VB.Net/GUI/Control Inheritance

Материал из VB Эксперт
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Add components to inherited form

Imports System
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources
Imports System.Drawing
Imports System.Drawing.Drawing2D
Public Class BaseForm
    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.ruponentModel.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 menuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents fileExitMenuItem As System.Windows.Forms.MenuItem
    Protected WithEvents statusBar As System.Windows.Forms.StatusBar
    Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem
    Friend WithEvents helpAboutMenuItem As System.Windows.Forms.MenuItem
    Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.menuItem1 = New System.Windows.Forms.MenuItem()
        Me.fileExitMenuItem = New System.Windows.Forms.MenuItem()
        Me.statusBar = New System.Windows.Forms.StatusBar()
        Me.menuItem3 = New System.Windows.Forms.MenuItem()
        Me.helpAboutMenuItem = New System.Windows.Forms.MenuItem()
        Me.mainMenu1 = New System.Windows.Forms.MainMenu()
        Me.SuspendLayout()
        "
        "menuItem1
        "
        Me.menuItem1.Index = 0
        Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.fileExitMenuItem})
        Me.menuItem1.Text = "&File"
        "
        "fileExitMenuItem
        "
        Me.fileExitMenuItem.Index = 0
        Me.fileExitMenuItem.Text = "E&xit"
        "
        "statusBar
        "
        Me.statusBar.Location = New System.Drawing.Point(0, 72)
        Me.statusBar.Name = "statusBar"
        Me.statusBar.Size = New System.Drawing.Size(176, 22)
        Me.statusBar.TabIndex = 1
        Me.statusBar.Text = "Ready"
        "
        "menuItem3
        "
        Me.menuItem3.Index = 1
        Me.menuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.helpAboutMenuItem})
        Me.menuItem3.Text = "&Help"
        "
        "helpAboutMenuItem
        "
        Me.helpAboutMenuItem.Index = 0
        Me.helpAboutMenuItem.Text = "&About..."
        "
        "mainMenu1
        "
        Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem3})
        "
        "BaseForm
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(176, 94)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar})
        Me.Menu = Me.mainMenu1
        Me.Name = "BaseForm"
        Me.Text = "BaseForm"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub fileExitMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles fileExitMenuItem.Click
        Me.Close()
    End Sub
    Private Sub helpAboutMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles helpAboutMenuItem.Click
        MessageBox.Show("Message?", "About")
    End Sub
End Class

Public Class ExplorerForm
    Inherits BaseForm
#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.ruponentModel.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 treeView1 As System.Windows.Forms.TreeView
    Friend WithEvents splitter1 As System.Windows.Forms.Splitter
    Friend WithEvents listView1 As System.Windows.Forms.ListView
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim ListViewItem1 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Derives from BaseForm", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Dim ListViewItem2 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Overrides Text property", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Dim ListViewItem3 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Overrides Size property", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Dim ListViewItem4 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a TreeView control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Dim ListViewItem5 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a Splitter control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Dim ListViewItem6 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem(New System.Windows.Forms.ListViewItem.ListViewSubItem() {New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing, "-Adds a ListView control", System.Drawing.SystemColors.WindowText, System.Drawing.SystemColors.Window, New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)))}, -1)
        Me.treeView1 = New System.Windows.Forms.TreeView()
        Me.splitter1 = New System.Windows.Forms.Splitter()
        Me.listView1 = New System.Windows.Forms.ListView()
        Me.SuspendLayout()
        "
        "statusBar
        "
        Me.statusBar.Location = New System.Drawing.Point(0, 123)
        Me.statusBar.Size = New System.Drawing.Size(280, 22)
        Me.statusBar.Visible = True
        "
        "treeView1
        "
        Me.treeView1.Dock = System.Windows.Forms.DockStyle.Left
        Me.treeView1.ImageIndex = -1
        Me.treeView1.Name = "treeView1"
        Me.treeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node0"), New System.Windows.Forms.TreeNode("Node1", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node4", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node5", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node6")})})}), New System.Windows.Forms.TreeNode("Node2"), New System.Windows.Forms.TreeNode("Node3")})
        Me.treeView1.SelectedImageIndex = -1
        Me.treeView1.Size = New System.Drawing.Size(121, 123)
        Me.treeView1.TabIndex = 2
        "
        "splitter1
        "
        Me.splitter1.Location = New System.Drawing.Point(121, 0)
        Me.splitter1.Name = "splitter1"
        Me.splitter1.Size = New System.Drawing.Size(3, 123)
        Me.splitter1.TabIndex = 3
        Me.splitter1.TabStop = False
        "
        "listView1
        "
        Me.listView1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.listView1.Items.AddRange(New System.Windows.Forms.ListViewItem() {ListViewItem1, ListViewItem2, ListViewItem3, ListViewItem4, ListViewItem5, ListViewItem6})
        Me.listView1.Location = New System.Drawing.Point(124, 0)
        Me.listView1.Name = "listView1"
        Me.listView1.Size = New System.Drawing.Size(156, 123)
        Me.listView1.TabIndex = 4
        Me.listView1.View = System.Windows.Forms.View.List
        "
        "ExplorerForm
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(280, 145)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.listView1, Me.splitter1, Me.treeView1, Me.statusBar})
        Me.Name = "ExplorerForm"
        Me.ResumeLayout(False)
    End Sub
#End Region
End Class

Public Class MainClass
    Shared Sub Main()
        Dim myform As Form = New ExplorerForm()
        Application.Run(myform)
    End Sub
End Class


Inherits from Base Form

Imports System
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources
Imports System.Drawing
Imports System.Drawing.Drawing2D
Public Class BaseForm
    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.ruponentModel.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 menuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents fileExitMenuItem As System.Windows.Forms.MenuItem
    Protected WithEvents statusBar As System.Windows.Forms.StatusBar
    Friend WithEvents menuItem3 As System.Windows.Forms.MenuItem
    Friend WithEvents helpAboutMenuItem As System.Windows.Forms.MenuItem
    Friend WithEvents mainMenu1 As System.Windows.Forms.MainMenu
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.menuItem1 = New System.Windows.Forms.MenuItem()
        Me.fileExitMenuItem = New System.Windows.Forms.MenuItem()
        Me.statusBar = New System.Windows.Forms.StatusBar()
        Me.menuItem3 = New System.Windows.Forms.MenuItem()
        Me.helpAboutMenuItem = New System.Windows.Forms.MenuItem()
        Me.mainMenu1 = New System.Windows.Forms.MainMenu()
        Me.SuspendLayout()
        "
        "menuItem1
        "
        Me.menuItem1.Index = 0
        Me.menuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.fileExitMenuItem})
        Me.menuItem1.Text = "&File"
        "
        "fileExitMenuItem
        "
        Me.fileExitMenuItem.Index = 0
        Me.fileExitMenuItem.Text = "E&xit"
        "
        "statusBar
        "
        Me.statusBar.Location = New System.Drawing.Point(0, 72)
        Me.statusBar.Name = "statusBar"
        Me.statusBar.Size = New System.Drawing.Size(176, 22)
        Me.statusBar.TabIndex = 1
        Me.statusBar.Text = "Ready"
        "
        "menuItem3
        "
        Me.menuItem3.Index = 1
        Me.menuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.helpAboutMenuItem})
        Me.menuItem3.Text = "&Help"
        "
        "helpAboutMenuItem
        "
        Me.helpAboutMenuItem.Index = 0
        Me.helpAboutMenuItem.Text = "&About..."
        "
        "mainMenu1
        "
        Me.mainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.menuItem1, Me.menuItem3})
        "
        "BaseForm
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(176, 94)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar})
        Me.Menu = Me.mainMenu1
        Me.Name = "BaseForm"
        Me.Text = "BaseForm"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub fileExitMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles fileExitMenuItem.Click
        Me.Close()
    End Sub
    Private Sub helpAboutMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles helpAboutMenuItem.Click
        MessageBox.Show("Message?", "About")
    End Sub
End Class

Public Class EditorForm
    Inherits BaseForm
#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.ruponentModel.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 textBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.textBox1 = New System.Windows.Forms.TextBox()
        Me.SuspendLayout()
        "
        "statusBar
        "
        Me.statusBar.Location = New System.Drawing.Point(0, 71)
        Me.statusBar.Text = "Text on a status bar"
        Me.statusBar.Visible = True
        "
        "textBox1
        "
        Me.textBox1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.textBox1.Multiline = True
        Me.textBox1.Name = "textBox1"
        Me.textBox1.Size = New System.Drawing.Size(176, 71)
        Me.textBox1.TabIndex = 2
        Me.textBox1.Text = "Text in a text box."
        "
        "EditorForm
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(176, 93)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.textBox1, Me.statusBar})
        Me.Name = "EditorForm"
        Me.Text = "EditorForm"
        Me.ResumeLayout(False)
    End Sub
#End Region
End Class

Public Class MainClass
    Shared Sub Main()
        Dim myform As Form = New EditorForm()
        Application.Run(myform)
    End Sub
End Class
Источник — «http://vbex.ru/index.php?title=VB.Net/GUI/Control_Inheritance&oldid=565»