| Microsoft DirectX 9.0 |
The GetMonitorFrequency method returns the frequency of the monitor being driven by the DirectDraw object.
Syntax
HRESULT GetMonitorFrequency(
LPDWORD lpdwFrequency
);
Parameters
lpdwFrequency
Points to the DWORD that will be filled in with the monitor frequency, in 100-Hz units. (For example, 60 Hz is returned as 6000.)
Return Values
| Value | Description |
| DD_OK | The method succeeded. |
| DDERR_INVALIDOBJECT | DirectDraw received a pointer that was an invalid DirectDraw object. |
| DDERR_INVALIDPARAMS | One or more of the input parameters is invalid. |
| DDERR_UNSUPPORTED | Action not supported. |
See Also