In this blog we will know about progressbar control and
timer control. We must have noticed while installing certain software programs
a progressbar goes on increasing and time goes on decreasing simultaneously.
Public Class
Form1
Inherits System.Windows.Forms.Form
Dim i As
Integer = 0
Dim j As
Integer = 0
#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.ComponentModel.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
Label1 As System.Windows.Forms.Label
Friend WithEvents
ProgressBar1 As
System.Windows.Forms.ProgressBar
Friend WithEvents
btninstal As System.Windows.Forms.Button
Friend WithEvents
btncancel As System.Windows.Forms.Button
Friend WithEvents
Label2 As System.Windows.Forms.Label
Friend WithEvents
Timer1 As System.Windows.Forms.Timer
<System.Diagnostics.DebuggerStepThrough()> Private Sub
InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.Label1 = New System.Windows.Forms.Label
Me.ProgressBar1 = New System.Windows.Forms.ProgressBar
Me.btninstal = New System.Windows.Forms.Button
Me.btncancel = New System.Windows.Forms.Button
Me.Label2 = New System.Windows.Forms.Label
Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
Me.SuspendLayout()
'
'Label1
'
Me.Label1.BackColor =
System.Drawing.Color.Yellow
Me.Label1.Font = New System.Drawing.Font("Microsoft
Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point,
CType(0, Byte))
Me.Label1.ForeColor =
System.Drawing.Color.Red
Me.Label1.Location = New System.Drawing.Point(32, 32)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(216, 23)
Me.Label1.TabIndex = 0
'
'ProgressBar1
'
Me.ProgressBar1.BackColor =
System.Drawing.Color.FromArgb(CType(CType(255, Byte), Integer), CType(CType(128, Byte), Integer), CType(CType(0, Byte), Integer))
Me.ProgressBar1.ForeColor =
System.Drawing.Color.Cyan
Me.ProgressBar1.Location = New System.Drawing.Point(24, 96)
Me.ProgressBar1.Name = "ProgressBar1"
Me.ProgressBar1.Size = New System.Drawing.Size(248, 16)
Me.ProgressBar1.TabIndex =
1
'
'btninstal
'
Me.btninstal.Location = New System.Drawing.Point(24, 208)
Me.btninstal.Name = "btninstal"
Me.btninstal.Size = New System.Drawing.Size(75, 23)
Me.btninstal.TabIndex = 2
Me.btninstal.Text = "Instal"
'
'btncancel
'
Me.btncancel.Location = New System.Drawing.Point(176, 208)
Me.btncancel.Name = "btncancel"
Me.btncancel.Size = New System.Drawing.Size(75, 23)
Me.btncancel.TabIndex = 3
Me.btncancel.Text = "Cancel"
'
'Label2
'
Me.Label2.Location = New System.Drawing.Point(24, 144)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(248, 23)
Me.Label2.TabIndex = 4
'
'Timer1
'
Me.Timer1.Interval = 500
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.Add(Me.Label2)
Me.Controls.Add(Me.btncancel)
Me.Controls.Add(Me.btninstal)
Me.Controls.Add(Me.ProgressBar1)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub btninstal_Click(ByVal sender As System.Object, ByVal
e As System.EventArgs) Handles
btninstal.Click
Timer1.Enabled = True
Label2.Visible = True
End Sub
Private Sub btncancel_Click(ByVal sender As System.Object, ByVal
e As System.EventArgs) Handles
btncancel.Click
End
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal
e As System.EventArgs) Handles
Timer1.Tick
ProgressBar1.Value = i
Label1.Text = "Time Remaining:"
+ CStr(50 - j) + "Seconds"
i = i + 2
j = j + 1
If i > 100 Then
Timer1.Enabled = False
MsgBox("Instalation
Completed")
End If
End Sub
End Class
Thanks for reading