当代码编译。x:Code 元素的内容将被放到.g.cs文件。

<Window x:Class="WpfApplication7.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<Button Background="{x:Null}"
Height="32"
x:Name="Btn"
Click="Btn_Click"
Width="{x:Static SystemParameters.IconWidth}"
Content="{Binding Path=Width,RelativeSource={RelativeSource Self}}"
>
</Button>
<x:Code>
<![CDATA[
void Btn_Click(object sender,RoutedEventArgs e)
{
this.Close();
}
]]>
</x:Code>
</Grid>
</Window>