PyCWnd.SendMessageToDescendants
SendMessageToDescendants(idMessage, wParam, lParam, bDeep)
Send a message to all descendant windows.
Parameters
idMessage : int
The ID of the message to send.wParam=0 : int
The wParam for the message
lParam=0 : int
The lParam for the message
bDeep=1 : int
Indicates if the message should be recursively sent to all children
MFC References
CWnd::SendMessageToDescendants