Inherited Class and .Clone method..[RESOLVED]

I created my own class:

Code:

---

Public Class M3ListViewItem
    Inherits System.Windows.Forms.ListViewItem

    Private mintType As Integer

    Public Property Type() as Integer...

End Class

---

In order to add a Type variable to the ListViewItem class that already existed.

The problem is when I call the Clone method, I get a regular ListViewItem back and the Type property is reset to Zero. How can I get around this?

I tried overloading the Clone method, but I can't return a different type on an overloaded method...

Thanks,

Ben

You have to Shadow it to return a different value. BUT that means if it is cast down to a regular ListViewItem then the original Clone method will be called instead of yours. That probably wont be an issue but just so you know.

Shadow..interesting...

Like So?:

Public Shadows Function Clone() As M3ListViewItem

And out of curiosity, what would my clone method look like?

How is this:

Code:

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Public Shadows Function Clone() As M3ListViewItem

    dim lviNew as New M3ListViewItem()

    lviNew = me.Clone
    lviNew.Type = me.Type
    Clone = lviNew

End Function

---

However you want to do it. You can either go thru each property or if I were you I'd use serialization. If you serialize it for cloning then if you add or change properties later then you wont have to change the clone method.

Heh, feel like giving me a quick lesson in serialization?

Search for 'BinaryFormatter' I remember seeing some examples posted previously on this board. Its very easy though. If you are still stuck after those then I'll post an example.