Use thread-local storage : LocalDataStoreSlot : Thread C# Examples

    
using  System;
using  System.Threading;

class  MainClass
{
    public  static  void  SetError()  
    {
        Random  r  =  new  Random();
        Thread.SetData(Thread.GetNamedDataSlot("Number"),  r.Next(100));
        Thread.SetData(Thread.GetNamedDataSlot("Name")  ,Thread.CurrentThread.Name);

        Console.WriteLine("Number  =  "  +  Thread.GetData(Thread.GetNamedDataSlot("Number")));
        Console.WriteLine("Name  =  "  +  Thread.GetData(Thread.GetNamedDataSlot("Name")));
    }

    public  static  void  Main()  
    {
        Thread.AllocateNamedDataSlot("Number");
        Thread.AllocateNamedDataSlot("Name");

        Thread  t2  =  new  Thread(new  ThreadStart(SetError));
        t2.Name  =  "t2";
        t2.Start();

        Thread  t3  =  new  Thread(new  ThreadStart(SetError));
        t3.Name  =  "t3";
        t3.Start();

        Thread.FreeNamedDataSlot("Number");
        Thread.FreeNamedDataSlot("Name");
    }
}