How to define static resource for background color of wpf window?

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hi all,
im writing LinearGradientBrush code in window.resource like below

XML

<Window.Resources>
 <LinearGradientBrush x:Key="cbColor">
           <GradientStop Offset="0" Color="Red"></GradientStop>
           <GradientStop Offset="0.5" Color="Silver"></GradientStop>
           <GradientStop Offset="1" Color="Green"></GradientStop>

 </LinearGradientBrush>

   </Window.Resources>

and using this as a background of window as a static resource but it is giving some error.
and if am using it as a dynamic resource it working fine,im confused why it is not working with static resource as i am writing it only in window xaml code

What I have tried:

i tried to write in window.resource with static resource tag

Posted 17-Feb-16 22:18pm

sumitk.cadc

Updated 18-Feb-16 6:46am

Matt T Heffron

v2

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Richard Deeming · Answer 1 · 2016-02-18T04:41:00

There's a good explanation of the problem on StackOverflow:
c# - Windows Style from ResourceDictionary don't apply - Stack Overflow[^]

Basically, the Window is created before the nested ResourceDictionary is processed. At that point, nothing defined in the <Window.Resources> dictionary is available.

If you use a StaticResource, the designer will fail and the application will crash.

If you use a DynamicResource, the window will initially be created without the resource being applied; once the nested ResourceDictionary has been processed, and its resources are available, the window style will be updated.

A better solution is to move your resources to the <Application.Resources> dictionary, which is processed before the window is created.