VB.Net/GUI/TextBox

Bind String Array into TextBox

Imports System
Imports System.Data
Imports System.Windows.Forms

public class MainClass
   Shared Sub Main()
       Dim form1 As Form = New Form1
       Application.Run(form1)
   End Sub
End Class
Public Class Form1
    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 TextBox1 As System.Windows.Forms.TextBox
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.TextBox1 = New System.Windows.Forms.TextBox
      Me.SuspendLayout()
      "
      "TextBox1
      "
      Me.TextBox1.Location = New System.Drawing.Point(8, 8)
      Me.TextBox1.Name = "TextBox1"
      Me.TextBox1.Size = New System.Drawing.Size(160, 20)
      Me.TextBox1.TabIndex = 0
      Me.TextBox1.Text = "TextBox1"
      "
      "Form1
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(184, 37)
      Me.Controls.Add(Me.TextBox1)
      Me.Name = "Form1"
      Me.Text = "Form1"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
      Dim carDetails() As String = _
         {"Ferrari", "Red", "F355", "1965", "?25,000"}
      TextBox1.DataBindings.Add("text", carDetails, "")
   End Sub
End Class

Disable the Context Menu for a TextBox

Imports System
Imports System.Runtime.InteropServices
Imports System.Drawing
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.IO
Public Class MainClass
    
    Shared Sub Main(ByVal args As String())
        Dim myform As Form = New Form1()
        Application.Run(myform)
    End Sub
End Class

Public Class Form1
    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim text_box As New NoContextMenuTextBox
        text_box.Location = New Point(TextBox1.Left, TextBox1.Top + TextBox1.Height + 4)
        text_box.Size = TextBox1.Size
        Me.Controls.Add(text_box)
    End Sub
End Class
Public Class NoContextMenuTextBox
    Inherits System.Windows.Forms.TextBox
    Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
        Const WM_CONTEXTMENU As Integer = &H7B
        If m.Msg <> WM_CONTEXTMENU Then
            MyBase.WndProc(m)
        End If
    End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public 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.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()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(16, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(120, 20)
        Me.TextBox1.TabIndex = 0
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(156, 102)
        Me.Controls.Add(Me.TextBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
        Me.PerformLayout()
    End Sub
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
End Class

Save What is in TextBox to Text File

Imports System.Windows.Forms
Imports System.IO

Module Module1
    Sub Main()
        Application.Run(New Form1)
    End Sub
End Module

Public Class Form1
    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 TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(24, 24)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(288, 248)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(128, 296)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Save"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(336, 349)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.TextBox1})
        Me.Name = "Form1"
        Me.Text = "TextBoxInput"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim TargetFile As StreamWriter
        Try
            TargetFile = New StreamWriter("test.txt", True)
        Catch
            MessageBox.Show("Error opening " & "test.txt")
        End Try
        Try
            TargetFile.WriteLine(Now())
            TargetFile.Write(TextBox1.Text)
            TargetFile.WriteLine()
            TargetFile.WriteLine()
        Catch
            MessageBox.Show("Error writing file")
        End Try
        TargetFile.Close()
        MessageBox.Show("Text saved to " & "test.txt")
    End Sub
End Class

Set TextBox Text

Imports System.Windows.Forms

Module Module1
    Sub Main()
        Application.Run(New Form1)
    End Sub
End Module


Public Class Form1
    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 TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents DateTimePicker1 As System.Windows.Forms.DateTimePicker
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.DateTimePicker1 = New System.Windows.Forms.DateTimePicker()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(32, 40)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(408, 208)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        "
        "DateTimePicker1
        "
        Me.DateTimePicker1.Location = New System.Drawing.Point(128, 264)
        Me.DateTimePicker1.Name = "DateTimePicker1"
        Me.DateTimePicker1.TabIndex = 1
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(168, 312)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(112, 23)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "Get Time"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(472, 349)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.DateTimePicker1, Me.TextBox1})
        Me.Name = "Form1"
        Me.Text = "FilesSince"
        Me.ResumeLayout(False)
    End Sub
#End Region


    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        TextBox1.AppendText(DateTimePicker1.Value.ToString & " ")
    End Sub
End Class

TextBox KeyPressed Event

Imports System
Imports System.Collections
Imports System.Data
Imports System.IO
Imports System.Xml.Serialization
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Drawing.Printing

Public Class MainClass
    Shared Sub Main()
       Dim form1 As Form = New Form1()
       Application.Run(form1) 
    End Sub
End Class


Public Class Form1
    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
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.Container
    "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.Label1 = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        "
        "TextBox1
        "
        Me.TextBox1.Font = New System.Drawing.Font("Microsoft Sans Serif", 10.2!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.TextBox1.Location = New System.Drawing.Point(48, 104)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(192, 27)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 10.2!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(24, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(232, 48)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "Type somthing"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
        Me.ClientSize = New System.Drawing.Size(292, 268)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.TextBox1})
        Me.Name = "Form1"
        Me.Text = "Key Event Examples"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
    End Sub
    Private Sub TextBox1_KeyPress(ByVal sender As Object, _
            ByVal e As System.Windows.Forms.KeyPressEventArgs) _
            Handles TextBox1.KeyPress
        MessageBox.Show("KeyPress")
        e.Handled = True
    End Sub
    
End Class

TextBox Text changed event

Imports System
Imports System.Collections
Imports System.Data
Imports System.IO
Imports System.Xml.Serialization
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Drawing.Printing

Public Class MainClass
    Shared Sub Main()
       Dim form1 As Form = New Form1()
       Application.Run(form1) 
    End Sub
End Class


Public Class Form1
    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
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.Container
    "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.Label1 = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        "
        "TextBox1
        "
        Me.TextBox1.Font = New System.Drawing.Font("Microsoft Sans Serif", 10.2!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.TextBox1.Location = New System.Drawing.Point(48, 104)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(192, 27)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 10.2!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(24, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(232, 48)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "Type somthing"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
        Me.ClientSize = New System.Drawing.Size(292, 268)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.TextBox1})
        Me.Name = "Form1"
        Me.Text = "Key Event Examples"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
         MessageBox.Show("Text Changed")
    End Sub

End Class