'宣言 Public Delegate Sub EventCollectionChangeEventHandler( _ ByVal sender As System.Object, _ ByVal e As EventCollectionChangeEventArgs _ )
'使用法 Dim instance As New EventCollectionChangeEventHandler(AddressOf HandlerMethod)
public delegate void EventCollectionChangeEventHandler( System.object sender, EventCollectionChangeEventArgs e )
パラメータ
- sender
 - The source of event.
 - e
 - The parameters of event.