Resource Lookup
<UserControl x:Class='SilverlightApplication3.MainPage' 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' d:DesignWidth='640' d:DesignHeight='480'> <StackPanel> <StackPanel.Resources> <SolidColorBrush x:Key="brushText" Color="Blue" /> </StackPanel.Resources> <StackPanel> <StackPanel.Resources> <SolidColorBrush x:Key="brushText" Color="Red" /> </StackPanel.Resources> <Button HorizontalAlignment="Center" VerticalAlignment="Center" Margin="24" Foreground="{StaticResource brushText}"> Button with Red text </Button> </StackPanel> <StackPanel> <Button HorizontalAlignment="Center" VerticalAlignment="Center" Margin="24" Foreground="{StaticResource brushText}"> Button with Blue text </Button> </StackPanel> </StackPanel> </UserControl>