visual basic array button

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VB

hello, i am now researching on vb
i'm now trying to make a simple code..
to pop out a "hello world" msgbox by click on the button
i add the button on my form by using array
here is my sample code

<pre lang="vb">
Dim ButArr As System.Windows.Forms.Button() = New Button(0) {}
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
ButArr(0) = New Button
        ButArr(0).Height = 50
        ButArr(0).Width = 100
        ButArr(0).Top = 70
        ButArr(0).Left = 200
        ButArr(0).FlatStyle = FlatStyle.Flat
        ButArr(0).ForeColor = Color.WhiteSmoke
        ButArr(0).BackColor = Color.DarkViolet
        ButArr(0).Text = "Hello World"
        Controls.Add(ButArr(0))
    End Sub

now i m wondering how should i start my command..