When I create a new Gdiplus::Bitmap using the Bitmap::FromHBITMAP function, the resulting Bitmap is opaque - none of the partial transparency from the original HBITMAP is preserved.When I create a new Gdiplus::Bitmap using the B
阅读背景：
如何从HBITMAP创建Gdiplus:位图，保留alpha通道信息?
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