<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/><Setter Property="Background" Value="{DynamicResource {x:Static MyColors.ControlTextBrushKey}}"/>
<Window
xmlns:local="clr-namespace:MyCompany.Wpf.Example"
Background="{x:Static local:MyColors.ControlTextBrush}">
</Window>namespace MyCompany.Wpf.Example
{
public static class MyColors
{
public static readonly Brush ControlTextBrush =
new SolidColorBrush(Colors.Red);
}
}