public delegate void ActivityChangedEventHandler(
	Object sender,
	ActivityChangedEventArgs activityChangedEventArgs
)

Public Delegate Sub ActivityChangedEventHandler ( 
	sender As Object,
	activityChangedEventArgs As ActivityChangedEventArgs
)

public delegate void ActivityChangedEventHandler(
	Object^ sender, 
	ActivityChangedEventArgs^ activityChangedEventArgs
)

type ActivityChangedEventHandler = 
    delegate of 
        sender : Object * 
        activityChangedEventArgs : ActivityChangedEventArgs -> unit