IDirectDraw4::GetFourCCCodes

  • 项目

This 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 the entries that can fit.
  • lpCodes
    Address of an array of variables that will 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 will return.

Return Values

If the method succeeds, the return value is DD_OK.

If the method fails, the return value may be one of the following error values:

DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS

Requirements

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddraw.h.
Link Library: Ddraw.lib.

 Last updated on Thursday, April 08, 2004

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