C++ Win32控制台应用程序捕捉关闭事件

C++ Win32控制台应用程序捕捉关闭事件  

 

#include
#include
bool ctrlhandler( DWORD fdwctrltype )
{
    switch( fdwctrltype )
    {
    // handle the ctrl-c signal.
    case CTRL_C_EVENT:
        printf( "ctrl-c event

" );
        return( true );
    // ctrl-close: confirm that the user wants to exit.
    case CTRL_CLOSE_EVENT:
        printf( "ctrl-close event

" );
        return( true );
    // pass other signals to the next handler.
    case CTRL_BREAK_EVENT:
        printf( "ctrl-break event

" );
        return false;
    case CTRL_LOGOFF_EVENT:
        printf( "ctrl-logoff event

" );
        return false;
    case CTRL_SHUTDOWN_EVENT:
        printf( "ctrl-shutdown event

" );
        return false;
    default:
        return false;
    }
}
void main( void )
{
    if( SetConsoleCtrlHandler( (PHANDLER_ROUTINE) ctrlhandler, true ) )
    {
        printf( "
the control handler is installed.
" );
        printf( "
 -- now try pressing ctrl+c or ctrl+break, or" );
        printf( "
 try logging off or closing the console...
" );
        printf( "
(...waiting in a loop for events...)

" );
       while( 1 ){ Sleep(100);}
    }
else
    printf( "
error: could not set control handler");
}