VB.Net/GUI/Progress Bar

Prograss Bar Demo

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 ProgressBar1 As System.Windows.Forms.ProgressBar
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents StatusBar1 As System.Windows.Forms.StatusBar
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ProgressBar1 = New System.Windows.Forms.ProgressBar()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.StatusBar1 = New System.Windows.Forms.StatusBar()
        Me.SuspendLayout()
        "
        "ProgressBar1
        "
        Me.ProgressBar1.Location = New System.Drawing.Point(24, 160)
        Me.ProgressBar1.Name = "ProgressBar1"
        Me.ProgressBar1.Size = New System.Drawing.Size(408, 23)
        Me.ProgressBar1.TabIndex = 3
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(328, 32)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(112, 23)
        Me.Button1.TabIndex = 4
        Me.Button1.Text = "Calculate"
        "
        "StatusBar1
        "
        Me.StatusBar1.Location = New System.Drawing.Point(0, 207)
        Me.StatusBar1.Name = "StatusBar1"
        Me.StatusBar1.Size = New System.Drawing.Size(456, 22)
        Me.StatusBar1.TabIndex = 5
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(456, 229)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.StatusBar1, Me.Button1, Me.ProgressBar1})
        Me.Name = "Form1"
        Me.Text = "UseProgressBar"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Function Factorial(ByVal Value As Double) As Double
        If (Value = 0) Then
            Factorial = 1.0
            System.Threading.Thread.Sleep(3000)
        Else
            Factorial = Value * Factorial(Math.Ceiling(Value - 1))
        End If
    End Function
    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        StatusBar1.Text = "Calculating Factorial(10)"
        Factorial(10)
        ProgressBar1.Value = 33
        StatusBar1.Text = "Calculating Factorial(20)"
        Factorial(20)
        ProgressBar1.Value = 66
        StatusBar1.Text = "Calculating Factorial(30)"
        Factorial(30)
        ProgressBar1.Value = 100
        StatusBar1.Text = "Done"
    End Sub
End Class

ProgressBar control

Imports System
Imports System.Collections
Imports System.Data
Imports System.Drawing
Imports System.Windows.Forms
Imports System.ruponentModel
Imports System.Drawing.Drawing2D
Imports System.IO
Public Class MainClass
    
    Shared Sub Main()
        Dim form1 As Form = New Form1
        Application.Run(form1)

    End Sub
End Class

Public Class Progress
    Inherits System.Windows.Forms.UserControl
#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
    "UserControl 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 Bar As System.Windows.Forms.ProgressBar
    Friend WithEvents lblProgress As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Bar = New System.Windows.Forms.ProgressBar()
        Me.lblProgress = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        "
        "Bar
        "
        Me.Bar.Anchor = ((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.Bar.Location = New System.Drawing.Point(4, 8)
        Me.Bar.Name = "Bar"
        Me.Bar.Size = New System.Drawing.Size(154, 32)
        Me.Bar.TabIndex = 0
        "
        "lblProgress
        "
        Me.lblProgress.Anchor = ((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.lblProgress.Location = New System.Drawing.Point(4, 48)
        Me.lblProgress.Name = "lblProgress"
        Me.lblProgress.Size = New System.Drawing.Size(152, 16)
        Me.lblProgress.TabIndex = 1
        Me.lblProgress.Text = "0% Done"
        Me.lblProgress.TextAlign = System.Drawing.ContentAlignment.TopCenter
        "
        "Progress
        "
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblProgress, Me.Bar})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "Progress"
        Me.Size = New System.Drawing.Size(164, 68)
        Me.ResumeLayout(False)
    End Sub
#End Region
    Property Value() As Integer
        Get
            Return Bar.Value
        End Get
        Set(ByVal Value As Integer)
            Bar.Value = Value
            UpdateLabel()
        End Set
    End Property
    Property Maximum() As Integer
        Get
            Return Bar.Maximum
        End Get
        Set(ByVal Value As Integer)
            Bar.Maximum = Value
        End Set
    End Property
    Property [Step]() As Integer
        Get
            Return Bar.Step
        End Get
        Set(ByVal Value As Integer)
            Bar.Step = Value
        End Set
    End Property
    Public Sub PerformStep()
        Bar.PerformStep()
        UpdateLabel()
    End Sub
    Private Sub UpdateLabel()
        lblProgress.Text = ((Bar.Value * 100) \ Bar.Maximum).ToString() & "% Done"
    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 Status As Progress
    Friend WithEvents cmdStart As System.Windows.Forms.Button
    Friend WithEvents tmrIncrementBar As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container()
        Me.Status = New Progress()
        Me.cmdStart = New System.Windows.Forms.Button()
        Me.tmrIncrementBar = New System.Windows.Forms.Timer(Me.ruponents)
        Me.SuspendLayout()
        "
        "Status
        "
        Me.Status.Anchor = ((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.Status.BackColor = System.Drawing.SystemColors.Control
        Me.Status.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Status.Location = New System.Drawing.Point(4, 16)
        Me.Status.Maximum = 100
        Me.Status.Name = "Status"
        Me.Status.Size = New System.Drawing.Size(284, 88)
        Me.Status.Step = 10
        Me.Status.TabIndex = 0
        Me.Status.Value = 0
        "
        "cmdStart
        "
        Me.cmdStart.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.cmdStart.Location = New System.Drawing.Point(92, 140)
        Me.cmdStart.Name = "cmdStart"
        Me.cmdStart.Size = New System.Drawing.Size(108, 24)
        Me.cmdStart.TabIndex = 1
        Me.cmdStart.Text = "Start"
        "
        "tmrIncrementBar
        "
        Me.tmrIncrementBar.Interval = 1000
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(292, 174)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdStart, Me.Status})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "Form1"
        Me.Text = "Progress Host"
        Me.ResumeLayout(False)
    End Sub
#End Region

    Private Sub tmrIncrementBar_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrIncrementBar.Tick
        Status.PerformStep()
        If Status.Maximum = Status.Value Then tmrIncrementBar.Enabled = False
    End Sub
    Private Sub cmdStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdStart.Click
        tmrIncrementBar.Enabled = False
        Status.Value = 0
        Status.Maximum = 20
        Status.Step = 1
        tmrIncrementBar.Enabled = True
    End Sub
 
End Class

Progress Bar Demo: set Value and Step

Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Diagnostics
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
    Private Sub btnGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGo.Click
        ProgressBar1.Step = 21
        ProgressBar1.Value = 0
        btnGo.Enabled = False
        Timer1.Enabled = True
    End Sub
    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        ProgressBar1.PerformStep()
        If ProgressBar1.Value >= ProgressBar1.Maximum Then
            Timer1.Enabled = False
            btnGo.Enabled = True
        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 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()
        Me.ruponents = New System.ruponentModel.Container
        Me.ProgressBar1 = New System.Windows.Forms.ProgressBar
        Me.btnGo = New System.Windows.Forms.Button
        Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
        Me.SuspendLayout()
        "
        "ProgressBar1
        "
        Me.ProgressBar1.Location = New System.Drawing.Point(16, 48)
        Me.ProgressBar1.Name = "ProgressBar1"
        Me.ProgressBar1.Size = New System.Drawing.Size(248, 16)
        Me.ProgressBar1.TabIndex = 3
        "
        "btnGo
        "
        Me.btnGo.Location = New System.Drawing.Point(16, 16)
        Me.btnGo.Name = "btnGo"
        Me.btnGo.Size = New System.Drawing.Size(48, 24)
        Me.btnGo.TabIndex = 2
        Me.btnGo.Text = "Go"
        "
        "Timer1
        "
        Me.Timer1.Interval = 250
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(282, 86)
        Me.Controls.Add(Me.ProgressBar1)
        Me.Controls.Add(Me.btnGo)
        Me.Name = "Form1"
        Me.Text = "UseProgressBar"
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar
    Friend WithEvents btnGo As System.Windows.Forms.Button
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
End Class