WM_PAINT message

This is a message sent by Windows to an application to tell it to 're-paint' one of its windows (for example because another window has obscured it). ClearWin+ programmers do not need to be aware of the fact that a window's contents may have to be regenerated in this way. However some call-backs, such as the re-colour call back from %eb edit boxes, may be activated in response to this message.



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