WindowIsExposed

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GUI programming

Window H-N

WindowIsEnabled

WindowIsFrozen

bool WindowIsExposed window x y
bool (WindowIsExposed window x y w h)


Returns true if the given point or rectangle area has been exposed since the last repaint. Call this in an paint event handler to optimize redrawing by only redrawing those areas, which have been exposed.

WindowIsEnabled

WindowIsFrozen