WINDOWS console程序截獲CTRL+C按鍵

程序代碼如下：

// win32test.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

bool g_exit = false;

const char *GetEventMessage(DWORD dwCtrlType)
{
    switch ( dwCtrlType )
    {
    case CTRL_C_EVENT:
        return "CTRL_C_EVENT";

    case CTRL_BREAK_EVENT:
        return "CTRL_BREAK_EVENT";

    case CTRL_CLOSE_EVENT:
        return "CTRL_CLOSE_EVENT";

    case CTRL_LOGOFF_EVENT:
        return "CTRL_LOGOFF_EVENT";

    case CTRL_SHUTDOWN_EVENT:
        return "CTRL_SHUTDOWN_EVENT";
    }

    return "Unknown";
}

BOOL WINAPI HandlerRoutine(DWORD dwCtrlType)
{
    printf("%s event received\n", GetEventMessage(dwCtrlType));
    g_exit = true;
    return TRUE;
}

int _tmain(int argc, _TCHAR* argv[])
{
    SetConsoleCtrlHandler( HandlerRoutine, TRUE);

    while (! g_exit)
    {
        printf("main\n");
        Sleep(5000);
    }

    printf("exit\n");

    return 0;
}