Vcl.ComCtrls.TTrackBar.Changed
Delphi
procedure Changed; dynamic;
C++
HIDESBASEDYNAMIC void __fastcall Changed();
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
procedure function |
protected | Vcl.ComCtrls.pas Vcl.ComCtrls.hpp |
Vcl.ComCtrls | TTrackBar |
Description
Sends a CM_CHANGED message to the control.
Vcl.ComCtrls.TTrackBar.Changed inherits from Vcl.Controls.TControl.Changed. All content below this line refers to Vcl.Controls.TControl.Changed.
Sends a CM_CHANGED message to the control.
Call Changed after changing the properties of the control in a way that affects the properties of a parent object. Changed sends a CM_CHANGED message back to the control. If the control is a windowed control, this message is sent to the parent so that it can make any necessary adjustments.