form1.vb

编程之道VB.NETt程序设计入门-589M.zip

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写处置以清理组件列表。
    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

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
    Friend WithEvents mnNewForm As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    Friend WithEvents mnHorizontally As System.Windows.Forms.MenuItem
    Friend WithEvents mnVertically As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.MainMenu1 = New System.Windows.Forms.MainMenu()
        Me.mnNewForm = New System.Windows.Forms.MenuItem()
        Me.MenuItem2 = New System.Windows.Forms.MenuItem()
        Me.mnHorizontally = New System.Windows.Forms.MenuItem()
        Me.mnVertically = New System.Windows.Forms.MenuItem()
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mnNewForm, Me.MenuItem2})
        '
        'mnNewForm
        '
        Me.mnNewForm.Index = 0
        Me.mnNewForm.Text = "新建子窗体"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 1
        Me.MenuItem2.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mnHorizontally, Me.mnVertically})
        Me.MenuItem2.Text = "排列子窗体"
        '
        'mnHorizontally
        '
        Me.mnHorizontally.Index = 0
        Me.mnHorizontally.Text = "水平平铺"
        '
        'mnVertically
        '
        Me.mnVertically.Index = 1
        Me.mnVertically.Text = "垂直平铺"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(368, 249)
        Me.IsMdiContainer = True
        Me.Menu = Me.MainMenu1
        Me.Name = "Form1"
        Me.Text = "Form1"

    End Sub

#End Region

    Private Sub mnNewForm_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnNewForm.Click
        Dim objChild As New Form2()
        objChild.MdiParent = Me
        objChild.Show()
    End Sub

    Private Sub mnHorizontally_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnHorizontally.Click
        Dim iChildHeight, iChildWidth, iCounter As Integer
        Dim iChildrenNum As Integer = Me.MdiChildren.Length
        Dim objChild As Form

        If iChildrenNum = 0 Then Exit Sub

        iChildHeight = Me.ClientSize.Height / iChildrenNum - 2
        iChildWidth = Me.ClientSize.Width - 5
        iCounter = 0

        For Each objChild In Me.MdiChildren
            objChild.Width = iChildWidth
            objChild.Height = iChildHeight
            objChild.Left = 0
            objChild.Top = iCounter * iChildHeight

            iCounter += 1
        Next
    End Sub

    Private Sub mnVertically_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnVertically.Click
        Dim iChildHeight, iChildWidth, iCounter As Integer
        Dim iChildrenNum As Integer = Me.MdiChildren.Length
        Dim objChild As Form

        If iChildrenNum = 0 Then Exit Sub

        iChildHeight = Me.ClientSize.Height - 5
        iChildWidth = Me.ClientSize.Width / iChildrenNum - 2
        iCounter = 0

        For Each objChild In Me.MdiChildren
            objChild.Width = iChildWidth
            objChild.Height = iChildHeight
            objChild.Left = iCounter * iChildWidth
            objChild.Top = 0

            iCounter += 1
        Next
    End Sub
End Class