Use the QueueUserWorkItem method to queue a task and supply the data for the task. : ThreadPool « Thread « VB.Net Tutorial

Home
VB.Net Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statements
5.Date Time
6.Class Module
7.Development
8.Collections
9.Generics
10.Attributes
11.Event
12.LINQ
13.Stream File
14.GUI
15.GUI Applications
16.Windows Presentation Foundation
17.2D Graphics
18.I18N Internationlization
19.Reflection
20.Regular Expressions
21.Security
22.Socket Network
23.Thread
24.Windows
25.XML
26.Database ADO.net
27.Design Patterns
VB.Net
VB.Net by API
VB.Net Tutorial » Thread » ThreadPool 
23.9.4.Use the QueueUserWorkItem method to queue a task and supply the data for the task.
Imports System
Imports System.Threading

Public Class MyData
    Public MyStringValue As String
    Public Value As Integer
    Public Sub New(text As String, number As Integer)
        MyStringValue = text
        Value = number
    End Sub
End Class

Public Class Example
    Public Shared Sub Main()
        Dim ti As New MyData("value"42)
        If ThreadPool.QueueUserWorkItem(New WaitCallback(AddressOf ThreadProc), tiThen
            Thread.Sleep(1000)
        Else
            Console.WriteLine("Unable to queue ThreadPool request.")
        End If
    End Sub
    Shared Sub ThreadProc(stateInfo As Object)
        Dim ti As MyData = CType(stateInfo, MyData)
        Console.WriteLine(ti.MyStringValue, ti.Value)
    End Sub
End Class
23.9.ThreadPool
23.9.1.Thread Pool
23.9.2.Get Available Threads in a ThreadPool and Get Max Threads in a ThreadPool
23.9.3.Queue a simple task, represented by the ThreadProc method, using the QueueUserWorkItem method.
23.9.4.Use the QueueUserWorkItem method to queue a task and supply the data for the task.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.