMyResourcesResXFileCodeGenerator</Generator>
<LastGenOutput>Resources.Designer.vb</LastGenOutput>
<CustomToolNamespace>My.Resources</CustomToolNamespace>
<SubType>Designer</SubType>
</EmbeddedResource>
</ItemGroup>
<ItemGroup>
<None Include="My Project\Application.myapp">
<Generator>MyApplicationCodeGenerator</Generator>
<LastGenOutput>Application.Designer.vb</LastGenOutput>
</None>
<None Include="My Project\Settings.settings">
<Generator>SettingsSingleFileGenerator</Generator>
<CustomToolNamespace>My</CustomToolNamespace>
<LastGenOutput>Settings.Designer.vb</LastGenOutput>
</None>
<None Include="App.config" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
</Project>