Add children form to parent form : MDI « GUI « VB.Net Tutorial






Add children form to parent form
Imports System.Windows.Forms
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D

public class MDIAddChildToParent
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Public mycount As Integer

    Private Sub ToolStripMenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripMenuItem2.Click
        Dim i As Integer
        Dim newdoc As Form2            

        mycount = mycount + 1          
        newdoc = New Form2()           
        newdoc.Text = "Doc" + Str(mycount) 
        newdoc.MdiParent = Me               

        newdoc.Show()
    End Sub

    Private Sub ToolStripMenuItem6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripMenuItem6.Click
        Me.ActiveMdiChild.Text = Me.ActiveMdiChild.Text
    End Sub

End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.MenuStrip1 = New System.Windows.Forms.MenuStrip
        Me.ToolStripMenuItem1 = New System.Windows.Forms.ToolStripMenuItem
        Me.ToolStripMenuItem2 = New System.Windows.Forms.ToolStripMenuItem
        Me.ToolStripMenuItem3 = New System.Windows.Forms.ToolStripMenuItem
        Me.ToolStripMenuItem4 = New System.Windows.Forms.ToolStripMenuItem
        Me.ToolStripMenuItem5 = New System.Windows.Forms.ToolStripMenuItem
        Me.ToolStripMenuItem6 = New System.Windows.Forms.ToolStripMenuItem
        Me.MenuStrip1.SuspendLayout()
        Me.SuspendLayout()
        '
        'MenuStrip1
        '
        Me.MenuStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.ToolStripMenuItem1, Me.ToolStripMenuItem5})
        Me.MenuStrip1.Location = New System.Drawing.Point(0, 0)
        Me.MenuStrip1.MdiWindowListItem = Me.ToolStripMenuItem5
        Me.MenuStrip1.Name = "MenuStrip1"
        Me.MenuStrip1.Padding = New System.Windows.Forms.Padding(8, 2, 0, 2)
        Me.MenuStrip1.Size = New System.Drawing.Size(569, 24)
        Me.MenuStrip1.TabIndex = 2
        Me.MenuStrip1.Text = "MenuStrip1"
        '
        'ToolStripMenuItem1
        '
        Me.ToolStripMenuItem1.DropDownItems.AddRange(New System.Windows.Forms.ToolStripItem() {Me.ToolStripMenuItem2, Me.ToolStripMenuItem3, Me.ToolStripMenuItem4})
        Me.ToolStripMenuItem1.Name = "ToolStripMenuItem1"
        Me.ToolStripMenuItem1.Size = New System.Drawing.Size(49, 20)
        Me.ToolStripMenuItem1.Text = "File"
        '
        'ToolStripMenuItem2
        '
        Me.ToolStripMenuItem2.Name = "ToolStripMenuItem2"
        Me.ToolStripMenuItem2.Size = New System.Drawing.Size(152, 22)
        Me.ToolStripMenuItem2.Text = "new"
        '
        'ToolStripMenuItem3
        '
        Me.ToolStripMenuItem3.Name = "ToolStripMenuItem3"
        Me.ToolStripMenuItem3.Size = New System.Drawing.Size(152, 22)
        Me.ToolStripMenuItem3.Text = "save"
        '
        'ToolStripMenuItem4
        '
        Me.ToolStripMenuItem4.Name = "ToolStripMenuItem4"
        Me.ToolStripMenuItem4.Size = New System.Drawing.Size(152, 22)
        Me.ToolStripMenuItem4.Text = "Quit"
        '
        'ToolStripMenuItem5
        '
        Me.ToolStripMenuItem5.DropDownItems.AddRange(New System.Windows.Forms.ToolStripItem() {Me.ToolStripMenuItem6})
        Me.ToolStripMenuItem5.Name = "ToolStripMenuItem5"
        Me.ToolStripMenuItem5.Size = New System.Drawing.Size(49, 20)
        Me.ToolStripMenuItem5.Text = "Edit"
        '
        'ToolStripMenuItem6
        '
        Me.ToolStripMenuItem6.Name = "ToolStripMenuItem6"
        Me.ToolStripMenuItem6.Size = New System.Drawing.Size(152, 22)
        Me.ToolStripMenuItem6.Text = "rename"
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 15.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(569, 275)
        Me.Controls.Add(Me.MenuStrip1)
        Me.IsMdiContainer = True
        Me.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
        Me.MenuStrip1.ResumeLayout(False)
        Me.MenuStrip1.PerformLayout()
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub
    Friend WithEvents MenuStrip1 As System.Windows.Forms.MenuStrip
    Friend WithEvents ToolStripMenuItem1 As System.Windows.Forms.ToolStripMenuItem
    Friend WithEvents ToolStripMenuItem2 As System.Windows.Forms.ToolStripMenuItem
    Friend WithEvents ToolStripMenuItem3 As System.Windows.Forms.ToolStripMenuItem
    Friend WithEvents ToolStripMenuItem4 As System.Windows.Forms.ToolStripMenuItem
    Friend WithEvents ToolStripMenuItem5 As System.Windows.Forms.ToolStripMenuItem
    Friend WithEvents ToolStripMenuItem6 As System.Windows.Forms.ToolStripMenuItem

End Class
Public Class Form2

    Private Sub Form2_Resize(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Resize
        TextBox1.Top = 5
        TextBox1.Left = 5
        TextBox1.Width = Me.Width - 20
        TextBox1.Height = Me.Height - 45

    End Sub
End Class

<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form2
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(12, 12)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both
        Me.TextBox1.Size = New System.Drawing.Size(294, 166)
        Me.TextBox1.TabIndex = 0
        '
        'Form2
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(318, 190)
        Me.Controls.Add(Me.TextBox1)
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
End Class








14.58.MDI
14.58.1.MDI Children Form ArrayMDI Children Form Array
14.58.2.Demonstrating the use of MDI parent and child windowsDemonstrating the use of MDI parent and child windows
14.58.3.Use a tree to manage MDI Child windowUse a tree to manage MDI Child window
14.58.4.RichText MDI EditorRichText MDI Editor
14.58.5.Add children form to parent formAdd children form to parent form
14.58.6.Open children window in menu actionOpen children window in menu action