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

TWidgetSet.PtInRegion

Tests whether a point lies in a region.

Declaration

Source position: winapih.inc line 216

public function TWidgetSet.PtInRegion(

  RGN: HRGN;

  X: Integer;

  Y: Integer

):Boolean; virtual;

Arguments

RGN

  

The region.

X

  

The point coordinate.

Y

  

The point coordinate.

Function result

True when the point lies in the region.

Version 4.0 Generated 2025-05-03 Home