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

TWidgetSet.DCRedraw

Redraws the device context for the specified canvas handle.

Declaration

Source position: interfacebase.pp line 163

public procedure TWidgetSet.DCRedraw(

  CanvasHandle: HDC

); virtual; abstract;

Arguments

CanvasHandle

  

Canvas handle with the device context for the redraw operation.

Description

Used in the implementation of the TCanvas.RealizeAutoRedraw method called when its AutoRedraw property is changed.

Implemented for Gtk, Gtk2, Carbon, and Cocoa widgetsets.

Version 4.0 Generated 2025-05-03 Home