IVMRWindowlessControl::DisplayModeChanged
| Microsoft DirectShow 9.0 |
IVMRWindowlessControl::DisplayModeChanged
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.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also