Creating threads in C#

BobLewiston · #1 17-Jul-2009, 13:24

Can someone please break down a simple statement for a relative newbie?

C-SHARP / C# Code:

Thread firstThread = new Thread (new ThreadStart (Method1));

In other words, what is happening at each stage here:

C-SHARP / C# Code:

new ThreadStart (Method1)

C-SHARP / C# Code:

new Thread (new ThreadStart (Method1))

C-SHARP / C# Code:

Thread firstThread = new Thread (new ThreadStart (Method1));

Thanks for any help you can give.

tempnode · #2 21-Jul-2009, 09:43

Sure, I can help =)

C-SHARP / C# Code:

Thread firstThread = new Thread (new ThreadStart (Method1));

You are creating a thread called firstThread and creating a delegate called Method1(). The ThreadStart instantiation (new ThreadStart(Method1)) is simply saying that when you start executing firstThread, it will jump down to Method1() in your code and start processing what's in that function.

This delegate method (here, called Method1()) will be associated with firstThread.... so, when you call firstThread.Start(), the functionality in Method1() will be performed. Now, you must still define and code the Method1() method yourself. I *believe* that it must return a void and take 0 parameters in the parameter list.

So here is what your code could look like:

C-SHARP / C# Code:

public void ProcessStuff()
{
    Thread myThread = new Thread(new ThreadStart(PerformThreadDuties));
    myThread.Start();
}

private void PerformThreadDuties()
{
    // do thread work here
}

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Creating threads in C#

Re: Creating threads in C#