VB.Net/Development/Timer

Long Operation with Timer and Wait Cursor

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 New Form1()
        Application.Run(myform)            
    End Sub
End Class
Public Class Form1
    Private Sub btnGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGo.Click
        Me.Cursor = Cursors.WaitCursor
        tmrLongTask.Enabled = True
        btnGo.Enabled = False
        " refresh everything.
        Application.DoEvents()
    End Sub
    Private Sub tmrLongTask_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrLongTask.Tick
        tmrLongTask.Enabled = False
        Me.Cursor = Cursors.Default
        btnGo.Enabled = True
    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.btnGo = New System.Windows.Forms.Button
        Me.tmrLongTask = New System.Windows.Forms.Timer(Me.ruponents)
        Me.SuspendLayout()
        "
        "btnGo
        "
        Me.btnGo.Location = New System.Drawing.Point(16, 16)
        Me.btnGo.Name = "btnGo"
        Me.btnGo.Size = New System.Drawing.Size(180, 23)
        Me.btnGo.TabIndex = 0
        Me.btnGo.Text = "Start Waiting for 3 Seconds"
        "
        "tmrLongTask
        "
        Me.tmrLongTask.Interval = 3000
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.Add(Me.btnGo)
        Me.Name = "Form1"
        Me.Text = "UseWaitCursor"
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents btnGo As System.Windows.Forms.Button
    Friend WithEvents tmrLongTask As System.Windows.Forms.Timer
End Class

Timer: by tenth second, second and ten seconds

Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Data.SqlClient
public class MainClass
   Shared Sub Main()
       Dim form1 As Form = New Form1
       Application.Run(form1)
   End Sub
End Class

Public Class Form1
    Private Sub tmrTenthSecond_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrTenthSecond.Tick
        lblTenthSecond.Text = Now.ToString("hh:mm:ss.f")
    End Sub
    Private Sub tmrSecond_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrSecond.Tick
        lblSeconds.Text = Now.ToString("hh:mm:ss")
    End Sub
    Private Sub tmrTenSeconds_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tmrTenSeconds.Tick
        lblTenSeconds.Text = Now.ToString("hh:mm:ss")
    End Sub
    " Display initial times.
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        lblTenthSecond.Text = Now.ToString("hh:mm:ss.f")
        lblSeconds.Text = Now.ToString("hh:mm:ss")
        lblTenSeconds.Text = Now.ToString("hh:mm:ss")
    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.tmrTenthSecond = New System.Windows.Forms.Timer(Me.ruponents)
        Me.tmrSecond = New System.Windows.Forms.Timer(Me.ruponents)
        Me.tmrTenSeconds = New System.Windows.Forms.Timer(Me.ruponents)
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.lblTenthSecond = New System.Windows.Forms.Label
        Me.lblSeconds = New System.Windows.Forms.Label
        Me.lblTenSeconds = New System.Windows.Forms.Label
        Me.SuspendLayout()
        "
        "tmrTenthSecond
        "
        Me.tmrTenthSecond.Enabled = True
        "
        "tmrSecond
        "
        Me.tmrSecond.Enabled = True
        Me.tmrSecond.Interval = 1000
        "
        "tmrTenSeconds
        "
        Me.tmrTenSeconds.Enabled = True
        Me.tmrTenSeconds.Interval = 10000
        "
        "Label1
        "
        Me.Label1.AutoSize = True
        Me.Label1.Location = New System.Drawing.Point(8, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(46, 13)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "1/10 sec"
        "
        "Label2
        "
        Me.Label2.AutoSize = True
        Me.Label2.Location = New System.Drawing.Point(8, 32)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(29, 13)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "1 sec"
        "
        "Label3
        "
        Me.Label3.AutoSize = True
        Me.Label3.Location = New System.Drawing.Point(8, 56)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(35, 13)
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "10 sec"
        "
        "lblTenthSecond
        "
        Me.lblTenthSecond.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.lblTenthSecond.Location = New System.Drawing.Point(72, 8)
        Me.lblTenthSecond.Name = "lblTenthSecond"
        Me.lblTenthSecond.Size = New System.Drawing.Size(80, 16)
        Me.lblTenthSecond.TabIndex = 3
        "
        "lblSeconds
        "
        Me.lblSeconds.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.lblSeconds.Location = New System.Drawing.Point(72, 32)
        Me.lblSeconds.Name = "lblSeconds"
        Me.lblSeconds.Size = New System.Drawing.Size(80, 16)
        Me.lblSeconds.TabIndex = 4
        "
        "lblTenSeconds
        "
        Me.lblTenSeconds.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.lblTenSeconds.Location = New System.Drawing.Point(72, 56)
        Me.lblTenSeconds.Name = "lblTenSeconds"
        Me.lblTenSeconds.Size = New System.Drawing.Size(80, 16)
        Me.lblTenSeconds.TabIndex = 5
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(167, 88)
        Me.Controls.Add(Me.lblTenSeconds)
        Me.Controls.Add(Me.lblSeconds)
        Me.Controls.Add(Me.lblTenthSecond)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form1"
        Me.Text = "UseTimer"
        Me.ResumeLayout(False)
        Me.PerformLayout()
    End Sub
    Friend WithEvents tmrTenthSecond As System.Windows.Forms.Timer
    Friend WithEvents tmrSecond As System.Windows.Forms.Timer
    Friend WithEvents tmrTenSeconds As System.Windows.Forms.Timer
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents lblTenthSecond As System.Windows.Forms.Label
    Friend WithEvents lblSeconds As System.Windows.Forms.Label
    Friend WithEvents lblTenSeconds As System.Windows.Forms.Label
End Class