IDirectDraw2::GetMonitorFrequency

The IDirectDraw2::GetMonitorFrequency method retrieves the frequency of the monitor being driven by the DirectDraw object.

HRESULT GetMonitorFrequency(
  LPDWORD lpdwFrequency  
);
 

Parameters

lpdwFrequency

Address of the variable that will be filled with the monitor frequency, reported in Hz.

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:

QuickInfo

  Windows NT: Use version 4.0 or later.
  Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Header: Declared in ddraw.h.
  Import Library: Use ddraw.lib.