Use a LinearGradientBrush in another LinearGradientBrush?

Question

Hi,

I'm trying to use one LinearGradientBrush in the Definition of another LinearGradientBrush. But I've no idea weather this would even work, and if it works, I need to know how.

For Example:

    <LinearGradientBrush x:Key="ComboBoxFocusBackgroundBrush" EndPoint="0.5,1" StartPoint="0.5,0">
        <GradientStop Color="#FFFDEEB3" Offset="0"/>
        <GradientStop Color="#FFFBF2CD" Offset="1"/>
        <GradientStop Color="#FFFCE48A" Offset="0.5"/>
        <GradientStop Color="#FFFBE388" Offset="0.75"/>
    </LinearGradientBrush>

    <LinearGradientBrush x:Key="FilterPopupTitleBrush" EndPoint="0.5,1" StartPoint="0.5,0">
        <GradientStop Color="#B45988" Offset="0.75"/>
        //Code here to use ComboBoxFocusBackgroundBrush
        <GradientStop Color="#990088" Offset="0.75"/>
    </LinearGradientBrush>

thanking you in anticipation for your answers

Edit: To get things a bit more clear in the example I want to use "ComboBoxFocusBackgroundBrush" in the "FilterPopupTitleBrush" as a "template".So that I've the same color gradient in both brushes without a copy of the "<GradientStop...>"-tags

Answer 1

You can share the list of gradient stops between multiple brushes, like this:-

<GradientStopCollection x:Key="MyGradient">
    <GradientStop Color="#FFFDEEB3" Offset="0"/> 
    <GradientStop Color="#FFFBF2CD" Offset="1"/> 
    <GradientStop Color="#FFFCE48A" Offset="0.5"/> 
    <GradientStop Color="#FFFBE388" Offset="0.75"/> 
</LinearGradientBrush> 

<LinearGradientBrush x:Key="ComboBoxFocusBackgroundBrush" EndPoint="0.5,1" StartPoint="0.5,0"
   GradientStops="StaticResource MyGradient}" /> 

<LinearGradientBrush x:Key="FilterPopupTitleBrush" EndPoint="0.5,1" StartPoint="0.5,0"
    GradientStops="{StaticResource MyGradient}" /> 

Now you can vary the EndPoint, StartPoint and other properties create different variants of the same basic gradient.

You can even supply the same set to RadialGradientBrush.