IFullScreenVideoEx::SetMessageDrain
| Microsoft DirectShow 9.0 |
IFullScreenVideoEx::SetMessageDrain
The SetMessageDrain method specifies a window to receive mouse and keyboard messages from the video window.
Syntax
HRESULT SetMessageDrain( HWND hwnd );
Parameters
hwnd
[in] Specifies a handle to the message-drain window.
Return Values
Returns an HRESULT value.
Remarks
This method is equivalent to the IVideoWindow::put_MessageDrain method.
The Full Screen video renderer posts all mouse and keyboard messages to the window designated as a message drain. The exact list of messages that are posted is the same as the list given in put_MessageDrain.
Applications do not need to use this method. Instead, call the Filter Graph Manager's put_MessageDrain method before switching to full-screen mode. The Filter Graph Manager automatically sets the same message drain on the renderer that it selects for full-screen mode.
Requirements
Header: Declared in Amvideo.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also