TBeforeShowPageEvent procedure type
Specifies an event handler triggered before a page in displayed.
Declaration
TBeforeShowPageEvent = procedure(ASender: TObject; ANewPage: TPage;
ANewIndex: Integer) of objectArguments
ASender | Object for the event notification. |
ANewPage | The page instance for the notification. |
ANewIndex | The ordinal position for the page in the parent control. |
Description
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.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.