BCGControlBar Pro for MFC
static BOOL CBCGPToolBarImages::Is32BitTransparencySupported ( )
static

Tells whether 32-bit alpha blending is supported at runtime.

Returns
Nonzero if 32-bit alpha blending is supported; otherwise 0.

Use this static function to determine whether 32-bit alpha blending is supported at runtime. This feature is supported (the function returns TRUE) on Windows 2000 or later.