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.CompilerServices.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.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. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Me.ProgressBar1 = New System.Windows.Forms.ProgressBar Me.btnGo = New System.Windows.Forms.Button Me.Timer1 = New System.Windows.Forms.Timer(Me.components) 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
1. | ProgressBar control | ||
2. | Prograss Bar Demo |