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DGetNumGDIBits
(Windows NT, Windows 2000 full Windows NT 4.0 compatible mode)
Purpose Use
Windows GDI (graphical device interface) bits.
Syntax
DWORD DGetNumGDIBits (hdc, lpNumRedBits,
Return value
DWORD –
otherwise, operating system error code.
Example This example returns the number of GDI bits.
#include <mdpcint.h>
{
HDC
DWORD
DWORD
dwRetCode = DGetNumGDIBits (hdc, &NumRedBits,
return dwRetCode;
}
See also
DGetScreenDimensions, DGetNumGCTBits
DGetNumGDIBits
lpNumGreenBits, lpNumBlueBits)
Parameter Type
HDC
DWORD FAR *
zero (0) if function completed successfully;
hdc;
dwRetCode;
NumRedBits, NumGreenBits, NumBlueBits;
&NumGreenBits, &NumBlueBits);
to return the number of
Name
hdc
lpNumRedBits
lpNumGreenBits
lpNumBlueBits
DGetNumGDIBits | 39
Description
Handle to the display-
device context
Number of red bits used
by GDI
Number of green bits
used by GDI
Number of blue bits
used by GDI
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