### IDDVideoPortContainer::CreateVideoPort

The IDDVideoPortContainer::CreateVideoPort method creates a DirectDrawVideoPort object.

HRESULT CreateVideoPort(

DWORD dwFlags,

LPDDVIDEOPORTDESC lpDDVideoPortDesc,

LPDIRECTDRAWVIDEOPORT FAR *lplpDDVideoPort,

IUnknown FAR *pUnkOuter

);

##### Parameters

dwFlags
  Reserved for future use. This parameter must be zero.
lpDDVideoPortDesc
  Address of a DDVIDEOPORTDESC structure that describes the VideoPort object to be created.
lplpDDVideoPort
  Address of a variable that will be filled with a pointer to the new DirectDrawVideoPort object’s IDirectDrawVideoPort interface if the call succeeds.
pUnkOuter
  Allows for future compatibility with COM aggregation features. Presently, however, this method will return an error if this parameter is anything but NULL.

##### 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
DDERR_NOCOOPERATIVELEVELSET
DDERR_OUTOFCAPS
DDERR_OUTOFMEMORY