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Thread Constructor (ThreadStart)

Initializes a new instance of the Thread class.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
public Thread(
	ThreadStart start
)

Parameters

start
Type: System.Threading.ThreadStart

A ThreadStart delegate that represents the methods to be invoked when this thread begins executing.

ExceptionCondition
ArgumentNullException

The start parameter is null.

A thread does not begin executing when it is created. To schedule the thread for execution, call the Start method.

[Visual Basic]

NoteNote:

Visual Basic users can omit the ThreadStart constructor when creating a thread. Use the AddressOf operator when passing your method for example Dim t As New Thread(AddressOf ThreadProc). Visual Basic automatically calls the ThreadStart constructor.

The following code example shows how to create a thread that executes a static method.

using System;
using System.Threading;

class Test
{
    static void Main() 
    {
        Thread newThread = 
            new Thread(new ThreadStart(Work.DoWork));
        newThread.Start();
    }
}

class Work 
{
    Work() {}

    public static void DoWork() {}
}

The following code example shows how to create a thread that executes an instance method.

using System;
using System.Threading;

class Test
{
    static void Main() 
    {
        Work threadWork = new Work();
        Thread newThread = 
            new Thread(new ThreadStart(threadWork.DoWork));
        newThread.Start();
    }
}

class Work 
{
    public Work() {}

    public void DoWork() {}
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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