Content update - Dependency properties overview (user story 1878471) (#1160)

* Update article and code projects * Further edits * Fix links * Relocate article & snippets to wpf/properties folder * add toc and redirects * Add acrolinx comment and make a minor edit. * minor Co-authored-by: Andy De George (adegeo) <[email protected]>
2026-09-08 16:06:07 +02:00 · 2021-09-27 13:53:44 -07:00
parent bdd178c010
commit 57b6ca1593
22 changed files with 851 additions and 0 deletions
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+<Application x:Class="Application"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:CodeSampleVb"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
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+Class Application
+
+    ' Application-level events, such as Startup, Exit, and DispatcherUnhandledException
+    ' can be handled in this file.
+
+End Class
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+Imports System.Windows
+
+'The ThemeInfo attribute describes where any theme specific and generic resource dictionaries can be found.
+'1st parameter: where theme specific resource dictionaries are located
+'(used if a resource is not found in the page,
+' or application resource dictionaries)
+
+'2nd parameter: where the generic resource dictionary is located
+'(used if a resource is not found in the page,
+'app, and any theme specific resource dictionaries)
+<Assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)>
@@ -0,0 +1,36 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0-windows</TargetFramework>
+    <RootNamespace>CodeSampleVb</RootNamespace>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="stripes.jpg" />
+    <None Remove="test.xml" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="stripes.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="test.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Import Include="System.Windows" />
+    <Import Include="System.Windows.Controls" />
+    <Import Include="System.Windows.Data" />
+    <Import Include="System.Windows.Documents" />
+    <Import Include="System.Windows.Input" />
+    <Import Include="System.Windows.Media" />
+    <Import Include="System.Windows.Media.Imaging" />
+    <Import Include="System.Windows.Navigation" />
+    <Import Include="System.Windows.Shapes" />
+  </ItemGroup>
+
+</Project>
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+<Window x:Class="CodeSampleVb.MainWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Title="Dependency Properties" Height="220" Width="300">
+    <Window.Resources>
+        <XmlDataProvider x:Key="TestData" Source="test.xml" XPath="tests"/>
+
+        <!--<SimpleStyleDefinition>-->
+        <Style x:Key="GreenButtonStyle">
+            <Setter Property="Control.Background" Value="Green"/>
+        </Style>
+        <!--</SimpleStyleDefinition>-->
+
+    </Window.Resources>
+    <StackPanel>
+
+        <!--<Resource>-->
+        <StackPanel.Resources>
+            <SolidColorBrush x:Key="MyBrush" Color="Gold"/>
+        </StackPanel.Resources>
+        <!--</Resource>-->
+
+        <!--<BasicPropertySyntax>-->
+        <Button Content="I am red" Background="Red"/>
+        <!--</BasicPropertySyntax>-->
+
+        <!--<PropertyElementSyntax>-->
+        <Button Content="I have an image background">
+            <Button.Background>
+                <ImageBrush ImageSource="stripes.jpg"/>
+            </Button.Background>
+        </Button>
+        <!--</PropertyElementSyntax>-->
+
+        <!--<ResourceReference>-->
+        <Button Background="{DynamicResource MyBrush}" Content="I am gold" />
+        <!--</ResourceReference>-->
+
+        <!--<BasicInlineBinding>-->
+        <Button Content="{Binding Source={StaticResource TestData}, XPath=test[1]/@text}"/>
+        <!--</BasicInlineBinding>-->
+
+        <!--<SimpleStyle>-->
+        <Button Style="{StaticResource GreenButtonStyle}" Content="I am green"/>
+        <!--</SimpleStyle>-->
+
+        <!--<Animate>-->
+        <Button Content="I am animated">
+            <Button.Background>
+                <SolidColorBrush x:Name="AnimBrush"/>
+            </Button.Background>
+            <Button.Triggers>
+                <EventTrigger RoutedEvent="FrameworkElement.Loaded">
+                    <BeginStoryboard>
+                        <Storyboard>
+                            <ColorAnimation
+                                Storyboard.TargetName="AnimBrush" 
+                                Storyboard.TargetProperty="(SolidColorBrush.Color)"
+                                From="Blue" To="White" Duration="0:0:1" 
+                                AutoReverse="True" RepeatBehavior="Forever" />
+                        </Storyboard>
+                    </BeginStoryboard>
+                </EventTrigger>
+            </Button.Triggers>
+        </Button>
+        <!--</Animate>-->
+
+        <!--<InheritanceBindingContext>-->
+        <StackPanel Canvas.Top="50" DataContext="{Binding Source={StaticResource TestData}}">
+            <Button Content="{Binding XPath=test[2]/@text}"/>
+        </StackPanel>
+        <!--</InheritanceBindingContext>-->
+
+        <!--<PropertyValuePrecedence>-->
+        <StackPanel>
+            <StackPanel.Resources>
+                <Style x:Key="{x:Type Button}" TargetType="{x:Type Button}">
+                    <Setter Property="Background" Value="Orange"/>
+                </Style>
+            </StackPanel.Resources>
+            <Button>I am styled orange</Button>
+            <Button Background="Pink">I am locally set to pink (not styled orange)</Button>
+        </StackPanel>
+        <!--</PropertyValuePrecedence>-->
+
+    </StackPanel>
+</Window>
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+Namespace CodeSampleVb
+    Partial Public Class MainWindow
+        Inherits Window
+
+        Public Sub New()
+            InitializeComponent()
+
+            ' <ProceduralPropertySet>
+            Dim myButton As New Button With {
+                .Width = 200.0
+            }
+            ' </ProceduralPropertySet>
+
+            ' <ProceduralPropertyGet>
+            Dim whatWidth As Double = myButton.Width
+            ' </ProceduralPropertyGet>
+
+        End Sub
+
+        ' <DefineDependencyProperty>
+        Public Shared ReadOnly IsSpinningProperty As DependencyProperty =
+            DependencyProperty.Register("IsSpinning", GetType(Boolean), GetType(MainWindow))
+
+        Public Property IsSpinning As Boolean
+            Get
+                Return GetValue(IsSpinningProperty)
+            End Get
+            Set(value As Boolean)
+                SetValue(IsSpinningProperty, value)
+            End Set
+        End Property
+        ' </DefineDependencyProperty>
+
+    End Class
+
+    ' <OverrideMetadata>
+    Public Class SpinnerControl
+        Inherits ItemsControl
+        Shared Sub New()
+            DefaultStyleKeyProperty.OverrideMetadata(GetType(SpinnerControl), New FrameworkPropertyMetadata(GetType(SpinnerControl)))
+        End Sub
+    End Class
+    ' </OverrideMetadata>
+
+End Namespace
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+<tests>
+    <test text="I have data binding content"/>
+    <test text="I have inherited data binding content"/>
+</tests>