MFC Library Reference
AfxGetGrayBitmap
Copies a gray version of a bitmap.
void AFXAPI AfxGetGrayBitmap( const CBitmap &rSrc, CBitmap *pDest, COLORREF crBackground );
Parameters
- rSrc
- The source bitmap.
- pDest
- The destination bitmap.
- crBackground
- The new background color (typically gray, such as COLOR_MENU).
Remarks
A bitmap copied with AfxGetGrayBitmap will have the appearance of a disabled control.

Example
CBitmap bm; bm.LoadBitmap(IDB_BITMAP1); CBitmap bmGray; AfxGetGrayBitmap(bm, &bmGray, GetSysColor(COLOR_MENU));
See Also
MFC Macros and Globals | Gray and Dithered Bitmap Functions | AfxDrawGrayBitmap | AfxGetDitheredBitmap