【WINDOWS服务】.NET实现可交互的WINDOWS服务的实例代码-可交互

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.NET实现可交互的WINDOWS服务的实例代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.ServiceProcess;
using System.Threading;
using System.Runtime.InteropServices;
namespace FileWatchService
{
    publicclass Service1 : System.ServiceProcess.ServiceBase
    {
        ///
        /// 必需的设计器变量。
        ///
private System.ComponentModel.Container components=null;
        Thread threadForm=null;
        public Service1()
        {
            // 该调用是 Windows.Forms 组件设计器所必需的。
            InitializeComponent();

            // TODO: 在 InitComponent 调用后添加任何初始化
        }

        #region 组件设计器生成的代码
        ///
        /// 设计器支持所需的方法 - 不要使用代码编辑器
        /// 修改此方法的内容。
        ///
privatevoid InitializeComponent()
        {
            //
            // Service1
            //
this.ServiceName="JadeWatchService";

        }
        #endregion
        [STAThread]
        staticvoid Main()
        {
            System.ServiceProcess.ServiceBase.Run(new Service1());

        }
        ///
        /// 清理所有正在使用的资源。
        ///
protectedoverridevoid Dispose(bool disposing)
        {
            if (disposing)
            {
                if (components !=null)
                {
                    components.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        ///
        /// 设置具体的操作，以便服务可以执行它的工作。
        ///
protectedoverridevoid OnStart(string[] args)
        {
            threadForm=new Thread(new ThreadStart(FormShow));
            threadForm.Start();
        }

        ///
        /// 停止此服务。
        ///
protectedoverridevoid OnStop()
        {
            if (threadForm !=null)
            {
                if (threadForm.IsAlive)
                {
                    threadForm.Abort();
                    threadForm=null;
                }
            }
        }

        void FormShow()
        {

            GetDesktopWindow();
            IntPtr hwinstaSave=GetProcessWindowStation();
            IntPtr dwThreadId=GetCurrentThreadId();
            IntPtr hdeskSave=GetThreadDesktop(dwThreadId);
            IntPtr hwinstaUser=OpenWindowStation("WinSta0", false, 33554432);
            if (hwinstaUser==IntPtr.Zero)
            {
                RpcRevertToSelf();
                return;
            }
            SetProcessWindowStation(hwinstaUser);
            IntPtr hdeskUser=OpenDesktop("Default", 0, false, 33554432);
            RpcRevertToSelf();
            if (hdeskUser==IntPtr.Zero)
            {
                SetProcessWindowStation(hwinstaSave);
                CloseWindowStation(hwinstaUser);
                return;
            }
            SetThreadDesktop(hdeskUser);

            IntPtr dwGuiThreadId=dwThreadId;

            Form1 f=new Form1(); //此FORM1可以带notifyIcon，可以显示在托盘里，用户可点击托盘图标进行设置
            System.Windows.Forms.Application.Run(f);

            dwGuiThreadId=IntPtr.Zero;
            SetThreadDesktop(hdeskSave);
            SetProcessWindowStation(hwinstaSave);
            CloseDesktop(hdeskUser);
            CloseWindowStation(hwinstaUser);
        }

        [DllImport("user32.dll")]
        staticexternint GetDesktopWindow();

        [DllImport("user32.dll")]
        staticextern IntPtr GetProcessWindowStation();

        [DllImport("kernel32.dll")]
        staticextern IntPtr GetCurrentThreadId();

        [DllImport("user32.dll")]
        staticextern IntPtr GetThreadDesktop(IntPtr dwThread);

        [DllImport("user32.dll")]
        staticextern IntPtr OpenWindowStation(string a, bool b, int c);

        [DllImport("user32.dll")]
        staticextern IntPtr OpenDesktop(string lpszDesktop, uint dwFlags,
        bool fInherit, uint dwDesiredAccess);

        [DllImport("user32.dll")]
        staticextern IntPtr CloseDesktop(IntPtr p);

        [DllImport("rpcrt4.dll", SetLastError=true)]
        staticextern IntPtr RpcImpersonateClient(int i);

        [DllImport("rpcrt4.dll", SetLastError=true)]
        staticextern IntPtr RpcRevertToSelf();

        [DllImport("user32.dll")]
        staticextern IntPtr SetThreadDesktop(IntPtr a);

        [DllImport("user32.dll")]
        staticextern IntPtr SetProcessWindowStation(IntPtr a);
        [DllImport("user32.dll")]
        staticextern IntPtr CloseWindowStation(IntPtr a);
    }
}

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