Report > Report Assembly Classes > UiReport > UiReport.OnBeforeActivateSheet
OnBeforeActivateSheet(Sender: Object; Args: IUiPrxCancelActivateSheetEventArgs);
Sender. Parameter that returns the component that has generated the event.
Args. The parameter that enables the user to determine event parameters.
The OnBeforeActivateSheet event occurs before switching from one regular report sheet to another.
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