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

TCanvas.Changing

Signals the OnChanging event handler (when assigned).

Declaration

Source position: graphics.pp line 1087

public procedure TCanvas.Changing; virtual;

Description

Changing is called in methods which perform drawing operations, and occurs before the actions that affect the handles or settings for the canvas.

See also

TCanvas.OnChanging

  

Event handler signalled prior to changing the canvas.
Version 4.0 Generated 2025-05-03 Home