IDDVideoPortContainer::EnumVideoPorts

  • 项目

This method enumerates all of the video ports that the hardware exposes that are compatible with a provided video port description.

HRESULT EnumVideoPorts(
  DWORD dwFlags, 
  LPDDVIDEOPORTCAPS lpDDVideoPortCaps, 
  LPVOID lpContext, 
  LPDDENUMVIDEOCALLBACK lpEnumVideoCallback
);

Parameters

  • dwFlags
    Reserved for future use. This parameter must be set to zero.
  • lpDDVideoPortCaps
    Pointer to a DDVIDEOPORTCAPS structure that will be checked against the available video ports. If this parameter is NULL, all video ports will be enumerated.
  • lpContext
    Address of a caller-defined structure that will be passed to each enumeration member.
  • lpEnumVideoCallback
    Address of the EnumVideoCallback function that will be called each time a match is found.

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: Dvp.h.
Link Library: Ddraw.lib.

 Last updated on Thursday, April 08, 2004

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