Dim page As Crownwood.Magic.Controls.TabPage

        ' Create a new page with the appropriate control for display, title text and image
        page = New Crownwood.Magic.Controls.TabPage(_strings(_count), controlToAdd, Nothing, _count)

        ' Make this page become selected when added
        page.Selected = True

        tabControl.TabPages.Add(page)

        ' Update the count for creating new pages
        _count += 1
        If (_count > 6) Then
            _count = 0
        End If
    End Sub

    Protected Sub OnRemovePage(ByVal sender As Object, ByVal e As EventArgs) Handles removePage.Click
        If (tabControl.TabPages.Count > 0) Then
            tabControl.TabPages.RemoveAt(0)
        End If
    End Sub

    Protected Sub OnClearAll(ByVal sender As Object, ByVal e As EventArgs) Handles clearAll.Click
        tabControl.TabPages.Clear()
    End Sub

    Protected Sub OnStyleIDE(ByVal sender As Object, ByVal e As EventArgs) Handles radioIDE.Click
        tabControl.Style = VisualStyle.IDE
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub OnStylePlain(ByVal sender As Object, ByVal e As EventArgs) Handles radioPlain.Click
        tabControl.Style = VisualStyle.Plain
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub OnAppearanceMultiBox(ByVal sender As Object, ByVal e As EventArgs) Handles radioMultiBox.Click
        tabControl.Appearance = Crownwood.Magic.Controls.TabControl.VisualAppearance.MultiBox
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub OnAppearanceMultiForm(ByVal sender As Object, ByVal e As EventArgs) Handles radioMultiForm.Click
        tabControl.Appearance = Crownwood.Magic.Controls.TabControl.VisualAppearance.MultiForm
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub OnAppearanceMultiDocument(ByVal sender As Object, ByVal e As EventArgs) Handles radioMultiDocument.Click
        tabControl.Appearance = Crownwood.Magic.Controls.TabControl.VisualAppearance.MultiDocument
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub positionAtTop_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles positionAtTop.Click
        tabControl.PositionTop = positionAtTop.Checked
        UpdateControls()
    End Sub

    Protected Sub Highlight_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles hotTrack.Click
        tabControl.HotTrack = hotTrack.Checked
        UpdateControls()
    End Sub

    Protected Sub shrinkPages_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles shrinkPages.Click
        tabControl.ShrinkPagesToFit = shrinkPages.Checked
        UpdateControls()
    End Sub

    Protected Sub showClose_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles showClose.Click
        tabControl.ShowClose = showClose.Checked
        UpdateControls()
    End Sub

    Protected Sub showArrows_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles showArrows.Click
        tabControl.ShowArrows = showArrows.Checked
        UpdateControls()
    End Sub

    Protected Sub insetPlain_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles insetPlain.Click
        tabControl.InsetPlain = insetPlain.Checked
        UpdateControls()
    End Sub

    Protected Sub idePixelBorder_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles idePixelBorder.Click
        tabControl.IDEPixelBorder = idePixelBorder.Checked
        UpdateControls()
    End Sub

    Private Sub idePixelArea_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles idePixelArea.CheckedChanged
        tabControl.IDEPixelArea = idePixelArea.Checked
        UpdateControls()
    End Sub

    Protected Sub insetPagesOnly_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles insetPagesOnly.Click
        tabControl.InsetBorderPagesOnly = insetPagesOnly.Checked
        UpdateControls()
    End Sub

    Protected Sub selectedTextOnly_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles selectedTextOnly.Click
        tabControl.SelectedTextOnly = selectedTextOnly.Checked
        UpdateControls()
    End Sub

    Protected Sub numericUpDown1_ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles numericUpDown1.Click
        tabControl.ControlLeftOffset = Val(numericUpDown1.Value)
        UpdateControls()
    End Sub

    Protected Sub numericUpDown3_ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles numericUpDown3.Click
        tabControl.ControlTopOffset = Val(numericUpDown3.Value)
        UpdateControls()
    End Sub

    Protected Sub numericUpDown2_ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles numericUpDown2.Click
        tabControl.ControlRightOffset = Val(numericUpDown2.Value)
        UpdateControls()
    End Sub

    Protected Sub numericUpDown4_ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles numericUpDown4.Click
        tabControl.ControlBottomOffset = Val(numericUpDown4.Value)
        UpdateControls()
    End Sub

    Private Sub tabShowAlways_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tabShowAlways.CheckedChanged
        tabControl.HideTabsMode = Crownwood.Magic.Controls.TabControl.HideTabsModes.ShowAlways
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Private Sub tabHideAlways_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tabHideAlways.CheckedChanged
        tabControl.HideTabsMode = Crownwood.Magic.Controls.TabControl.HideTabsModes.HideAlways
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Private Sub tabHideUsingLogic_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tabHideUsingLogic.CheckedChanged
        tabControl.HideTabsMode = Crownwood.Magic.Controls.TabControl.HideTabsModes.HideUsingLogic
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Private Sub tabHideWithoutMouse_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tabHideWithoutMouse.CheckedChanged
        tabControl.HideTabsMode = Crownwood.Magic.Controls.TabControl.HideTabsModes.HideWithoutMouse
        If Not _update Then
            UpdateControls()
        Else
            _update = False
        End If
    End Sub

    Protected Sub hoverSelect_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles hoverSelect.Click
        tabControl.HoverSelect = hoverSelect.Checked
        UpdateControls()
    End Sub

    Private Sub multiline_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles multiline.CheckedChanged
        tabControl.Multiline = multiline.Checked
        UpdateControls()
    End Sub

    Private Sub multilineFullWidth_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles multilineFullWidth.CheckedChanged
        tabControl.MultilineFullWidth = multilineFullWidth.Checked
        UpdateControls()
    End Sub

    Protected Sub normal_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles normal.Click
        ' Give the tabControl a blue appearance
        tabControl.BackColor = _startBackColor
        tabControl.ForeColor = _startForeColor
        tabControl.ButtonActiveColor = _startButtonActive
        tabControl.ButtonInactiveColor = _startButtonInactive
        tabControl.TextInactiveColor = _startTextInactiveColor
        tabControl.HotTextColor = _startHotTextColor

        DefinePageColors(_startBackColor, _startForeColor)
    End Sub

    Protected Sub blue_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles blue.Click
        ' Give the tabControl a blue appearance
        tabControl.BackColor = Color.DarkBlue
        tabControl.ForeColor = Color.White
        tabControl.ButtonActiveColor = Color.White
        tabControl.ButtonInactiveColor = Color.LightBlue
        tabControl.TextInactiveColor = Color.Yellow
        tabControl.HotTextColor = Color.Orange

        DefinePageColors(Color.DarkBlue, Color.White)
    End Sub

    Protected Sub red_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles red.Click
        ' Give the tabControl a red appearance
        tabControl.BackColor = Color.DarkRed
        tabControl.ForeColor = Color.White
        tabControl.ButtonActiveColor = Color.White
        tabControl.ButtonInactiveColor = Color.Red
        tabControl.TextInactiveColor = Color.White
        tabControl.HotTextColor = Color.Cyan

        DefinePageColors(Color.DarkRed, Color.White)
    End Sub

    Protected Sub DefinePageColors(ByVal newBack As Color, ByVal newFore As Color)
        Dim page As Crownwood.Magic.Controls.TabPage
        For Each page In tabControl.TabPages
            If Not (page.Control Is Nothing) Then
                page.Control.ForeColor = newFore
                page.Control.BackColor = newBack
            End If
        Next
    End Sub
End Class

Public Class DummyForm
    Inherits Form

    Private _dummy1 As New Button()
    Private _dummy2 As New Button()
    Private _dummyBox As New GroupBox()
    Private _dummy3 As New RadioButton()
    Private _dummy4 As New RadioButton()

    Public Sub New()
        _dummy1.Text = "Dummy 1"
        _dummy1.Size = New Size(90, 25)
        _dummy1.Location = New Point(10, 10)

        _dummy2.Text = "Dummy 2"
        _dummy2.Size = New Size(90, 25)
        _dummy2.Location = New Point(110, 10)

        _dummyBox.Text = "Form GroupBox"
        _dummyBox.Size = New Size(190, 67)
        _dummyBox.Location = New Point(10, 45)

        _dummy3.Text = "Dummy 3"
        _dummy3.Size = New Size(100, 22)
        _dummy3.Location = New Point(10, 20)

        _dummy4.Text = "Dummy 4"
        _dummy4.Size = New Size(100, 22)
        _dummy4.Location = New Point(10, 42)
        _dummy4.Checked = True

        _dummyBox.Controls.AddRange(New Control() {_dummy3, _dummy4})

        Controls.AddRange(New Control() {_dummy1, _dummy2, _dummyBox})

        ' Define then control to be selected when first is activated for first time
        Me.ActiveControl = _dummy4
    End Sub
End Class

Public Class DummyPanel
    Inherits Panel

    Private _dummyBox As New GroupBox()
    Private _dummy3 As New RadioButton()
    Private _dummy4 As New RadioButton()

    Public Sub New()
        _dummyBox.Text = "Panel GroupBox"
        _dummyBox.Size = New Size(190, 67)
        _dummyBox.Location = New Point(10, 10)

        _dummy3.Text = "RadioButton 3"
        _dummy3.Size = New Size(100, 22)
        _dummy3.Location = New Point(10, 20)

        _dummy4.Text = "RadioButton 4"
        _dummy4.Size = New Size(100, 22)
        _dummy4.Location = New Point(10, 42)
        _dummy4.Checked = True

        _dummyBox.Controls.AddRange(New Control() {_dummy3, _dummy4})

        Controls.AddRange(New Control() {_dummyBox})
    End Sub
End Class