using System;
using System.Threading;
namespace ThreadWithParameters
{
  class Program
  {
    static void Main(string[] args)
    {
      string hello = "hello world";
      //这里也可简写成Thread thread = new Thread(ThreadMainWithParameters);
      //但是为了让大家知道这里用的是ParameterizedThreadStart委托，就没有简写了
      Thread thread = new Thread(new ParameterizedThreadStart(ThreadMainWithParameters));
      thread.Start(hello);
      Console.Read();
    }
    static void ThreadMainWithParameters(object obj)
    {
      string str = obj as string;
      if(!string.IsNullOrEmpty(str))
        Console.WriteLine("Running in a thread,received: {0}", str);
    }
  }
}

using System;
using System.Threading;
namespace ThreadWithParameters
{
  public class MyThread
  {
    private string data;
    public MyThread(string data)
    {
      this.data = data;
    }
    public void ThreadMain()
    {
      Console.WriteLine("Running in a thread,data: {0}", data);
    }
  }
  class Program
  {
    static void Main(string[] args)
    {
      MyThread myThread = new MyThread("hello world");
      Thread thread = new Thread(myThread.ThreadMain);
      thread.Start();
      Console.Read();
    }
  }
}

using System;
using System.Threading;
namespace ThreadWithParameters
{
  class Program
  {
    static void Main(string[] args)
    {
      string hello = "hello world";
      //如果写成Thread thread = new Thread(ThreadMainWithParameters(hello));这种形式，编译时就会报错
      Thread thread = new Thread(() => ThreadMainWithParameters(hello));
      thread.Start();
      Console.Read();
    }
    static void ThreadMainWithParameters(string str)
    {
       Console.WriteLine("Running in a thread,received: {0}", str);
    }
  }
}

.method private hidebysig static void Main(string[] args) cil managed
{
  .entrypoint
  // 代码大小    51 (0x33)
  .maxstack 3
  .locals init ([0] class [mscorlib]System.Threading.Thread thread,
       [1] class ThreadWithParameters.Program/'<>c__DisplayClass1' 'CS$<>8__locals2')
  IL_0000: newobj   instance void ThreadWithParameters.Program/'<>c__DisplayClass1'::.ctor()
  IL_0005: stloc.1
  IL_0006: nop
  IL_0007: ldloc.1
  IL_0008: ldstr   "hello world"
  IL_000d: stfld   string ThreadWithParameters.Program/'<>c__DisplayClass1'::hello
  IL_0012: ldloc.1
  IL_0013: ldftn   instance void ThreadWithParameters.Program/'<>c__DisplayClass1'::'<Main>b__0'()
  IL_0019: newobj   instance void [mscorlib]System.Threading.ThreadStart::.ctor(object, native int)
  IL_001e: newobj   instance void [mscorlib]System.Threading.Thread::.ctor(class [mscorlib]System.Threading.ThreadStart)
  IL_0023: stloc.0
  IL_0024: ldloc.0
  IL_0025: callvirt  instance void [mscorlib]System.Threading.Thread::Start()
  IL_002a: nop
  IL_002b: call    int32 [mscorlib]System.Console::Read()
  IL_0030: pop
  IL_0031: nop
  IL_0032: ret
} // end of method Program::Main

.method private hidebysig static void Main(string[] args) cil managed
{
  .entrypoint
  // 代码大小    44 (0x2c)
  .maxstack 3
  .locals init ([0] class ThreadWithParameters.MyThread myThread,
       [1] class [mscorlib]System.Threading.Thread thread)
  IL_0000: nop
  IL_0001: ldstr   "hello world"
  IL_0006: newobj   instance void ThreadWithParameters.MyThread::.ctor(string)
  IL_000b: stloc.0
  IL_000c: ldloc.0
  IL_000d: ldftn   instance void ThreadWithParameters.MyThread::ThreadMain()
  IL_0013: newobj   instance void [mscorlib]System.Threading.ThreadStart::.ctor(object, native int)
  IL_0018: newobj   instance void [mscorlib]System.Threading.Thread::.ctor(class [mscorlib]System.Threading.ThreadStart)
  IL_001d: stloc.1
  IL_001e: ldloc.1
  IL_001f: callvirt  instance void [mscorlib]System.Threading.Thread::Start()
  IL_0024: nop
  IL_0025: call    int32 [mscorlib]System.Console::Read()
  IL_002a: pop
  IL_002b: ret
} // end of method Program::Main

IL_0000: newobj   instance void ThreadWithParameters.Program/'<>c__DisplayClass1'::.ctor()
IL_0006: newobj   instance void ThreadWithParameters.MyThread::.ctor(string)