IVideoWindow::NotifyOwnerMessage

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Forwards messages that have been received by a parent window to a child window owned by a filter.

HRESULT NotifyOwnerMessage( long
hwnd
, long
uMsg
, long
wParam
, long
lParam
);

Parameters

hwnd

[in] Window handle.

uMsg

[in] Message being sent.

wParam

[in] Message's wParampassed in.

lParam

[in] Message's lParampassed in.

Return Values

Returns an HRESULTvalue.

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