nter to an MSG structure that contains the message to relay.
Comments A tooltip control processes only the messages in Table 20-41; all other messages are ignored. The messages are passed by the TTM_RELAYEVENT message.
Message Description
WM_LBUTTONDOWN The user pressed the left mouse button.
WM_MOUSEMOVE The cursor was moved.
WM_LBUTTONUP The user released the left mouse button.
WM_RBUTTONDOWN The user pressed the right mouse button.