Public Class MainForm
    Inherits System.Windows.Forms.Form
 
#Region " Windows Form Designer generated code "
 
    Public Sub New()
        MyBase.New()
 
        'This call is required by the Windows Form Designer.
        InitializeComponent()
 
        'Add any initialization after the InitializeComponent() call
 
    End Sub
 
    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
 
    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer
 
    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents HeaderPanel As System.Windows.Forms.Panel
    Friend WithEvents FooterPanel As System.Windows.Forms.Panel
    Friend WithEvents MiddlePanel As System.Windows.Forms.Panel
    Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.HeaderPanel = New System.Windows.Forms.Panel
        Me.FooterPanel = New System.Windows.Forms.Panel
        Me.MiddlePanel = New System.Windows.Forms.Panel
        Me.MainMenu1 = New System.Windows.Forms.MainMenu
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.MenuItem2 = New System.Windows.Forms.MenuItem
        Me.SuspendLayout()
        '
        'HeaderPanel
        '
        Me.HeaderPanel.Dock = System.Windows.Forms.DockStyle.Top
        Me.HeaderPanel.Location = New System.Drawing.Point(0, 0)
        Me.HeaderPanel.Name = "HeaderPanel"
        Me.HeaderPanel.Size = New System.Drawing.Size(292, 56)
        Me.HeaderPanel.TabIndex = 0
        '
        'FooterPanel
        '
        Me.FooterPanel.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.FooterPanel.Location = New System.Drawing.Point(0, 208)
        Me.FooterPanel.Name = "FooterPanel"
        Me.FooterPanel.Size = New System.Drawing.Size(292, 64)
        Me.FooterPanel.TabIndex = 1
        '
        'MiddlePanel
        '
        Me.MiddlePanel.Dock = System.Windows.Forms.DockStyle.Fill
        Me.MiddlePanel.Location = New System.Drawing.Point(0, 56)
        Me.MiddlePanel.Name = "MiddlePanel"
        Me.MiddlePanel.Size = New System.Drawing.Size(292, 152)
        Me.MiddlePanel.TabIndex = 2
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() _
          {Me.MenuItem1})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() _
          {Me.MenuItem2})
        Me.MenuItem1.Text = "Main"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.Text = "Show Middle1"
        '
        'MainForm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 272)
        Me.Controls.Add(Me.MiddlePanel)
        Me.Controls.Add(Me.FooterPanel)
        Me.Controls.Add(Me.HeaderPanel)
        Me.Menu = Me.MainMenu1
        Me.Name = "MainForm"
        Me.Text = "MainForm"
        Me.ResumeLayout(False)
 
    End Sub
 
#End Region
 
    Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MyBase.Load
        startForms()
    End Sub
 
    Private currentForm As Form
 
    Private Sub startForms()
 
        Dim fh As New Header
        fh.TopLevel = False
        fh.Dock = DockStyle.Fill
        HeaderPanel.Controls.Add(fh)
        fh.Show()
 
        Dim ff As New Footer
        ff.TopLevel = False
        ff.Dock = DockStyle.Fill
        FooterPanel.Controls.Add(ff)
        ff.Show()
 
        Dim fm As New Middle
        setCurrentForm(fm)
 
    End Sub
 
    Private Sub setCurrentForm(ByVal fm As Form)
        MiddlePanel.Controls.Remove(currentForm)
        fm.TopLevel = False
        fm.Dock = DockStyle.Fill
        MiddlePanel.Controls.Add(fm)
        fm.Show()
        currentForm = fm
    End Sub
 
    Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MenuItem2.Click
        setCurrentForm(New Middle1)
    End Sub
 
End Class

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