Adding New Tabs

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

    Dim tabpage As New TabPage
    tabpage.Text = "(empty)"

    Dim textbox1 As New TextBox
    Dim textbox2 As New TextBox

    textbox1.Parent = tabpage
    textbox2.Parent = tabpage

    textbox1.Location = New Point(10, 10)
    textbox2.Location = New Point(10, 30)

    textbox1.Name = "textbox1"
    textbox2.Name = "textbox2"

    TabControl1.TabPages.Add(tabpage)

End Sub