| [Overview][Constants][Types][Classes][Procedures and functions][Index] |
Invokes the OnChange event handler for the control.
Source position: stdctrls.pp line 96
protected procedure TCustomScrollBar.Change; virtual; |
Change is a procedure used to perform the Changed method in the ancestor class, and to signal the OnChange event handler (when assigned) for the control. Change is called when SetParams is used to update the Position, Min, Max, or PageSize values in the scrollbar.
|
Event handler signalled when the value in Position, Min, Max, or PageSize is changed. |
|
|
Updates the Min and Max values, the size of the page, and the position in the scrollbar. |
|
|
The position of the slider in the scrollbar. |
|
|
The minimum value for the top or left position depending on orientation. |
|
|
The maximum value for the bottom or right position depending on orientation. |
|
|
The size of the slider relative to the total scroll range. |
|
|
Performs actions needed when the value for the control has been changed. |
| Version 4.0 | Generated 2025-05-03 | Home |