8000 Add Resource Dictionary Tests (#10753) · dotnet/wpf@cac41ae · GitHub
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Add Re 8000 source Dictionary Tests (#10753)
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‎src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationFramework.Tests/GlobalUsings.cs

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global using System.Collections.Generic;
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global using System.Globalization;
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#pragma warning disable IDE0005 // Using directive is unnecessary.
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global using FluentAssertions;
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#pragma warning restore IDE0005 // Using directive is unnecessary.

‎src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationFramework.Tests/PresentationFramework.Tests.csproj

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<NoWarn>$(NoWarn)</NoWarn>
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<GenerateDocumentationFile>true</GenerateDocumentationFile>
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<TargetFramework Condition="!$(TargetFramework.Contains('windows'))">$(TargetFramework)-windows</TargetFramework>
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<ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
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<GenerateProgramFile>true</GenerateProgramFile>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="$(WpfSourceDir)WindowsBase\WindowsBase.csproj" />
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<ProjectReference Include="$(WpfSourceDir)System.Xaml\System.Xaml.csproj" />
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<ProjectReference Include="$(WpfSourceDir)Extensions\PresentationFramework-SystemDrawing\PresentationFramework-SystemDrawing.csproj" />
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<ProjectReference Include="$(WpfSourceDir)UIAutomation\UIAutomationTypes\UIAutomationTypes.csproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="System.Runtime.Serialization.Formatters" Version="$(SystemRuntimeSerializationFormattersPackageVersion)" />
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<PackageReference Include="$(SystemDrawingCommonPackage)" Version="$(SystemDrawingCommonVersion)" />
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<PackageReference Include="System.Private.Windows.Core.TestUtilities" Version="$(SystemPrivateWindowsCoreTestUtilitiesVersion)" />
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<PackageReference Include="System.Windows.Extensions" Version="$(SystemWindowsExtensionsPackageVersion)" />
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</ItemGroup>
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<ItemGroup>
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<None Remove="System\Windows\Resources\SampleResourceDictionary.xaml" />
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</ItemGroup>
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<ItemGroup>
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<Page Include="System\Windows\Resources\SampleResourceDictionary.xaml" Generator="MSBuild:Compile" CopyToOutputDirectory="Always" />
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</ItemGroup>
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</Project>

‎src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationFramework.Tests/System/Windows/ResourceDictionaryTests.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using System.Linq;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Threading;
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namespace System.Windows;
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public class ResourceDictionaryTests
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{
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private readonly ResourceDictionary _dictionary;
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private string SampleDictionaryPath => "/PresentationFramework.Tests;component/System/Windows/Resources/SampleResourceDictionary.xaml";
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public ResourceDictionaryTests()
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{
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_dictionary = (ResourceDictionary)Application.LoadComponent(new Uri(SampleDictionaryPath, UriKind.Relative));
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}
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[Fact]
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public void Dictionary_ShouldContainStaticResource()
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{
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_dictionary.Contains("StaticBrush").Should().BeTrue();
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_dictionary["StaticBrush"].Should().BeOfType<SolidColorBrush>();
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}
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[Fact]
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public void Dictionary_ShouldContainDynamicResource()
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{
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_dictionary.Contains("DynamicBrush").Should().BeTrue();
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_dictionary["DynamicBrush"].Should().BeAssignableTo<Brush>();
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}
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[Fact]
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public void Dictionary_ShouldContainGradientBrush()
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{
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_dictionary.Contains("GradientBackground").Should().BeTrue();
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_dictionary["GradientBackground"].Should().BeOfType<LinearGradientBrush>();
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}
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[Fact]
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public void Dictionary_ShouldContainStyleForButton()
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{
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_dictionary.Contains("PrimaryButtonStyle").Should().BeTrue();
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var style = _dictionary["PrimaryButtonStyle"] as Style;
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style.Should().NotBeNull();
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style!.TargetType.Should().Be(typeof(Button));
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style.Setters.Should().NotBeEmpty();
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}
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[Fact]
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public void Dictionary_StyleShouldContainTrigger()
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{
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var style = _dictionary["PrimaryButtonStyle"] as Style;
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style.Should().NotBeNull();
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#pragma warning disable IDE0002 // Name should be simplified
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style!.Triggers.Should().NotBeNull();
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style.Triggers.OfType<Trigger>().Should().ContainSingle(t =>
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t.Property == Button.IsMouseOverProperty &&
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t.Value.Equals(true));
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#pragma warning restore IDE0002 // Name should be simplified
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}
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[Fact]
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public void Dictionary_ShouldContainDataTemplate()
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{
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_dictionary.Contains("ItemTemplate").Should().BeTrue();
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_dictionary["ItemTemplate"].Should().BeOfType<DataTemplate>();
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}
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[Fact]
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public void Dictionary_ShouldContainControlTemplate()
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{
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_dictionary.Contains("CustomControlTemplate").Should().BeTrue();
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_dictionary["CustomControlTemplate"].Should().BeOfType<ControlTemplate>();
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}
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[Fact]
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public void Dictionary_ShouldContainStyleWithBasedOn()
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{
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var baseStyle = _dictionary["BaseTextBlockStyle"] as Style;
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var derivedStyle = _dictionary["DerivedTextBlockStyle"] as Style;
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baseStyle.Should().NotBeNull();
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derivedStyle.Should().NotBeNull();
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derivedStyle!.BasedOn.Should().Be(baseStyle);
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}
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[Fact]
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public void Dictionary_StyleShouldHaveMultiTrigger()
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{
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var style = _dictionary["MultiTriggerStyle"] as Style;
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style.Should().NotBeNull();
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style!.Triggers.OfType<MultiTrigger>().Should().Contain(mt =>
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mt.Conditions.Count == 2);
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}
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[WpfFact]
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public void DynamicResource_ShouldResolve_FromLocalResourceDictionary()
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{
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var key = "DynamicBrush";
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var brush = new SolidColorBrush(Colors.Green);
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var textBlock = new TextBlock();
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textBlock.Resources[key] = brush;
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textBlock.SetResourceReference(TextBlock.ForegroundProperty, key);
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textBlock.Foreground.Should().BeSameAs(brush);
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}
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[WpfFact]
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public void DynamicResource_ShouldUpdate_WhenLocalResourceChanges()
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{
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var key = "DynamicBrush";
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var initialBrush = new SolidColorBrush(Colors.Green);
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var updatedBrush = new SolidColorBrush(Colors.Red);
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var textBlock = new TextBlock();
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textBlock.Resources[key] = initialBrush;
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textBlock.SetResourceReference(TextBlock.ForegroundProperty, key);
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textBlock.Foreground.Should().BeSameAs(initialBrush);
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// Update local resource
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textBlock.Resources[key] = updatedBrush;
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// Force UI changes
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textBlock.Dispatcher.Invoke(() => { }, DispatcherPriority.Background);
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textBlock.Foreground.Should().BeSameAs(updatedBrush);
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}
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[WpfFact]
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public void DynamicResource_ShouldRemainLastValue_WhenLocalResourceRemoved()
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{
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var key = "DynamicBrush";
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var initialBrush = new SolidColorBrush(Colors.Green);
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var textBlock = new TextBlock();
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textBlock.SetResourceReference(TextBlock.ForegroundProperty, key);
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textBlock.Resources[key] = initialBrush;
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textBlock.Foreground.Should().BeSameAs(initialBrush);
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// Remove the key from resources
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textBlock.Resources.Remove(key);
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// Force UI Changes
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textBlock.Dispatcher.Invoke(() => { }, DispatcherPriority.Background);
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// The default foreground color of textBlock (as in aero2)
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textBlock.Foreground.Should().BeSameAs(Brushes.Black);
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}
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}

‎src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationFramework.Tests/System/Windows/Resources/SampleResourceDictionary.xaml

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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:sys="clr-namespace:System;assembly=mscorlib">
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<SolidColorBrush x:Key="StaticBrush" Color="Blue"/>
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<SolidColorBrush x:Key="DynamicBrush" Color="Red"/>
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<LinearGradientBrush x:Key="GradientBackground" StartPoint="0,0" EndPoint="1,1">
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<GradientStop Color="LightBlue" Offset="0"/>
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<GradientStop Color="DarkBlue" Offset="1"/>
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</LinearGradientBrush>
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<Style x:Key="BaseTextBlockStyle" TargetType="TextBlock">
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<Setter Property="FontSize" Value="14"/>
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<Setter Property="Foreground" Value="Gray"/>
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</Style>
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<Style x:Key="DerivedTextBlockStyle" TargetType="TextBlock" BasedOn="{StaticResource BaseTextBlockStyle}">
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<Setter Property="FontWeight" Value="Bold"/>
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</Style>
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<Style x:Key="PrimaryButtonStyle" TargetType="Button">
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<Setter Property="Background" Value="{StaticResource StaticBrush}"/>
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<Setter Property="Foreground" Value="White"/>
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<Style.Triggers>
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<Trigger Property="IsMouseOver" Value="True">
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<Setter Property="Background" Value="DarkBlue"/>
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</Trigger>
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</Style.Triggers>
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</Style>
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<Style x:Key="MultiTriggerStyle" TargetType="ToggleButton">
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<Setter Property="Background" Value="LightGray"/>
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<Style.Triggers>
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<MultiTrigger>
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<MultiTrigger.Conditions>
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<Condition Property="IsMouseOver" Value="True"/>
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<Condition Property="IsChecked" Value="True"/>
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</MultiTrigger.Conditions>
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<Setter Property="Background" Value="Green"/>
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</MultiTrigger>
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</Style.Triggers>
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</Style>
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<Style x:Key="DataTriggerStyle" TargetType="TextBox">
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<Setter Property="Background" Value="White"/>
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<Style.Triggers>
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<DataTrigger Binding="{Binding IsReadOnly}" Value="True">
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<Setter Property="Background" Value="LightGray"/>
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</DataTrigger>
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</Style.Triggers>
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</Style>
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<ControlTemplate x:Key="CustomControlTemplate" TargetType="Button">
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<Border x:Name="Root" Background="{TemplateBinding Background}" BorderBrush="Black" BorderThickness="1">
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<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
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</Border>
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<ControlTemplate.Triggers>
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<Trigger Property="IsPressed" Value="True">
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<Setter TargetName="Root" Property="Background" Value="Gray"/>
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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<DataTemplate x:Key="ItemTemplate">
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<TextBlock Text="{Binding Name}" Style="{StaticResource DerivedTextBlockStyle}"/>
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</DataTemplate>
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</ResourceDictionary>

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