Herbert Rosenau wrote to Will Honea on 12-06-1999

HR> Who is forwarding them? Any window can send/post such 
HR> messages to any other window. Neither WM_COMMAND nor 
HR> WM_SYSTEM are generated in system message queue. Tey are 
HR> generated by an frame window related on WM_MOUSE.../WM_CHAR 
HR> received from system message queue. You can send/post any 
HR> message to any window. So you my send/post a WM_COMMAND 
HR> from any window to another to become the action you would. 
HR> It is usual to interact between serval windows (of serval 
HR> applications) this way.

AH! Terminology problem.  I completly agree that the system INPUT
queue only posts to the window with focus.  The system MESSAGE queue is
another beast entirely - as are the individual queues established by
applications.

Will Honea 
--- Maximus/2 2.02