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.NET Forum / Languages / C# / December 2005how to start a thread with in-place function?
In Java I can start a thread and write the function in-place. So, you could do, in pseudocode: def someFunc: thread.new( def summit: doSomeStuff() ) How can I do that in C#? Are you refering to anonymous methods? They are not present in 1.1 they are in 2.0 though. > In Java I can start a thread and write the function in-place. So, you > could do, in pseudocode: [quoted text clipped - 3 lines] > > How can I do that in C#? You need to pass an instance of the ThreadStart delegate to the constructor for your thread class, like so: Thread t = new Thread(new ThreadStart(doSomeStuff)); Hope this helps.  Signature- Nicholas Paldino [.NET/C# MVP] - mvp@spam.guard.caspershouse.com > In Java I can start a thread and write the function in-place. So, you > could do, in pseudocode: [quoted text clipped - 3 lines] > > How can I do that in C#? Okay so here's what I want to do: I need to start multiple threads that do the same things, but with different parameters. What's the simplest way to do that? parsifal, If you are using .NET 2.0, have your method take an object parameter, and then pass the parameter to the Start method on the Thread instance. If you are using .NET 1.1 and before, then what you want to do is encapsulate your logic into a type which holds all the information needed to perform the processing. Then, you set the values on an instance of the type, and then pass the delegate to your Thread instance. For each separate instance, you pass a separate instance of your class. Signature- Nicholas Paldino [.NET/C# MVP] - mvp@spam.guard.caspershouse.com > Okay so here's what I want to do: I need to start multiple threads that > do the same things, but with different parameters. What's the simplest > way to do that? If using 2.0 you can write the ThreadStart method in place as Ignacio pointed. Here is an example. public static void Main() { ThreadStart doSomeStuff = delegate() { // Put your thread code here. }; Thread thread = new Thread(doSomeStuff); thread.Start(); thread.Join(); } Brian > In Java I can start a thread and write the function in-place. So, you > could do, in pseudocode: [quoted text clipped - 3 lines] > > How can I do that in C#? Oh interesting. That's exactly what I want, but my Visual Studio is complaining about my use of delegate in "delegate() {..}". It says "Invalid expression term 'delegate'". Do I need to tell it to use 2.0? What am I doing wrong? Are you using VS2005 and the .NET Framework 2.0? > Oh interesting. That's exactly what I want, but my Visual Studio is > complaining about my use of delegate in "delegate() {..}". It says > "Invalid expression term 'delegate'". Do I need to tell it to use 2.0? > What am I doing wrong? I have installed .NET 2.0, but I'm using VS.NET 7. In the About box, it says .NET Framework 1.0. How can I change that? > I have installed .NET 2.0, but I'm using VS.NET 7. In the About box, > it says .NET Framework 1.0. How can I change that? I don't think you can?? What?? That better not be true. I'm not even using 1.1. > What?? That better not be true. I'm not even using 1.1. No, it's true. You can't write 2.0 code in VS.NET 2002 or VS.NET 2003. See http://www.pobox.com/~skeet/csharp/threads/parameters.shtml for alternatives though. Note that your first example wasn't Java, by the way - it was Javascript, which is very different. SignatureJon Skeet - <skeet@pobox.com> http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet If replying to the group, please do not mail me too Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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