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TBaseDesigner.OnActiveChanged Event

Occurs when the Active property of the TzCustomFormDesigner changes

property OnActiveChanged: TNotifyEvent;

Write an OnActiveChange event handler to take specific action immediately after the TzCustomFormDesigner changes its Active property. For example user can prohibit saving or loading form being designed while Active = True. 

 

The Sender parameter is the object whose event handler is called.

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