using System.Drawing;

using System.IO;//为TCP通信增加的

using System.Net;//为TCP通信增加的

using System.Net.Sockets;//为TCP通信增加的

using System.Runtime.InteropServices;//供引用API使用

using System.Diagnostics;//关闭指定进程用

namespace Client

{

    public class UdpThread

    {

        //API的引用，主要用于对客户机的控制

        [StructLayout(LayoutKind.Sequential, Pack = 1)]

        internal struct TokPriv1Luid

        {

            public int Count;

            public long Luid;

            public int Attr;

        }

        [DllImport("user32.dll")]//API函数锁定键盘及鼠标

        private static extern void BlockInput(bool Block);

        [DllImport("kernel32.dll", ExactSpelling = true)]

        internal static extern IntPtr GetCurrentProcess();

        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]

        internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);

        [DllImport("advapi32.dll", SetLastError = true)]

        internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);

        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]