IVideoWindow::NotifyOwnerMessage
A version of this page is also available for
4/8/2010
This method forwards messages that have been received by a parent window to a child window owned by a filter.
Syntax
HRESULT NotifyOwnerMessage(
long hwnd,
long uMsg,
long wParam,
long lParam
);
Parameters
- hwnd
[in] Window handle.
- uMsg
[in] Message being sent.
- wParam
[in] Message's wParam passed in.
- lParam
[in] Message's lParam passed in.
Return Value
Returns an HRESULT value.
Remarks
This method should be used by windows that make a renderer window a child window.
It forwards significant messages to the child window that the child window would not otherwise receive.
This includes the following messages:
- WM_ACTIVATEAPP
- WM_DEVMODECHANGE
- WM_DISPLAYCHANGE
- WM_PALETTECHANGED
- WM_PALETTEISCHANGING
- WM_QUERYNEWPALETTE
- WM_SYSCOLORCHANGE
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |