test.cpp

武安河书第一版（vxd）Windows 驱动例子

#include <stdio.h>
#include <conio.h>
#include <windows.h>
#include <winioctl.h>
#include "test.h"

void main()
{
HANDLE	hDevice=0;
int i;

	hDevice = CreateFile("\\\\.\\WAHPNP.VXD", 0,0,0,
                        OPEN_EXISTING, 0, 0);

	if (hDevice == INVALID_HANDLE_VALUE)
	{
        	fprintf(stderr, "Cannot load VxD, error=%08lx\n",
				GetLastError());
	 	exit(1);
	}
	if ( !DeviceIoControl(hDevice, TEST, 0, 0, &i, 0, 0, 0))
	{
    		fprintf(stderr, "Failed to TEST...\n");
		exit(1);
	}
	else
    	fprintf(stderr, "TEST is correct\n");
	printf("%4lx\n", i);
	CloseHandle(hDevice);
}