This member function is called by the framework to reflect the last message to the child window.
static BOOL PASCAL ReflectLastMsg(
LRESULT* pResult = NULL
A handle to a child window.
The result generated by the child window to be returned by the parent window. Can be NULL.
Nonzero if the message was handled; otherwise 0.
This member function calls SendChildNotifyLastMsg if the window identified by hWndChild is an OLE control or a window in the permanent map.
For more information about message reflection, see Handling Reflected Messages.