IDirectDraw7::GetFourCCCodes

The IDirectDraw7::GetFourCCCodes method retrieves the FOURCC codes supported by the DirectDraw object. This method can also retrieve the number of codes supported.

HRESULT GetFourCCCodes(
  LPDWORD lpNumCodes,  
  LPDWORD lpCodes      
);

Parameters

lpNumCodes

Address of a variable that contains the number of entries that the array pointed to by lpCodes can hold. If the number of entries is too small to accommodate all the codes, lpNumCodes is set to the required number, and the array pointed to by lpCodes is filled with all that fits.

lpCodes

Address of an array of variables to be filled with FOURCC codes supported by this DirectDraw object. If you specify NULL, lpNumCodes is set to the number of supported FOURCC codes, and the method returns.

Return Values

If the method succeeds, the return value is DD_OK.

If it fails, the method can return one of the following error values:

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 98.
  Header: Declared in ddraw.h.