в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:56:58Z

1 версия

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==Scrolling Text by Timer==

<source lang="vbnet">Imports System.Windows.Forms
public class ScrollingText
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 Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents Button3 As System.Windows.Forms.Button
Friend WithEvents Timer1 As System.Windows.Forms.Timer
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ruponents = New System.ruponentModel.Container
Me.Label1 = New System.Windows.Forms.Label
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.Button3 = New System.Windows.Forms.Button
Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
Me.SuspendLayout()
"
"Label1
"
Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 15.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Label1.Location = New System.Drawing.Point(32, 32)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(216, 24)
Me.Label1.TabIndex = 0
Me.Label1.Text = "Scrolling Text"
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(24, 80)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(72, 24)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Start"
"
"Button2
"
Me.Button2.Location = New System.Drawing.Point(112, 80)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(64, 24)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Stop"
"
"Button3
"
Me.Button3.Location = New System.Drawing.Point(192, 80)
Me.Button3.Name = "Button3"
Me.Button3.Size = New System.Drawing.Size(72, 24)
Me.Button3.TabIndex = 3
Me.Button3.Text = "Exit"
"
"Timer1
"
Me.Timer1.Interval = 300
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 150)
Me.Controls.Add(Me.Button3)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Scroll Text"
Me.ResumeLayout(False)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Do While Label1.Text.Length < 13
Label1.Text = Label1.Text & " "
Loop
Label1.AutoSize = True
Timer1.Start()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Timer1.Stop()
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
End
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Label1.Text = Microsoft.VisualBasic.Right(Label1.Text, 1) & Microsoft.VisualBasic.Left(Label1.Text, Label1.Text.Length - 1)
End Sub
End Class</source>

==Timer event==

<source lang="vbnet">Imports System.Windows.Forms
public class TimerEvent
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 Timer1 As System.Windows.Forms.Timer
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ruponents = New System.ruponentModel.Container
Me.Label1 = New System.Windows.Forms.Label
Me.Label2 = New System.Windows.Forms.Label
Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.TextBox2 = New System.Windows.Forms.TextBox
Me.SuspendLayout()
"
"Label1
"
Me.Label1.Location = New System.Drawing.Point(16, 24)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(112, 24)
Me.Label1.TabIndex = 0
Me.Label1.Text = "Systen Date"
"
"Label2
"
Me.Label2.Location = New System.Drawing.Point(16, 80)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(112, 24)
Me.Label2.TabIndex = 1
Me.Label2.Text = "System Time"
"
"Timer1
"
"
"TextBox1
"
Me.TextBox1.Location = New System.Drawing.Point(112, 16)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(104, 20)
Me.TextBox1.TabIndex = 2
Me.TextBox1.Text = ""
"
"TextBox2
"
Me.TextBox2.Location = New System.Drawing.Point(112, 72)
Me.TextBox2.Name = "TextBox2"
Me.TextBox2.Size = New System.Drawing.Size(104, 20)
Me.TextBox2.TabIndex = 3
Me.TextBox2.Text = ""
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 158)
Me.Controls.Add(Me.TextBox2)
Me.Controls.Add(Me.TextBox1)
Me.Controls.Add(Me.Label2)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim TDay As String
Dim i As Short
TextBox2.Text = CStr(TimeOfDay)
i = Weekday(Today)
Select Case i
Case 1
TDay = "Sunday"
Case 2
TDay = "Monday"
Case 3
TDay = "Tuesday"
Case 4
TDay = "Wednesday"
Case 5
TDay = "Thursday"
Case 6
TDay = "Friday"
Case 7
TDay = "Saturday"
End Select
TextBox1.Text = TDay & "," & Today
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Timer1.Start()
End Sub
End Class</source>

==Timer interval==

<source lang="vbnet">imports System
imports System.Drawing
imports System.Windows.Forms
public class Timers : inherits Form
dim lblTime as Label
public sub New()
Size = new Size(300,100)
lblTime = new Label()
lblTime.Parent = me
lblTime.Size = new Size(200, 25)
lblTime.Location = new Point(20,20)
lblTime.BorderStyle = BorderStyle.FixedSingle
lblTime.TextAlign = ContentAlignment.MiddleCenter
dim t as new Timer()
t.Interval = 100
t.Start()
AddHandler t.Tick, AddressOf t_Tick
end sub
public shared sub Main()
Application.Run(new Timers())
end sub
private sub t_Tick(ByVal sender as object,ByVal e as EventArgs)
lblTime.Text = DateTime.Now.ToString("dddd, MMMM d, yyyy h:mm:ss tt")
end sub
end class</source>

==Timer Start and Stop==

<source lang="vbnet">Imports System.Windows.Forms
public class ScrollingText
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 Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents Button3 As System.Windows.Forms.Button
Friend WithEvents Timer1 As System.Windows.Forms.Timer
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ruponents = New System.ruponentModel.Container
Me.Label1 = New System.Windows.Forms.Label
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.Button3 = New System.Windows.Forms.Button
Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
Me.SuspendLayout()
"
"Label1
"
Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 15.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Label1.Location = New System.Drawing.Point(32, 32)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(216, 24)
Me.Label1.TabIndex = 0
Me.Label1.Text = "Scrolling Text"
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(24, 80)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(72, 24)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Start"
"
"Button2
"
Me.Button2.Location = New System.Drawing.Point(112, 80)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(64, 24)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Stop"
"
"Button3
"
Me.Button3.Location = New System.Drawing.Point(192, 80)
Me.Button3.Name = "Button3"
Me.Button3.Size = New System.Drawing.Size(72, 24)
Me.Button3.TabIndex = 3
Me.Button3.Text = "Exit"
"
"Timer1
"
Me.Timer1.Interval = 300
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 150)
Me.Controls.Add(Me.Button3)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Scroll Text"
Me.ResumeLayout(False)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Do While Label1.Text.Length < 13
Label1.Text = Label1.Text & " "
Loop
Label1.AutoSize = True
Timer1.Start()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Timer1.Stop()
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
End
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Label1.Text = Microsoft.VisualBasic.Right(Label1.Text, 1) & Microsoft.VisualBasic.Left(Label1.Text, Label1.Text.Length - 1)
End Sub
End Class</source>

==Use three timers==

<source lang="vbnet">Imports System.Windows.Forms

public class ThreeTimers
public Shared Sub Main
Application.Run(New 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</source>

==Use Timer to refresh Label==

<source lang="vbnet">Imports System.Windows.Forms
<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.ruponents = New System.ruponentModel.Container
Me.CurrentTime = New System.Windows.Forms.Label
Me.ClockTimer = New System.Windows.Forms.Timer(Me.ruponents)
Me.SuspendLayout()
"
"CurrentTime
"
Me.CurrentTime.AutoSize = True
Me.CurrentTime.Location = New System.Drawing.Point(8, 8)
Me.CurrentTime.Name = "CurrentTime"
Me.CurrentTime.Size = New System.Drawing.Size(39, 13)
Me.CurrentTime.TabIndex = 0
Me.CurrentTime.Text = "Label1"
"
"ClockTimer
"
Me.ClockTimer.Enabled = True
Me.ClockTimer.Interval = 1000
"
"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, 35)
Me.Controls.Add(Me.CurrentTime)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "Clock Timer"
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents CurrentTime As System.Windows.Forms.Label
Friend WithEvents ClockTimer As System.Windows.Forms.Timer
End Class
Public Class Form1
Private Sub ClockTimer_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClockTimer.Tick
CurrentTime.Text = Now.ToLongTimeString
End Sub
End Class

public class ClockTimerDemo
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class</source>

← Предыдущая	Версия 16:40, 26 мая 2010
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VB.Net Tutorial/GUI/Timer - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия