Microsoft DirectX 8.1 (C++)

IVMRWindowlessControl::DisplayModeChanged

This topic applies to Windows XP Home Edition and Windows XP Professional only.

The DisplayModeChanged method informs the VMR that a WM_DISPLAYCHANGE message has been received by the application.

Syntax

HRESULT DisplayModeChanged();

Parameters

This method takes no parameters.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Error Code Description
VFW_E_WRONG_STATE The VMR is not in windowless mode.

Remarks

An application must call this method whenever it receives a WM_DISPLAYCHANGE window message, but only if the VMR is currently in windowless mode.

See Also