| Microsoft DirectX 9.0 |
The GetDefaultMonitor method retrieves the default monitor that all future instances of the VMR will use for video playback.
Syntax
HRESULT GetDefaultMonitor(
VMRGUID* pGUID
);
Parameters
pGUID
[out] Pointer to a VMRGUID structure that identifies the default monitor on the system.
Return Values
Returns an HRESULT value. Possible values include the following.
| Value | Description |
| E_POINTER | NULL pointer argument. |
| S_OK | Success. |
| VFW_E_WRONG_STATE | The allocator-presenter has not been loaded. |
Remarks
Use this method on a multi-monitor system to determine which is the default DirectDraw device the VMR will use when connecting to an upstream filter.
See Also