PVOID buf = malloc(100);

char * buf1 = (char *)malloc(100);

PVOID buf2 = malloc(100);

char * buf3 = (char *)malloc(100);

PVOID buf4 = malloc(100);

char * buf5 = (char *)malloc(100);

int num = 0;

int num1 = 0;

int num2 = 0;

PHIDD_ATTRIBUTES a;

UpdateData(false); //更新界面

int Count = 0; //Total number of devices found

DWORD strSize=0,requiredSize=0;

BOOL result1,result2;

//定义一些变量，以后会用到

SP_DEVINFO_DATA DeviceInfoData;

SP_DEVICE_INTERFACE_DATA  DeviceInterfaceData;

PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;

//第一步：获取deviceID

GUID deviceId;

HidD_GetHidGuid(&deviceId);

//第二步：获取设备信息

HDEVINFO handle;

handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, (DIGCF_DEVICEINTERFACE | DIGCF_PRESENT)); //Get only HID devices

//第三步：对所有的设备进行枚举

result1=false; //定义一些变量

result2=false;

CString temp11="";

while(1)

{

DeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);

result1 = SetupDiEnumDeviceInterfaces(

handle,

NULL, // IN PSP_DEVINFO_DATA  DeviceInfoData,  OPTIONAL

&deviceId,

Count,

&DeviceInterfaceData

);

if(result1 == FALSE)

{

break;

}

//获得设备详细数据(初步)

result1 = SetupDiGetDeviceInterfaceDetail(handle,

&DeviceInterfaceData,

NULL,

0,

&strSize,

NULL);

requiredSize=strSize;

DeviceInterfaceDetailData=(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(requiredSize);

DeviceInterfaceDetailData->cbSize=sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);

DeviceInfoData.cbSize=sizeof(SP_DEVINFO_DATA);

//再次获得详细数据

SetupDiGetDeviceInterfaceDetail(handle,

&DeviceInterfaceData,

DeviceInterfaceDetailData,

strSize,

&requiredSize,

&DeviceInfoData);

//获得设备路径(最重要的部分)

//m_zf1=DeviceInterfaceDetailData->DevicePath;

UpdateData(false);

Count++;

}

if(Count != 0)

{

//AfxMessageBox("进来了");

a = (PHIDD_ATTRIBUTES)malloc(100);

a->Size = sizeof(struct _HIDD_ATTRIBUTES);

HANDLE hCom = CreateFile(DeviceInterfaceDetailData->DevicePath,

NULL,//GENERIC_READ | GENERIC_WRITE,

FILE_SHARE_READ | FILE_SHARE_WRITE,

NULL,

OPEN_EXISTING,

FILE_FLAG_OVERLAPPED,

NULL);

if (hCom == INVALID_HANDLE_VALUE)

{

AfxMessageBox("无效句柄!");

}

HidD_GetAttributes(hCom,a);

//m_sz1 = a->VendorID;

result2 = HidD_GetManufacturerString(hCom,buf,100);

if(result2 == FALSE)

{

AfxMessageBox("失败!");

}

result2 = HidD_GetProductString(hCom,buf2,100);

if(result2 == FALSE)

{

AfxMessageBox("失败!");

}

result2 = HidD_GetSerialNumberString(hCom,buf4,100);

if(result2 == FALSE)

{

AfxMessageBox("失败!");

}

while(1)

{

if(buf1[num-1] != '\0')

{

if(num == 0)

{

sprintf(buf1,"%s",(char *)buf);

}

else

{

sprintf(buf1,"%s%s",buf1,(char *)buf + (2*num));

}

num++;

}

else

{

break;

}

}

while(1)

{

if(buf3[num1-1] != '\0')

{

if(num1 == 0)

{

sprintf(buf3,"%s",(char *)buf2);

}

else

{

sprintf(buf3,"%s%s",buf3,(char *)buf2 + (2*num1));

}

num1++;

}

else

{

break;

}

}

while(1)

{

if(buf5[num2-1] == '\0')

{

if(num2 == 0)

{

sprintf(buf5,"%s",(char *)buf4);

}

else

{

sprintf(buf5,"%s%s",buf5,(char *)buf4 + (2*num1));

}

num2++;

}

else

{

if(num2 == 0)

{

buf5 = "Not specified";

}

break;

}

}

m_zf1 = buf1;

m_zf2 = buf3;

m_zf3 = buf5;

}

UpdateData(false);