IDDVideoPortContainer::QueryVideoPortStatus
The IDDVideoPortContainer::QueryVideoPortStatus method is supported in Windows 98 and Windows NT 5.0 only.
HRESULT QueryVideoPortStatus(
DWORD dwPortId,
LPDDVIDEOPORTSTATUS lpVPStatus
);
Parameters
dwPortId
Video port ID of the video port for which the status information will be retrieved.
lpVPStatus
Address of a DDVIDEOPORTSTATUS structure that will be filled with information about the status of the specified 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_CURRENTLYNOTAVAIL | 
| DDERR_EXCEPTION | 
| DDERR_INVALIDOBJECT | 
| DDERR_INVALIDPARAMS | 
| DDERR_UNSUPPORTED | 
QuickInfo
  Windows NT: Use version 5.0 or later.
  Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Header: Declared in dvp.h.
  Import Library: Use ddraw.lib.