hide console & console handler

hide console:

#pragma comment(linker,"/subsystem:windows  /entry:wmainCRTStartup") 

console handler:

handling console application events is to setup an even trap, technically referred to as installing an event handler.SetConsoleCtrlHandler Win32 API:

BOOL SetConsoleCtrlHandler(

PHANDLER_ROUTINE HandlerRoutine, // handler function

BOOL Add // add or remove handler

);

The HandlerRoutine parameter is a pointer to a function.

BOOL WINAPI HandlerRoutine(

DWORD dwCtrlType // control signal type

);

The parameter dwCtrlType can take the following values:

CTRL_C_EVENT - occurs when the user presses CTRL+C, or when it is sent by the GenerateConsoleCtrlEvent API.

CTRL_BREAK_EVENT - occurs when the user presses CTRL+BREAK, or when it is sent by the GenerateConsoleCtrlEvent API.

CTRL_CLOSE_EVENT - occurs when attempt is made to close the console, when the system sends the close signal to all processes associated with a given console.

CTRL_LOGOFF_EVENT - occurs when the user is logging off. One cannot determine, however, which user is logging off.

CTRL_SHUTDOWN_EVENT - occurs when the system is being shutdown, and is typically sent to services.

BOOL WINAPI ConsoleHandler(DWORD CEvent)

{

switch(CEvent)

{

case CTRL_C_EVENT:

wprintf(L"CTRL_C_EVENT.\n");

break;

case CTRL_BREAK_EVENT:

wprintf(L"CTRL_BREAK_EVENT.\n");

break;

case CTRL_CLOSE_EVENT:

wprintf(L"CTRL_CLOSE_EVENT.\n");

break;

case CTRL_LOGOFF_EVENT:

wprintf(L"CTRL_LOGOFF_EVENT.\n");

break;

case CTRL_SHUTDOWN_EVENT:

wprintf(L"CTRL_SHUTDOWN_EVENT.\n");

break;

}

return TRUE;

}

use the SetConsoleCtrlHandler API:

if (SetConsoleCtrlHandler((PHANDLER_ROUTINE)ConsoleHandler,TRUE)==FALSE)

{

wprintf(L"Unable to install handler!\n");

return -1;

}

reference: