[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'InterfaceBase' (#lcl)

TWidgetSet.RectVisible

Checks whether the clipping region contains (part of) a rectangle.

Declaration

Source position: winapih.inc line 222

public function TWidgetSet.RectVisible(

  DC: HDC;

  const ARect: TRect

):Boolean; virtual;

Arguments

DC

  

The device context.

ARect

  

The rectangle.

Function result

True when (part of) the rectangle is visible.

Version 4.0 Generated 2025-05-03 Home