RAD Studio VCL Reference
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ComCtrls.TTBCustomizeQueryEvent Type
ComCtrls | Description | See Also
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TTBCustomizeQueryEvent is the type of event handlers that allow a toolbar to decide whether to allow a user customization.

Pascal
TTBCustomizeQueryEvent = procedure (Sender: TToolbar; Index: Integer; var Allow: Boolean) of object;
C++
(Sender: TToolbar; Index: Integer; var Allow: Boolean) ( TTBCustomizeQueryEvent)();
File
Description

TTBCustomizeQueryEvent is the type for the OnCustomizeCanInsert and OnCustomizeCanDelete events. It allows a toolbar to approve or block the insertion or deletion of a button by the user.  

Sender is the customizable toolbar that the user is trying to modify.  

Index is the index of the button to be deleted or the index where a new button is to be inserted.  

Allow returns an indication of whether the user can proceed with the operation. On entry, Allow is T t rue, indicating that the user can add or delete the button. The event handler can change Allow to F f alse to block the change to the toolbar. 

 

See Also
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