mfcc - MFC: Adding fade-in , fade-out effect to polygon region -


i want fade-in, fade-out particular region created me. when use animatewindow() fades out entire window not visible earlier when created polygon region. how do this? can appreciated.

try this: use setlayeredwindowattributes :

for (int opacity = 0; opacity <= 255; opacity++) {   ::setlayeredwindowattributes(hwnd, rgb(0,0,0), opacity, lwa_alpha);   sleep(20) ; }

this fade out hwnd window in approximately 5 seconds. hwnd window must created ws_ex_layered extended style.


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