VB.Net Tutorial/GUI/ProgressBar — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 15:56, 26 мая 2010
Содержание
Four ProgressBars
<source lang="vbnet">Imports System.Windows.Forms public class ProgressBarDemo
public Shared Sub Main Application.Run(New Form1) End Sub
End class Public Class Form1
Inherits System.Windows.Forms.Form Public Sub New() MyBase.New() InitializeComponent() End Sub 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 Private components As System.ruponentModel.IContainer 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 Label4 As System.Windows.Forms.Label Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar Friend WithEvents ProgressBar2 As System.Windows.Forms.ProgressBar Friend WithEvents ProgressBar3 As System.Windows.Forms.ProgressBar Friend WithEvents ProgressBar4 As System.Windows.Forms.ProgressBar Friend WithEvents Button1 As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.Label1 = New System.Windows.Forms.Label Me.Label2 = New System.Windows.Forms.Label Me.Label3 = New System.Windows.Forms.Label Me.Label4 = New System.Windows.Forms.Label Me.ProgressBar1 = New System.Windows.Forms.ProgressBar Me.ProgressBar2 = New System.Windows.Forms.ProgressBar Me.ProgressBar3 = New System.Windows.Forms.ProgressBar Me.ProgressBar4 = New System.Windows.Forms.ProgressBar Me.Button1 = New System.Windows.Forms.Button Me.SuspendLayout() " "Label1 " Me.Label1.Location = New System.Drawing.Point(24, 24) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(40, 24) Me.Label1.TabIndex = 0 " "Label2 " Me.Label2.Location = New System.Drawing.Point(24, 56) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(40, 23) Me.Label2.TabIndex = 1 " "Label3 " Me.Label3.Location = New System.Drawing.Point(24, 88) Me.Label3.Name = "Label3" Me.Label3.Size = New System.Drawing.Size(40, 24) Me.Label3.TabIndex = 2 " "Label4 " Me.Label4.Location = New System.Drawing.Point(24, 128) Me.Label4.Name = "Label4" Me.Label4.Size = New System.Drawing.Size(40, 24) Me.Label4.TabIndex = 3 " "ProgressBar1 " Me.ProgressBar1.Location = New System.Drawing.Point(88, 24) Me.ProgressBar1.Maximum = 20 Me.ProgressBar1.Name = "ProgressBar1" Me.ProgressBar1.Size = New System.Drawing.Size(176, 16) Me.ProgressBar1.TabIndex = 4 " "ProgressBar2 " Me.ProgressBar2.Location = New System.Drawing.Point(88, 56) Me.ProgressBar2.Maximum = 20 Me.ProgressBar2.Name = "ProgressBar2" Me.ProgressBar2.Size = New System.Drawing.Size(176, 16) Me.ProgressBar2.TabIndex = 5 " "ProgressBar3 " Me.ProgressBar3.Location = New System.Drawing.Point(88, 88) Me.ProgressBar3.Maximum = 20 Me.ProgressBar3.Name = "ProgressBar3" Me.ProgressBar3.Size = New System.Drawing.Size(176, 16) Me.ProgressBar3.TabIndex = 6 " "ProgressBar4 " Me.ProgressBar4.Location = New System.Drawing.Point(88, 120) Me.ProgressBar4.Maximum = 20 Me.ProgressBar4.Name = "ProgressBar4" Me.ProgressBar4.Size = New System.Drawing.Size(176, 16) Me.ProgressBar4.TabIndex = 7 " "Button1 " Me.Button1.Location = New System.Drawing.Point(112, 152) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(64, 24) Me.Button1.TabIndex = 8 Me.Button1.Text = "Start" " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 190) Me.Controls.Add(Me.Button1) Me.Controls.Add(Me.ProgressBar4) Me.Controls.Add(Me.ProgressBar3) Me.Controls.Add(Me.ProgressBar2) Me.Controls.Add(Me.ProgressBar1) Me.Controls.Add(Me.Label4) Me.Controls.Add(Me.Label3) Me.Controls.Add(Me.Label2) Me.Controls.Add(Me.Label1) Me.ResumeLayout(False) End Sub Private temp As Int32 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim i, j, k, l As Int16 temp = 0 For i = 0 To 20 ProgressBar1.Value = i Label1.Text = i For j = 0 To 20 ProgressBar2.Value = j Label2.Text = j For k = 0 To 20 ProgressBar3.Value = k Label3.Text = k For l = 0 To 20 ProgressBar4.Value = l Label4.Text = l Me.Refresh() temp = temp + 1 Next Next Next Next End Sub
End Class</source>
ProgressBar value
<source lang="vbnet">Imports System.Windows.Forms public class ProgressBarDemo
public Shared Sub Main Application.Run(New Form1) End Sub
End class
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim i As Integer ProgressBar1.Value = 0 For i = 0 To 100 Dim j As Integer For j = 0 To 10000000 Next j ProgressBar1.Value = i Label1.Text = i.ToString + "/100" Next i End Sub
End Class <Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial 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.ProgressBar1 = New System.Windows.Forms.ProgressBar Me.Label1 = New System.Windows.Forms.Label Me.Button1 = New System.Windows.Forms.Button Me.SuspendLayout() " "ProgressBar1 " Me.ProgressBar1.Location = New System.Drawing.Point(32, 69) Me.ProgressBar1.Name = "ProgressBar1" Me.ProgressBar1.Size = New System.Drawing.Size(322, 23) Me.ProgressBar1.TabIndex = 0 " "Label1 " Me.Label1.AutoSize = True Me.Label1.Location = New System.Drawing.Point(170, 37) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(35, 12) Me.Label1.TabIndex = 1 Me.Label1.Text = "0/100" " "Button1 " Me.Button1.Location = New System.Drawing.Point(152, 123) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(75, 23) Me.Button1.TabIndex = 2 Me.Button1.Text = "start" Me.Button1.UseVisualStyleBackColor = True " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(383, 181) Me.Controls.Add(Me.Button1) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.ProgressBar1) Me.Name = "Form1" Me.Text = "Form1" Me.ResumeLayout(False) Me.PerformLayout() End Sub Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents Button1 As System.Windows.Forms.Button
End Class</source>
Set step for ProgressBar
<source lang="vbnet">Imports System.Windows.Forms public class ProgressBarStep
public Shared Sub Main Application.Run(New 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</source>
Use Timer to control a ProgressBar
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TimerControlProgressBar
public Shared Sub Main Application.Run(New 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 Button1 As System.Windows.Forms.Button Friend WithEvents Timer1 As System.Windows.Forms.Timer Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.ruponents = New System.ruponentModel.Container Me.Button1 = New System.Windows.Forms.Button Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents) Me.ProgressBar1 = New System.Windows.Forms.ProgressBar Me.SuspendLayout() " "Button1 " Me.Button1.Location = New System.Drawing.Point(104, 144) Me.Button1.Name = "Button1" Me.Button1.TabIndex = 1 Me.Button1.Text = "Go" " "Timer1 " " "ProgressBar1 " Me.ProgressBar1.Location = New System.Drawing.Point(56, 72) Me.ProgressBar1.Name = "ProgressBar1" Me.ProgressBar1.Size = New System.Drawing.Size(168, 23) Me.ProgressBar1.TabIndex = 2 " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.Controls.Add(Me.ProgressBar1) Me.Controls.Add(Me.Button1) Me.Name = "Form1" Me.Text = "Form1" Me.ResumeLayout(False) End Sub
- End Region
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick If ProgressBar1.Value <= ProgressBar1.Maximum - 1 Then ProgressBar1.Value += 1 Else Timer1.Enabled = False End If End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Timer1.Enabled = True End Sub
End Class</source>