silverlight border 边框和背景渐变效果

<Border BorderThickness="2" Margin="10" CornerRadius="10"> <Border.Background> <LinearGradientBrush> <LinearGradientBrush.GradientStops> <GradientStop Color="Green" Offset="0" /> <GradientStop Color="White" Offset="1" /> </LinearGradientBrush.GradientStops> </LinearGradientBrush> </Border.Background> <Border.BorderBrush> <LinearGradientBrush> <LinearGradientBrush.GradientStops> <GradientStop Color="Black" Offset="0" /> <GradientStop Color="White" Offset="1" /> </LinearGradientBrush.GradientStops> </LinearGradientBrush> </Border.BorderBrush> <StackPanel Margin="10"> <Button Content="Sample Button" Margin="5" /> <TextBlock Text="Sample TextBlock" Margin="5" /> <ListBox Margin="5"> <ListBoxItem> <TextBlock Text="ListItem 1" /> </ListBoxItem> <ListBoxItem> <TextBlock Text="ListItem 2" /> </ListBoxItem> <ListBoxItem> <TextBlock Text="ListItem 3" /> </ListBoxItem> <ListBoxItem> <TextBlock Text="ListItem 4" /> </ListBoxItem> </ListBox> </StackPanel> </Border>