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

TWidgetSet.IsWindow

Checks whether a handle refers to a window.

Declaration

Source position: winapih.inc line 180

public function TWidgetSet.IsWindow(

  handle: HWND

):Boolean; virtual;

Arguments

handle

  

The handle to test.

Function result

True when handle is a valid window handle.

Version 4.4 Generated 2025-11-08 Home