VB.Net/Application/Text Editor

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Simple Text Editor

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 MainClass
    Shared Sub Main()
        Dim myform As Form = New TextEditor()
        Application.Run(myform)
    End Sub
End Class
Public Class TextEditor
    Public Property StatusText() As String
        Get
            Return sspStatus.Text
        End Get
        Set(ByVal value As String)
            sspStatus.Text = value
        End Set
    End Property
    Public Property EditText() As String
        Get
            Return txtEdit.Text
        End Get
        Set(ByVal value As String)
            txtEdit.Text = value
        End Set
    End Property
    Public Sub ClearEditBox()
        EditText = String.Empty
        txtEdit.ForeColor = Color.Black
        StatusText = "Text box cleared"
    End Sub
    Private Sub txtEdit_TextChanged(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles txtEdit.TextChanged
        "Reset the status bar text
        StatusText = "Ready"
    End Sub
    Private Sub tbrClear_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrClear.Click
        ClearEditBox()
    End Sub
    Public Sub RedText()
        txtEdit.ForeColor = Color.Red
        StatusText = "The text is red"
    End Sub
    Private Sub tbrRed_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrRed.Click
        RedText()
    End Sub
    Public Sub BlueText()
        txtEdit.ForeColor = Color.Blue
        StatusText = "The text is blue"
    End Sub
    Private Sub tbrBlue_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrBlue.Click
        BlueText()
    End Sub
    Public Sub UppercaseText()
        EditText = EditText.ToUpper
        StatusText = "The text is all uppercase"
    End Sub
    Private Sub tbrUpperCase_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrUpperCase.Click
        UppercaseText()
    End Sub
    Public Sub LowercaseText()
        EditText = EditText.ToLower
        StatusText = "The text is all lowercase"
    End Sub
    Private Sub tbrLowerCase_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrLowerCase.Click
        LowercaseText()
    End Sub
    Public Sub ShowAboutBox()
    End Sub
    Private Sub tbrHelpAbout_Click(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles tbrHelpAbout.Click
        ShowAboutBox()
    End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class TextEditor
    Inherits System.Windows.Forms.Form
    "Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads 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.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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
"        Dim resources As System.ruponentModel.ruponentResourceManager = New System.ruponentModel.ruponentResourceManager(GetType(TextEditor))
        Me.ToolStrip1 = New System.Windows.Forms.ToolStrip
        Me.tbrClear = New System.Windows.Forms.ToolStripButton
        Me.ToolStripSeparator1 = New System.Windows.Forms.ToolStripSeparator
        Me.tbrRed = New System.Windows.Forms.ToolStripButton
        Me.tbrBlue = New System.Windows.Forms.ToolStripButton
        Me.ToolStripSeparator2 = New System.Windows.Forms.ToolStripSeparator
        Me.tbrUpperCase = New System.Windows.Forms.ToolStripButton
        Me.tbrLowerCase = New System.Windows.Forms.ToolStripButton
        Me.ToolStripSeparator3 = New System.Windows.Forms.ToolStripSeparator
        Me.tbrHelpAbout = New System.Windows.Forms.ToolStripButton
        Me.StatusStrip1 = New System.Windows.Forms.StatusStrip
        Me.sspStatus = New System.Windows.Forms.ToolStripStatusLabel
        Me.txtEdit = New System.Windows.Forms.TextBox
        Me.ToolStrip1.SuspendLayout()
        Me.StatusStrip1.SuspendLayout()
        Me.SuspendLayout()
        "
        "ToolStrip1
        "
        Me.ToolStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.tbrClear, Me.ToolStripSeparator1, Me.tbrRed, Me.tbrBlue, Me.ToolStripSeparator2, Me.tbrUpperCase, Me.tbrLowerCase, Me.ToolStripSeparator3, Me.tbrHelpAbout})
        Me.ToolStrip1.Location = New System.Drawing.Point(0, 0)
        Me.ToolStrip1.Name = "ToolStrip1"
        Me.ToolStrip1.Size = New System.Drawing.Size(592, 25)
        Me.ToolStrip1.Stretch = True
        Me.ToolStrip1.TabIndex = 0
        Me.ToolStrip1.Text = "ToolStrip1"
        "
        "tbrClear
        "
        Me.tbrClear.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrClear.Image = CType(resources.GetObject("tbrClear.Image"), System.Drawing.Image)
        Me.tbrClear.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None
        Me.tbrClear.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrClear.Name = "tbrClear"
        Me.tbrClear.Text = "New"
        Me.tbrClear.ToolTipText = "New"
        "
        "ToolStripSeparator1
        "
        Me.ToolStripSeparator1.Name = "ToolStripSeparator1"
        "
        "tbrRed
        "
        Me.tbrRed.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrRed.Image = CType(resources.GetObject("tbrRed.Image"), System.Drawing.Image)
        Me.tbrRed.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None
        Me.tbrRed.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrRed.Name = "tbrRed"
        Me.tbrRed.Text = "Red"
        Me.tbrRed.ToolTipText = "Red"
        "
        "tbrBlue
        "
        Me.tbrBlue.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrBlue.Image = CType(resources.GetObject("tbrBlue.Image"), System.Drawing.Image)
        Me.tbrBlue.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None
        Me.tbrBlue.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrBlue.Name = "tbrBlue"
        Me.tbrBlue.Text = "Blue"
        Me.tbrBlue.ToolTipText = "Blue"
        "
        "ToolStripSeparator2
        "
        Me.ToolStripSeparator2.Name = "ToolStripSeparator2"
        "
        "tbrUpperCase
        "
        Me.tbrUpperCase.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrUpperCase.Image = CType(resources.GetObject("tbrUpperCase.Image"), System.Drawing.Image)
        Me.tbrUpperCase.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None
        Me.tbrUpperCase.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrUpperCase.Name = "tbrUpperCase"
        Me.tbrUpperCase.Text = "Upper Case"
        Me.tbrUpperCase.ToolTipText = "Upper Case"
        "
        "tbrLowerCase
        "
        Me.tbrLowerCase.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrLowerCase.Image = CType(resources.GetObject("tbrLowerCase.Image"), System.Drawing.Image)
        Me.tbrLowerCase.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None
        Me.tbrLowerCase.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrLowerCase.Name = "tbrLowerCase"
        Me.tbrLowerCase.Text = "Lower Case"
        Me.tbrLowerCase.ToolTipText = "Lower Case"
        "
        "ToolStripSeparator3
        "
        Me.ToolStripSeparator3.Name = "ToolStripSeparator3"
        "
        "tbrHelpAbout
        "
        Me.tbrHelpAbout.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image
        "Me.tbrHelpAbout.Image = CType(resources.GetObject("tbrHelpAbout.Image"), System.Drawing.Image)
        Me.tbrHelpAbout.ImageTransparentColor = System.Drawing.Color.Magenta
        Me.tbrHelpAbout.Name = "tbrHelpAbout"
        Me.tbrHelpAbout.Text = "About"
        Me.tbrHelpAbout.ToolTipText = "About"
        "
        "StatusStrip1
        "
        Me.StatusStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.sspStatus})
        Me.StatusStrip1.LayoutStyle = System.Windows.Forms.ToolStripLayoutStyle.Table
        Me.StatusStrip1.Location = New System.Drawing.Point(0, 411)
        Me.StatusStrip1.Name = "StatusStrip1"
        Me.StatusStrip1.Size = New System.Drawing.Size(592, 22)
        Me.StatusStrip1.TabIndex = 1
        Me.StatusStrip1.Text = "StatusStrip1"
        "
        "sspStatus
        "
        Me.sspStatus.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text
        Me.sspStatus.Name = "sspStatus"
        Me.sspStatus.Text = "Ready"
        "
        "txtEdit
        "
        Me.txtEdit.Dock = System.Windows.Forms.DockStyle.Fill
        Me.txtEdit.Location = New System.Drawing.Point(0, 25)
        Me.txtEdit.Multiline = True
        Me.txtEdit.Name = "txtEdit"
        Me.txtEdit.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.txtEdit.Size = New System.Drawing.Size(592, 386)
        Me.txtEdit.TabIndex = 2
        "
        "TextEditor
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(592, 433)
        Me.Controls.Add(Me.txtEdit)
        Me.Controls.Add(Me.ToolStrip1)
        Me.Controls.Add(Me.StatusStrip1)
        Me.Name = "TextEditor"
        Me.Text = "Text Editor"
        Me.ToolStrip1.ResumeLayout(False)
        Me.StatusStrip1.ResumeLayout(False)
        Me.ResumeLayout(False)
        Me.PerformLayout()
    End Sub
    Friend WithEvents ToolStrip1 As System.Windows.Forms.ToolStrip
    Friend WithEvents tbrClear As System.Windows.Forms.ToolStripButton
    Friend WithEvents ToolStripSeparator1 As System.Windows.Forms.ToolStripSeparator
    Friend WithEvents tbrRed As System.Windows.Forms.ToolStripButton
    Friend WithEvents tbrBlue As System.Windows.Forms.ToolStripButton
    Friend WithEvents ToolStripSeparator2 As System.Windows.Forms.ToolStripSeparator
    Friend WithEvents tbrUpperCase As System.Windows.Forms.ToolStripButton
    Friend WithEvents tbrLowerCase As System.Windows.Forms.ToolStripButton
    Friend WithEvents ToolStripSeparator3 As System.Windows.Forms.ToolStripSeparator
    Friend WithEvents tbrHelpAbout As System.Windows.Forms.ToolStripButton
    Friend WithEvents StatusStrip1 As System.Windows.Forms.StatusStrip
    Friend WithEvents sspStatus As System.Windows.Forms.ToolStripStatusLabel
    Friend WithEvents txtEdit As System.Windows.Forms.TextBox
End Class


TextBox based Editor

Imports System
Imports System.Data
Imports System.Collections
Imports System.Windows.Forms
Public Class MainClass
    Shared Sub Main()
        Dim form1 As Form = New TextEditor()
        Application.Run(form1)
    End Sub
End Class
Public Class TextEditor
    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 statusBar As System.Windows.Forms.StatusBar
    Friend WithEvents toolbar As System.Windows.Forms.ToolBar
    Friend WithEvents toolbarClear As System.Windows.Forms.ToolBarButton
    Friend WithEvents toolbarRed As System.Windows.Forms.ToolBarButton
    Friend WithEvents toolbarBlue As System.Windows.Forms.ToolBarButton
    Friend WithEvents toolbarUppercase As System.Windows.Forms.ToolBarButton
    Friend WithEvents toolbarLowercase As System.Windows.Forms.ToolBarButton
    Friend WithEvents toolbarHelpAbout As System.Windows.Forms.ToolBarButton
    Friend WithEvents imglstToolbar As System.Windows.Forms.ImageList
    Friend WithEvents txtEdit As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container()
       " Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(TextEditor))
        Me.statusBar = New System.Windows.Forms.StatusBar()
        Me.toolbar = New System.Windows.Forms.ToolBar()
        Me.toolbarClear = New System.Windows.Forms.ToolBarButton()
        Me.toolbarRed = New System.Windows.Forms.ToolBarButton()
        Me.toolbarBlue = New System.Windows.Forms.ToolBarButton()
        Me.toolbarUppercase = New System.Windows.Forms.ToolBarButton()
        Me.toolbarLowercase = New System.Windows.Forms.ToolBarButton()
        Me.toolbarHelpAbout = New System.Windows.Forms.ToolBarButton()
        Me.imglstToolbar = New System.Windows.Forms.ImageList(Me.ruponents)
        Me.txtEdit = New System.Windows.Forms.TextBox()
        Me.SuspendLayout()
        "
        "statusBar
        "
        Me.statusBar.Location = New System.Drawing.Point(0, 397)
        Me.statusBar.Name = "statusBar"
        Me.statusBar.Size = New System.Drawing.Size(584, 16)
        Me.statusBar.TabIndex = 2
        "
        "toolbar
        "
        Me.toolbar.Buttons.AddRange(New System.Windows.Forms.ToolBarButton() {Me.toolbarClear, Me.toolbarRed, Me.toolbarBlue, Me.toolbarUppercase, Me.toolbarLowercase, Me.toolbarHelpAbout})
        Me.toolbar.DropDownArrows = True
        Me.toolbar.ImageList = Me.imglstToolbar
        Me.toolbar.Name = "toolbar"
        Me.toolbar.ShowToolTips = True
        Me.toolbar.Size = New System.Drawing.Size(584, 39)
        Me.toolbar.TabIndex = 1
        "
        "toolbarClear
        "
        Me.toolbarClear.ImageIndex = 4
        Me.toolbarClear.Text = "Clear"
        Me.toolbarClear.ToolTipText = "Clear the text box"
        "
        "toolbarRed
        "
        Me.toolbarRed.ImageIndex = 2
        Me.toolbarRed.Text = "Red"
        Me.toolbarRed.ToolTipText = "Make the text red"
        "
        "toolbarBlue
        "
        Me.toolbarBlue.ImageIndex = 3
        Me.toolbarBlue.Text = "Blue"
        Me.toolbarBlue.ToolTipText = "Make the text blue"
        "
        "toolbarUppercase
        "
        Me.toolbarUppercase.ImageIndex = 0
        Me.toolbarUppercase.Text = "Uppercase"
        Me.toolbarUppercase.ToolTipText = "Make the text uppercase"
        "
        "toolbarLowercase
        "
        Me.toolbarLowercase.ImageIndex = 1
        Me.toolbarLowercase.Text = "Lowercase"
        Me.toolbarLowercase.ToolTipText = "Make the toolbar lowercase"
        "
        "toolbarHelpAbout
        "
        Me.toolbarHelpAbout.ImageIndex = 5
        Me.toolbarHelpAbout.Text = "About"
        Me.toolbarHelpAbout.ToolTipText = "Display the About box"
        "
        "imglstToolbar
        "
        Me.imglstToolbar.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
        Me.imglstToolbar.ImageSize = New System.Drawing.Size(16, 16)
"        Me.imglstToolbar.ImageStream = CType(resources.GetObject("imglstToolbar.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.imglstToolbar.TransparentColor = System.Drawing.Color.Transparent
        "
        "txtEdit
        "
        Me.txtEdit.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.txtEdit.Location = New System.Drawing.Point(8, 48)
        Me.txtEdit.Multiline = True
        Me.txtEdit.Name = "txtEdit"
        Me.txtEdit.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.txtEdit.Size = New System.Drawing.Size(568, 340)
        Me.txtEdit.TabIndex = 1
        Me.txtEdit.Text = ""
        "
        "TextEditor
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(584, 413)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.txtEdit, Me.toolbar, Me.statusBar})
        Me.Name = "TextEditor"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    " StatusText - set the text on the status bar...
    Public Property StatusText() As String
        Get
            Return statusBar.Text
        End Get
        Set(ByVal Value As String)
            statusBar.Text = Value
        End Set
    End Property

    " EditText - gets or sets the text that we"re editing...
    Public Property EditText() As String
        Get
            Return txtEdit.Text
        End Get
        Set(ByVal Value As String)
            txtEdit.Text = Value
            " clear the selection...
            "txtEdit.Select(0, 0)
        End Set
    End Property

    " ClearEditBox ?empties txtEdit...
    Public Sub ClearEditBox()
        " reset the EditText property...
        EditText = ""
        " reset the font color
        txtEdit.ForeColor = System.Drawing.Color.Black
        " reset the status bar...
        StatusText = "Text box cleared"
    End Sub

    Private Sub txtEdit_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles txtEdit.TextChanged
        " reset the status bar...
        StatusText = "Ready"
    End Sub

    Private Sub toolbar_ButtonClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ToolBarButtonClickEventArgs) Handles toolbar.ButtonClick
        If e.Button Is toolbarClear Then
            ClearEditBox()
        End If
        If e.Button Is toolbarRed Then
            RedText()
        End If
        If e.Button Is toolbarBlue Then
            BlueText()
        End If
        If e.Button Is toolbarUppercase Then
            UppercaseText()
        End If
        If e.Button Is toolbarLowercase Then
            LowercaseText()
        End If
        If e.Button Is toolbarHelpAbout Then
            ShowAboutBox()
        End If
    End Sub

    Public Sub UppercaseText()
        EditText = EditText.ToUpper
        StatusText = "The text is all uppercase"
    End Sub
    Public Sub LowercaseText()
        EditText = EditText.ToLower
        StatusText = "The text is all lowercase"
    End Sub
    Public Sub RedText()
        txtEdit.ForeColor = System.Drawing.Color.Red
        StatusText = "The text is red"
    End Sub
    Public Sub BlueText()
        txtEdit.ForeColor = System.Drawing.Color.Blue
        StatusText = "The text is blue"
    End Sub

    Public Sub ShowAboutBox()
        MessageBox.Show("About")
    End Sub

    Protected Overrides Sub Finalize()
        MyBase.Finalize()
    End Sub
End Class
Источник — «http://vbex.ru/index.php?title=VB.Net/Application/Text_Editor&oldid=3»