R3模式下禁用启用网卡

#include <stdio.h>    
#include <tchar.h>    
#include <windows.h>  
#include <setupapi.h>
#pragma comment(lib, "setupapi.lib")

HDEVINFO hDevInfo = 0;
BOOL StateChange(DWORD NewState, DWORD SelectedItem, HDEVINFO hDevInfo)
{
    SP_PROPCHANGE_PARAMS PropChangeParams = {sizeof(SP_CLASSINSTALL_HEADER)};
    SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
    HCURSOR hCursor;

    hCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));

    if (!SetupDiEnumDeviceInfo(hDevInfo,SelectedItem,&DeviceInfoData))
    {
        printf("EnumDeviceInfo");
        return FALSE;
    }

    PropChangeParams.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
    PropChangeParams.Scope = DICS_FLAG_GLOBAL;
    PropChangeParams.StateChange = NewState; 

    if (!SetupDiSetClassInstallParams(hDevInfo,
        &DeviceInfoData,
        (SP_CLASSINSTALL_HEADER *)&PropChangeParams,
        sizeof(PropChangeParams)))
    {
        printf("SetClassInstallParams");
        SetCursor(hCursor);
        return FALSE;
    }

    if (!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,
        hDevInfo,
        &DeviceInfoData))
    {
        printf("SetClassInstallParams");
        SetCursor(hCursor);
        return TRUE;
    }

    SetCursor(hCursor);
    return TRUE;
}


BOOL IsClassNet( GUID * ClassGuid )
{
    #define MAX_NUM  50

    HKEY hKeyClass;
    LONG lRet;
    char ClassType[MAX_NUM];
    char NetClass[MAX_NUM] = "Net";
    DWORD dwLength = MAX_NUM,dwType = REG_SZ;
    
    if (hKeyClass = SetupDiOpenClassRegKey(ClassGuid,KEY_READ))
    {
        lRet = RegQueryValueEx(hKeyClass,
            TEXT("Class"), 
            NULL, &dwType, LPBYTE(ClassType), &dwLength);
        RegCloseKey(hKeyClass);

        if (lRet != ERROR_SUCCESS)
            return FALSE;

        if (!strcmp(ClassType,NetClass))
            return TRUE;
    }
    return FALSE;
}

void SetAllNetDevice()
{
    if (INVALID_HANDLE_VALUE == (hDevInfo = 
                SetupDiGetClassDevs(NULL,NULL,0,
                DIGCF_PRESENT|DIGCF_ALLCLASSES)))
    {
        printf("GetClassDevs");
        return;
    }

    DWORD i, Status, Problem;
    SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};

    HKEY hKeyClass;
    char DeviceName[200];
    for (i=0;SetupDiEnumDeviceInfo(hDevInfo,i,&DeviceInfoData);i++)
    {
        if (IsClassNet(&DeviceInfoData.ClassGuid))
        {
            //printf(" the class's index is %d ",i);
   

            //DICS_DISABLE-->禁用网络
            //DICS_ENABLE--->恢复网络
            if (StateChange(DICS_ENABLE, i, hDevInfo))
                printf(".");
            //printf("NetWork %s", (DICS_ENABLE)?"enabled":"disabled");

        }
    }
}