驱动笔记11：使用DeviceIoControl通信

#include <windows.h>

#include <stdio.h>

#include <winioctl.h>

#include "..Ioctls.h"

#define SYMBOL_LINK "\\.\Test"

int main()

{

    HANDLE hDevice = ::CreateFile(SYMBOL_LINK, 

                                GENERIC_READ | GENERIC_WRITE,

                                0,    

                                NULL,

                                OPEN_EXISTING,

                                FILE_ATTRIBUTE_NORMAL,

                                NULL );

    if (hDevice == INVALID_HANDLE_VALUE)

    {

        printf("Failed to Open Device : %d ", ::GetLastError());