Mega Code Archive
Use a tree to manage MDI Child window
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Imports System.Windows.Forms
public class ParentFormMDI
public Shared Sub Main
Application.Run(New ParentForm)
End Sub
End class
Public Class ParentForm
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 cmdCascade As System.Windows.Forms.MenuItem
Friend WithEvents menuItem7 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem
Friend WithEvents cmdWindowArrangeIcons As System.Windows.Forms.MenuItem
Friend WithEvents cmdWindowTileChildrenVert As System.Windows.Forms.MenuItem
Friend WithEvents cmdWindowTileChildrenHoriz As System.Windows.Forms.MenuItem
Friend WithEvents menuItem8 As System.Windows.Forms.MenuItem
Friend WithEvents statusBar1 As System.Windows.Forms.StatusBar
Friend WithEvents cmdFileNewChild As System.Windows.Forms.MenuItem
Friend WithEvents cmdFileExit As System.Windows.Forms.MenuItem
Friend WithEvents treeView1 As System.Windows.Forms.TreeView
Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu
Friend WithEvents menuItem1 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem9 As System.Windows.Forms.MenuItem
Friend WithEvents splitter1 As System.Windows.Forms.Splitter
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.cmdCascade = New System.Windows.Forms.MenuItem()
Me.menuItem7 = New System.Windows.Forms.MenuItem()
Me.menuItem3 = New System.Windows.Forms.MenuItem()
Me.cmdWindowArrangeIcons = New System.Windows.Forms.MenuItem()
Me.cmdWindowTileChildrenVert = New System.Windows.Forms.MenuItem()
Me.cmdWindowTileChildrenHoriz = New System.Windows.Forms.MenuItem()
Me.menuItem8 = New System.Windows.Forms.MenuItem()
Me.statusBar1 = New System.Windows.Forms.StatusBar()
Me.cmdFileNewChild = New System.Windows.Forms.MenuItem()
Me.cmdFileExit = New System.Windows.Forms.MenuItem()
Me.treeView1 = New System.Windows.Forms.TreeView()
Me.mainMenu1 = New System.Windows.Forms.MainMenu()
Me.menuItem1 = New System.Windows.Forms.MenuItem()
Me.menuItem9 = New System.Windows.Forms.MenuItem()
Me.splitter1 = New System.Windows.Forms.Splitter()
Me.SuspendLayout()
'
'cmdCascade
'
Me.cmdCascade.Index = 1
Me.cmdCascade.Text = "&Cascade"
'
'menuItem7
'
Me.menuItem7.Index = 4
Me.menuItem7.Text = "-"
'
'menuItem3
'
Me.menuItem3.Index = 1
Me.menuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.cmdWindowArrangeIcons, Me.cmdCascade, Me.cmdWindowTileChildrenVert, Me.cmdWindowTileChildrenHoriz, Me.menuItem7, Me.menuItem8})
Me.menuItem3.MergeOrder = 2
Me.menuItem3.Text = "&Window"
'
'cmdWindowArrangeIcons
'
Me.cmdWindowArrangeIcons.Index = 0
Me.cmdWindowArrangeIcons.Text = "&Arrange Icons"
'
'cmdWindowTileChildrenVert
'
Me.cmdWindowTileChildrenVert.Index = 2
Me.cmdWindowTileChildrenVert.Text = "Tile Children &Vertically"
'
'cmdWindowTileChildrenHoriz
'
Me.cmdWindowTileChildrenHoriz.Index = 3
Me.cmdWindowTileChildrenHoriz.Text = "Tile Children &Horizontally"
'
'menuItem8
'
Me.menuItem8.Index = 5
Me.menuItem8.MdiList = True
Me.menuItem8.Text = "Window&s"
'
'statusBar1
'
Me.statusBar1.Location = New System.Drawing.Point(0, 179)
Me.statusBar1.Name = "statusBar1"
Me.statusBar1.Size = New System.Drawing.Size(352, 22)
Me.statusBar1.TabIndex = 4
Me.statusBar1.Text = "Ready"
'
'cmdFileNewChild
'
Me.cmdFileNewChild.Index = 0
Me.cmdFileNewChild.Shortcut = System.Windows.Forms.Shortcut.CtrlN
Me.cmdFileNewChild.Text = "&New Child"
'
'cmdFileExit
'
Me.cmdFileExit.Index = 2
Me.cmdFileExit.MergeOrder = 2
Me.cmdFileExit.Text = "E&xit"
'
'treeView1
'
Me.treeView1.Dock = System.Windows.Forms.DockStyle.Left
Me.treeView1.ImageIndex = -1
Me.treeView1.Location = New System.Drawing.Point(3, 0)
Me.treeView1.Name = "treeView1"
Me.treeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Children")})
Me.treeView1.SelectedImageIndex = -1
Me.treeView1.Size = New System.Drawing.Size(121, 179)
Me.treeView1.TabIndex = 5
'
'mainMenu1
'
Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem3})
'
'menuItem1
'
Me.menuItem1.Index = 0
Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.cmdFileNewChild, Me.menuItem9, Me.cmdFileExit})
Me.menuItem1.MergeType = System.Windows.Forms.MenuMerge.MergeItems
Me.menuItem1.Text = "&File"
'
'menuItem9
'
Me.menuItem9.Index = 1
Me.menuItem9.MergeOrder = 2
Me.menuItem9.Text = "-"
'
'splitter1
'
Me.splitter1.Name = "splitter1"
Me.splitter1.Size = New System.Drawing.Size(3, 179)
Me.splitter1.TabIndex = 6
Me.splitter1.TabStop = False
'
'ParentForm
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(352, 201)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.treeView1, Me.splitter1, Me.statusBar1})
Me.IsMdiContainer = True
Me.Menu = Me.mainMenu1
Me.Name = "ParentForm"
Me.Text = "MDI Parent"
Me.ResumeLayout(False)
End Sub
#End Region
Dim nextChild As Integer = 1
Public Sub ChildClosed(ByVal sender As Object, ByVal e As EventArgs)
Dim node As TreeNode
For Each node In treeView1.Nodes(0).Nodes
If node.Tag Is sender Then
treeView1.Nodes(0).Nodes.Remove(node)
Exit For
End If
Next
End Sub
Private Sub cmdFileNewChild_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdFileNewChild.Click
Dim child As Form = New ChildForm()
child.Text = "Child " & nextChild.ToString()
AddHandler child.Closed, AddressOf ChildClosed
nextChild = nextChild + 1
child.MdiParent = Me
child.Show()
Dim node As TreeNode = New TreeNode(child.Text)
node.Tag = child
treeView1.Nodes(0).Nodes.Add(node)
treeView1.Nodes(0).Expand()
End Sub
Private Sub cmdFileExit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdFileExit.Click
Close()
End Sub
Private Sub treeView1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles treeView1.Click
Dim child As Form
If TypeOf (treeView1.SelectedNode.Tag) Is Form Then
child = CType(treeView1.SelectedNode.Tag, Form)
End If
If Not child Is Nothing Then child.Activate()
End Sub
End Class
Public Class ChildForm
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 mainMenu1 As System.Windows.Forms.MainMenu
Friend WithEvents menuItem11 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem1 As System.Windows.Forms.MenuItem
Friend WithEvents cmdFileClose As System.Windows.Forms.MenuItem
Friend WithEvents menuItem13 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem5 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem4 As System.Windows.Forms.MenuItem
Friend WithEvents menuItem6 As System.Windows.Forms.MenuItem
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.mainMenu1 = New System.Windows.Forms.MainMenu()
Me.menuItem11 = New System.Windows.Forms.MenuItem()
Me.menuItem1 = New System.Windows.Forms.MenuItem()
Me.cmdFileClose = New System.Windows.Forms.MenuItem()
Me.menuItem13 = New System.Windows.Forms.MenuItem()
Me.menuItem5 = New System.Windows.Forms.MenuItem()
Me.menuItem4 = New System.Windows.Forms.MenuItem()
Me.menuItem6 = New System.Windows.Forms.MenuItem()
'
'mainMenu1
'
Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem11, Me.menuItem13})
'
'menuItem11
'
Me.menuItem11.Index = 0
Me.menuItem11.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.cmdFileClose})
Me.menuItem11.MergeType = System.Windows.Forms.MenuMerge.MergeItems
Me.menuItem11.Text = "&File"
'
'menuItem1
'
Me.menuItem1.Index = 0
Me.menuItem1.MergeOrder = 1
Me.menuItem1.Text = "&Save"
'
'cmdFileClose
'
Me.cmdFileClose.Index = 1
Me.cmdFileClose.MergeOrder = 1
Me.cmdFileClose.Text = "&Close"
'
'menuItem13
'
Me.menuItem13.Index = 1
Me.menuItem13.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem5, Me.menuItem4, Me.menuItem6})
Me.menuItem13.MergeOrder = 1
Me.menuItem13.Text = "&Edit"
'
'menuItem5
'
Me.menuItem5.Index = 0
Me.menuItem5.Text = "Cu&t"
'
'menuItem4
'
Me.menuItem4.Index = 1
Me.menuItem4.Text = "&Copy"
'
'menuItem6
'
Me.menuItem6.Index = 2
Me.menuItem6.Text = "&Paste"
'
'ChildForm
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(168, 147)
Me.Menu = Me.mainMenu1
Me.Name = "ChildForm"
Me.Text = "MDI Child"
End Sub
#End Region
Private Sub cmdFileClose_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdFileClose.Click
Close()
End Sub
End Class
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