Invalidate the display box. The window updates either when the <<Update Window message is sent or when the operating system has time for the update. See <<Reshow for another method.
Turns padding around a window’s contents on (1) or off (0). The default value is off.
Invalidates the display box and updates the window with the new content. See <<Inval and <<Update Window messages if more control over timing of the update is required.

Help created on 7/12/2018