c# - How do I change panorama background image depending on theme color? -


i have wp7 application uses dark image panorama's background. issue when device set light theme cant make change lighter version of it.

private color lightthemebackground = color.fromargb(255, 255, 255, 255); private color darkthemebackground = color.fromargb(255, 0, 0, 0);   private void displaystate() {     solidcolorbrush backgroundbrush =          application.current.resources["phonebackgroundbrush"] solidcolorbrush;      if (backgroundbrush.color == lightthemebackground)     {         panoramabackgroundimage = bg_light.png;     }     else     {         // in dark theme     } }

and in .xaml file can't add image (it lets me define panorama background once!

<controls:panorama title="museo">    <controls:panorama.background>    <imagebrush x:name="panoramabackgroundimage" stretch="fill"                  imagesource="/museo;component/bg_dark.png" /> </controls:panorama.background>

thanx


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