Unit 'InterfaceBase' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

TWidgetSet.IsWindowVisible

The definite Visible state of a window.

Declaration

Source position: winapih.inc line 182

public function TWidgetSet.IsWindowVisible(

  handle: HWND

):Boolean; virtual;

Function result

True when the window and all its parents are visible.

Version 4.8 Generated 2026-06-06 Home