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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If TextBox1.Text < " " Then
TextBox1.Text = Mid(TextBox1.Text, 1, Len(TextBox1.Text) - 1 + 1)
Else
TextBox1.Text = Mid(TextBox1.Text, 1, Len(TextBox1.Text) - 1)
End If
End Sub