下面这个程序有一个bug，试试看你能不能抓住它。

Test.cs (编译成 DelegateExample.exe):

    usingSystem;usingSystem.Threading;usingSystem.Runtime.InteropServices;classTest

    {delegate uintThreadProc (IntPtr arg);private uintm;public Test (uintn)

    {

    m=n;

    }uintReflect (IntPtr arg)

    {

    Console.WriteLine (m);returnm;

    }static voidMain ()

    {

    Test t= new Test (1);

    ThreadProc tp= newThreadProc (t.Reflect);

    NewThread (tp);

    Thread.Sleep (1000);

    }



    [DllImport("UsingCallback")]static extern voidNewThread (ThreadProc proc);

    }

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