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

TButtonControl.OnChange

Event handler for signalled when the button control is clicked.

Declaration

Source position: stdctrls.pp line 1192

protected property TButtonControl.OnChange : TNotifyEvent
  read FOnChange
  write FOnChange;

Description

OnChange is signalled from the DoOnChange method, and occurs when the Click method is called for the class instance. It is signalled after the OnEditingDone event handler. The Sender argument contains the current button control class instance (Self).

The OnClick event handler can also be used for the notification when ClicksDisabled is set to False.

See also

TButtonControl.Click

  

Performs actions needed when a click message is handled for the control.

TButtonControl.DoOnChange

  

Signals the OnEditingDone and OnChange event handlers (when assigned).

TButtonControl.ClicksDisabled

  

Disables calling the Click method without changing the Enabled state for the control.

TControl.OnEditingDone

  

Event handler signalled when editing is completed for the control.

TControl.OnClick

  

Notification handler for mouse clicks.


Version 3.2 Generated 2024-02-25 Home