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UsesPerPixelOpacity example

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Lester Lobo posted an example of UsesPerPixelOpacity=true: https://blogs.msdn.com/llobo/archive/2006/02/24/538757.aspx

Keep in mind you don't need to use HwndSource -- you can use the Popup class instead, which is generally more convenient since it saves you some pinvoking.

Comments

  • Anonymous
    February 28, 2006
    Popup is nice, but there is no "UsesPerPixelOpacity" property? Or is there any other way to implement transparency?  
  • Anonymous
    March 01, 2006
    Note that there's another sample showing the new UsesPerPixelOpacity stuff in the FebCTP version of the SDK. The sample is under "Cross-technology Samples" (unfortunately), and is called GadgetUILibrary. Defines a GadgetWindow class that you pass a Visual to and show ... pretty much takes care of everything else.
  • Anonymous
    March 01, 2006
    Nice sample, but the transparency does not work on my machine. And second it also uses the HwndSource and some ugly Win32 calls. So do i miss something?
  • Anonymous
    March 31, 2006
    Roland, I got transparency to work on a Popup by setting AllowsTransparency=true.
  • Anonymous
    April 03, 2006
    Ahh, thanks a lot. Now the Popup works with transparency and without any HwndSource and W32 stuff:-)