в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:56:49Z

1 версия

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==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>

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VB.Net Tutorial/GUI/ProgressBar - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия