VB.Net/Application/Text Editor

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Simple Text Editor

<source lang="vbnet"> 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

      </source>


TextBox based Editor

<source lang="vbnet"> 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
  1. 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
  1. 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

      </source>