[No000090]C#捕获控制台(console)关闭事件及响应cmd快捷键

时间:2023-03-08 17:42:52

捕获控制台(console)关闭事件:

1.Ctrl+C信号;

2.Ctrl+Break信号;

3.用户系统关闭Console时;

4.用户退出系统时;

5.系统将要关闭时;

using System;
using System.Runtime.InteropServices;
using System.Threading;
using System.Diagnostics; namespace ConsoleApplication2
{
public delegate bool ConsoleCtrlDelegate(int dwCtrlType);
class Program
{
[DllImport("kernel32.dll")]
private static extern bool SetConsoleCtrlHandler(ConsoleCtrlDelegate handlerRoutine, bool add); private const int CtrlCEvent = ;//CTRL_C_EVENT = 0;//一个Ctrl+C的信号被接收,该信号或来自键盘,或来自GenerateConsoleCtrlEvent 函数 private const int CtrlBreakEvent = ;//CTRL_BREAK_EVENT = 1;//一个Ctrl+Break信号被接收,该信号或来自键盘,或来自GenerateConsoleCtrlEvent 函数 private const int CtrlCloseEvent = ;//CTRL_CLOSE_EVENT = 2;//当用户系统关闭Console时,系统会发送此信号到此 private const int CtrlLogoffEvent = ;//CTRL_LOGOFF_EVENT = 5;//当用户退出系统时系统会发送这个信号给所有的Console程序。该信号不能显示是哪个用户退出。 private const int CtrlShutdownEvent = ;//CTRL_SHUTDOWN_EVENT = 6;//当系统将要关闭时会发送此信号到所有Console程序
[STAThread]
static void Main(string[] args)
{
// TODO: 在此处添加代码以启动应用程序
Program cl = new Program();
} public Program()
{
if (SetConsoleCtrlHandler(new ConsoleCtrlDelegate(HandlerRoutine), true))
{
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
}
else
{
Debug.WriteLine("Set SetConsoleCtrlHandler Error!!");
//AsReportFile.WriteFile("", "test.txt", "who close?");
}
Console.ReadLine(); } bool HandlerRoutine(int ctrlType)
{
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!");
Console.WriteLine("Set SetConsoleCtrlHandler success!!"); switch (ctrlType)
{
case CtrlCEvent: System.Console.WriteLine("Ctrl+C keydown"); break; case CtrlBreakEvent: System.Console.WriteLine("Ctrl+Break keydown"); break; case CtrlCloseEvent: System.Console.WriteLine("window closed"); break; case CtrlLogoffEvent: System.Console.WriteLine("log off or shut down"); break; case CtrlShutdownEvent: System.Console.WriteLine("system shut down"); break; default: System.Console.WriteLine(ctrlType.ToString()); break;
}
for (int i = ; i < ; i++)
{
Console.WriteLine("i is:{0}", i);
Thread.Sleep();
}
return false;
}
}
}