### IDirectDrawVideoPort::GetVideoSignalStatus

The IDirectDrawVideoPort::GetVideoSignalStatus method retrieves the status of the video signal currently being presented to the video port.

HRESULT GetVideoSignalStatus(

LPDWORD lpdwStatus

);

##### Parameters

lpdwStatus
  Address of a variable that will contain a return code indicating the quality of the video signal at the video port. The value will be set to one of the following codes.

  DDVPSQ_NOSIGNAL
  | No video signal is present at the video port.
  DDVPSQ_SIGNALOK
  | A valid video signal is present at the video port.

##### 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_UNSUPPORTED