c# - How to layer one window on top of another with transparency(Overlay) or how to do aplha-blending on two windows using directx? -


i trying achieve alpha blending of 2 windows have 1 window contains image , window contains webpage. want alpha blend these 2 windows gives overlay effect , want top window transparent window underneath seen. later want save in video(preferably using direct x). have read several tutorials on internet regarding direct x alpha blending have not been able find want achieve. example/source code achieve or pointer towards right direction appreciated.

finally found answer myself. further research lead me this,this thread looking for. might useful else , might save lot of head banging on research.


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