C#捕获控制台(console)关闭事件
有时,公司内部自己开发的控制台(console)应用程序在服务器上运行会因为遇到某些异常自动关闭了,这就需要用某机制来捕获控制台(console)关闭事件,把这样写日志,便于维护和调试。
源码如下:
程序代码
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Code
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using System;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Diagnostics;
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namespace xmlpusher
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{
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public delegate bool ConsoleCtrlDelegate(int dwCtrlType);
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/**//// <summary>
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/// Class1 的摘要说明。
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/// </summary>
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class Class1
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{
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//The SetConsoleCtrlHandler function adds or removes an application-defined HandlerRoutine function
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//from the list of handler functions for the calling process.
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[DllImport("kernel32.dll")]
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private static extern bool SetConsoleCtrlHandler(ConsoleCtrlDelegate HandlerRoutine, bool Add);
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//一個Ctrl + C的信號被接收,該信號或來自鍵盤,或來自GenerateConsoleCtrlEvent 函數
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private const int CTRL_C_EVENT = 0;
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//一個 Ctrl + Break 信號被接收,該信號或來自鍵盤,或來自GenerateConsoleCtrlEvent 函數
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private const int CTRL_BREAK_EVENT = 1;
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//當用戶系統關閉Console時,系統會發送此信號到此
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private const int CTRL_CLOSE_EVENT = 2;
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//當用戶退出系統時系統會發送這個信號給所有的Console程序。該信號不能顯示是哪個用戶退出。
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private const int CTRL_LOGOFF_EVENT = 5;
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//當系統將要關閉時會發送此信號到所有Console程序
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private const int CTRL_SHUTDOWN_EVENT = 6;
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/**//// <summary>
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/// 应用程序的主入口点。
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/// </summary>
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[STAThread]
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static void Main(string[] args)
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{
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//
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// TODO: 在此处添加代码以启动应用程序
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//
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Class1 cl = new Class1();
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}
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public Class1()
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{
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ConsoleCtrlDelegate newDategate = new ConsoleCtrlDelegate(HandlerRoutine);
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bool re = SetConsoleCtrlHandler(newDategate, true);
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if (re)
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{
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Console.WriteLine("Set SetConsoleCtrlHandler success!!");
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}
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else
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{
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Debug.WriteLine("Set SetConsoleCtrlHandler Error!!");
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AsReportFile.WriteFile("","test.txt","who close?");
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}
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Console.ReadLine();
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}
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bool HandlerRoutine(int CtrlType)
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{
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switch (CtrlType)
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{
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case CTRL_CLOSE_EVENT:
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for (int i = 0; i < 100; i++)
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{
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Console.WriteLine("i is:{0}", i);
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Thread.Sleep(1000);
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}
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break;
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}
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return false;
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}
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}
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}
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http://www.techmango.com/blog/article.asp?id=381
源码如下:
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http://www.techmango.com/blog/article.asp?id=381