Initial winforms content migrated (#18)

* Merge winforms framework content to working branch (#14) * Breadcrumb / TOC / Move net5 to net folder (#15) * change path from net5 to net * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Mess with bread/toc * Add .net 5 winforms placeholder article (#16) * added some metadata and adjusted net5 placeholder * corrections * corrections * corrections * Test1 * Swapping landing page vs concept * fix links * Fix links * Fix desc
2026-09-07 07:56:07 +02:00 · 2020-09-01 16:26:21 -07:00
parent 1a27c9b107
commit c0ba284473
1557 changed files with 129980 additions and 13 deletions
@@ -0,0 +1,55 @@
+Imports System.Drawing
+Imports System.IO
+Imports System.Security
+Imports System.Windows.Forms
+
+Public Class OpenFileDialogForm : Inherits Form
+
+    Public Shared Sub Main()
+        Application.SetCompatibleTextRenderingDefault(False)
+        Application.EnableVisualStyles()
+        Dim frm As New OpenFileDialogForm()
+        Application.Run(frm)
+    End Sub
+
+    Dim WithEvents SelectButton As Button
+    Dim openFileDialog1 As OpenFileDialog
+    Dim TextBox1 As TextBox
+
+    Private Sub New()
+        ClientSize = New Size(400, 400)
+        openFileDialog1 = New OpenFileDialog()
+        SelectButton = New Button()
+        With SelectButton
+            .Text = "Select file"
+            .Location = New Point(15, 15)
+            .Size = New Size(100, 25)
+        End With
+        TextBox1 = New TextBox()
+        With TextBox1
+            .Size = New Size(300, 300)
+            .Location = New Point(15, 50)
+            .Multiline = True
+            .ScrollBars = ScrollBars.Vertical
+        End With
+        Controls.Add(SelectButton)
+        Controls.Add(TextBox1)
+    End Sub
+
+    Private Sub SetText(text)
+        TextBox1.Text = text
+    End Sub
+
+    Public Sub SelectButton_Click(sender As Object, e As EventArgs) _
+              Handles SelectButton.Click
+        If openFileDialog1.ShowDialog() = DialogResult.OK Then
+            Try
+                Dim sr As New StreamReader(openFileDialog1.FileName)
+                SetText(sr.ReadToEnd())
+            Catch SecEx As SecurityException
+                MessageBox.Show($"Security error:{vbCrLf}{vbCrLf}{SecEx.Message}{vbCrLf}{vbCrLf}" &
+                $"Details:{vbCrLf}{vbCrLf}{SecEx.StackTrace}")
+            End Try
+        End If
+    End Sub
+End Class