Planar DX/PCI User Manual page 51

Example This example returns the number of GDI bits.
#include <mdpcint.h>
{
HDC
UWORD
DWORD
DWORD
dwRetCode = DGetNumGDIBitsMM (NULL, nDisplay,
&NumRedBits, &NumGreenBits, &NumBlueBits);
return dwRetCode;
}
See also
DGetScreenDimensions, DGetNumGCTBitsMM
hdc;
nDisplay;
dwRetCode;
NumRedBits, NumGreenBits, NumBlueBits;
DGetNumGDIBitsMM | 41