vc获取windows设备枚举设备信息

来源：互联网发布：mac修容粉编辑：程序博客网时间：2024/06/07 03:19
#include "stdio.h"#include <Windows.h>#include <setupapi.h>#pragma comment(lib, "setupapi.lib")void PrintDevicesInfo1(){HDEVINFO hDevInfo = SetupDiGetClassDevs(NULL, NULL, NULL, DIGCF_ALLCLASSES);if (hDevInfo == INVALID_HANDLE_VALUE){printf("SetupDiGetClassDevs Err:%d", GetLastError());return ;};SP_CLASSIMAGELIST_DATA _spImageData = {0};_spImageData.cbSize = sizeof(SP_CLASSIMAGELIST_DATA);SetupDiGetClassImageList(&_spImageData);short wIndex = 0;SP_DEVINFO_DATA spDevInfoData = {0};spDevInfoData.cbSize = sizeof(SP_DEVINFO_DATA);while (1){if (SetupDiEnumDeviceInfo(hDevInfo, wIndex, &spDevInfoData)){TCHAR szBuf[MAX_PATH] = {0};int wImageIdx = 0;short wItem = 0;if (!SetupDiGetDeviceRegistryPropertyA(hDevInfo, &spDevInfoData, SPDRP_CLASS, NULL, (PBYTE)szBuf, MAX_PATH, 0)){wIndex++;continue;};if (SetupDiGetClassImageIndex(&_spImageData, &spDevInfoData.ClassGuid, &wImageIdx)){char szName[MAX_PATH] = {0};DWORD dwRequireSize;//if (!SetupDiGetClassDescription(&spDevInfoData.ClassGuid, szBuf, MAX_PATH, &dwRequireSize)){wIndex++;continue;};printf("Class:%s\r\n", szBuf);if (SetupDiGetDeviceRegistryProperty(hDevInfo,&spDevInfoData, SPDRP_FRIENDLYNAME, NULL, (PBYTE)szName, MAX_PATH - 1, 0)){printf("Device:%s\r\n\r\n", szName);}else if (SetupDiGetDeviceRegistryProperty(hDevInfo,&spDevInfoData, SPDRP_DEVICEDESC, NULL, (PBYTE)szName, MAX_PATH - 1, 0)){printf("Device:%s\r\n\r\n", szName);};};}elsebreak;wIndex++;};SetupDiDestroyClassImageList(&_spImageData);}int PrintDevicesInfo2(){    HDEVINFO hDevInfo;         SP_DEVINFO_DATA DeviceInfoData;         DWORD i;          // 得到所有设备 HDEVINFO          hDevInfo = SetupDiGetClassDevs(NULL, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES );         if (hDevInfo == INVALID_HANDLE_VALUE)             return 0;         // 循环列举         DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);         for (i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++)         {             char szClassBuf[MAX_PATH] = { 0 };        char szDescBuf[MAX_PATH] = { 0 };        // 获取类名          if (!SetupDiGetDeviceRegistryProperty(hDevInfo, &DeviceInfoData, SPDRP_CLASS, NULL, (PBYTE)szClassBuf, MAX_PATH - 1, NULL))                     continue;        //获取设备描述信息        if (!SetupDiGetDeviceRegistryProperty(hDevInfo, &DeviceInfoData, SPDRP_DEVICEDESC, NULL, (PBYTE)szDescBuf, MAX_PATH - 1, NULL))                     continue;        printf("Class:%s\r\nDesc:%s\r\n\r\n", szClassBuf, szDescBuf);    }         //  释放         SetupDiDestroyDeviceInfoList(hDevInfo);}int main(int argc, TCHAR* argv[]){    PrintDevicesInfo1();    PrintDevicesInfo2();return 0;}
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