Cómo: Declarar eventos personalizados para conservar memoria (Visual Basic)

Public Class MemoryOptimizedBaseControl
    ' Define a delegate store for all event handlers.
    Private Events As New System.ComponentModel.EventHandlerList

    ' Define the Click event to use the delegate store.
    Public Custom Event Click As EventHandler
        AddHandler(ByVal value As EventHandler)
            Events.AddHandler("ClickEvent", value)
        End AddHandler
        RemoveHandler(ByVal value As EventHandler)
            Events.RemoveHandler("ClickEvent", value)
        End RemoveHandler
        RaiseEvent(ByVal sender As Object, ByVal e As EventArgs)
            CType(Events("ClickEvent"), EventHandler).Invoke(sender, e)
        End RaiseEvent
    End Event

    ' Define the DoubleClick event to use the same delegate store.
    Public Custom Event DoubleClick As EventHandler
        AddHandler(ByVal value As EventHandler)
            Events.AddHandler("DoubleClickEvent", value)
        End AddHandler
        RemoveHandler(ByVal value As EventHandler)
            Events.RemoveHandler("DoubleClickEvent", value)
        End RemoveHandler
        RaiseEvent(ByVal sender As Object, ByVal e As EventArgs)
            CType(Events("DoubleClickEvent"), EventHandler).Invoke(sender, e)
        End RaiseEvent
    End Event

    ' Define additional events to use the same delegate store.
    ' ...
End Class