模板之给按钮换皮肤

<Window x:Class="ControlTemplates.GradientButtonTest"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="GradientButtonTest" Height="280" Width="322"
    >
  <Window.Resources>
    <ResourceDictionary>
      <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="Resources/GradientButton.xaml"></ResourceDictionary>
      </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
  </Window.Resources>
  <StackPanel>
    <Button Margin="10" Padding="5" Click="Clicked" Name="cmdOne"
            Background="AliceBlue"
              >A Simple Button with a Custom Template</Button>
    <Button Margin="10" Padding="5" Click="Clicked" Name="cmdTwo"
              >Another Button with a Custom Template</Button>
    <Button Margin="10" Padding="5" Click="Clicked" Name="cmdThree"
              >A _Third Button with a Custom Template</Button>
    <Button Margin="10" Padding="5" IsEnabled="False" Click="Clicked" Name="cmdFour"
              >A Disabled Button</Button>
    <CheckBox Margin="10" Checked="chkGreen_Checked" Unchecked="chkGreen_Unchecked">Use Alternate Theme</CheckBox>
  </StackPanel>
</Window>

private void chkGreen_Checked(object sender, RoutedEventArgs e)
{
　　ResourceDictionary resourceDictionary = new ResourceDictionary();
　　resourceDictionary.Source = new Uri(
　　"Resources/GradientButtonVariant.xaml", UriKind.Relative);
　　this.Resources.MergedDictionaries[0] = resourceDictionary;
}

private void chkGreen_Unchecked(object sender, RoutedEventArgs e)
{
　　ResourceDictionary resourceDictionary = new ResourceDictionary();
　　resourceDictionary.Source = new Uri(
　　"Resources/GradientButton.xaml", UriKind.Relative);
　　this.Resources.MergedDictionaries[0] = resourceDictionary;
}

效果：