### IDDVideoPortContainer::EnumVideoPorts

The IDDVideoPortContainer::EnumVideoPorts 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,

LPENUMVIDEOCALLBACK lpEnumVideoCallback

);

##### Parameters

dwFlags
  Reserved for future use. This parameter must be 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