This method forwards messages that have been received by a parent window to a child window owned by a filter.
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:
|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