RAD Studio VCL Reference
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TabNotBk.TPageChangeEvent Type
Description
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TPageChangeEvent is the type for event handlers that respond when the current page changes in a TTabbedNotebook control.

Pascal
TPageChangeEvent = procedure (Sender: TObject; NewTab: Integer; var AllowChange: Boolean) of object;
C++
(Sender: TObject; NewTab: Integer; var AllowChange: Boolean) ( TPageChangeEvent)();
File

TabNotBk

Description

Sender is the TTabbedNotebook control. 

NewTab is the tab that is about to become the selected or current tab.  

AllowChange specifies whether the change to a new page is allowed. If the event handler sets AllowChange to false, a new page change doesn't occur. 

 

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