public delegate void MaintenanceProgressEventHandler(
	Object sender,
	DataProviderMaintenanceProgressEventArgs e
)

Public Delegate Sub MaintenanceProgressEventHandler ( 
	sender As Object,
	e As DataProviderMaintenanceProgressEventArgs
)

type MaintenanceProgressEventHandler = 
    delegate of 
        sender : Object * 
        e : DataProviderMaintenanceProgressEventArgs -> unit