| [Overview][Types][Classes][Procedures and functions][Index] |
Specifies an event handler triggered before a page in displayed.
Source position: extctrls.pp line 43
type TBeforeShowPageEvent = procedure( |
ASender: TObject; |
ANewPage: TPage; |
ANewIndex: Integer |
) of object; |
ASender |
|
Object for the event notification. |
ANewPage |
|
The page instance for the notification. |
ANewIndex |
|
The ordinal position for the page in the parent control. |
TBeforeShowPageEvent is an object procedure which specifies an event handler triggered before a page in displayed. TBeforeShowPageEvent can be used to perform actions needed to configure the page or its parent control before the new page is displayed.
TBeforeShowPageEvent is the type used to implement the OnBeforeShow event handler in TPage.
|
Event handler signalled before the page is displayed. |
| Version 3.2 | Generated 2024-02-25 | Home |