AFX_GLOBAL_DATA::SetLayeredAttrib
Provides a simple way to call the Windows SetLayeredWindowAttributes method.
BOOL SetLayeredAttrib(
HWND hwnd,
COLORREF crKey,
BYTE bAlpha,
DWORD dwFlags
);
Parameters
[in] hwnd
Handle to the layered window.[in] crKey
The transparency color key that the Desktop Window Manager uses to compose the layered window.[in] bAlpha
The alpha value that is used to describe the opacity of the layered window.[in] dwFlags
A bitwise combination (OR) of flags that specify which method parameters to use. Specify LWA_COLORKEY to use the crKey parameter as the transparency color. Specify LWA_ALPHA to use the bAlpha parameter to determine the opacity of the layered window.
Return Value
TRUE if this method succeeds; otherwise, FALSE.
Requirements
Header: afxglobals.h