Can anybody provide me with an example of using SetupDiGetDeviceProperty ?

推薦答案

以下代碼

#include <windows.h>
#include <devguid.h>    // for GUID_DEVCLASS_CDROM etc
#include <setupapi.h>
#include <cfgmgr32.h>   // for MAX_DEVICE_ID_LEN, CM_Get_Parent and CM_Get_Device_ID
#define INITGUID
#include <tchar.h>
#include <stdio.h>

//#include "c:WinDDK7600.16385.1incapidevpkey.h"

// include DEVPKEY_Device_BusReportedDeviceDesc from WinDDK7600.16385.1incapidevpropdef.h
#ifdef DEFINE_DEVPROPKEY
#undef DEFINE_DEVPROPKEY
#endif
#ifdef INITGUID
#define DEFINE_DEVPROPKEY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, pid) EXTERN_C const DEVPROPKEY DECLSPEC_SELECTANY name = { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }, pid }
#else
#define DEFINE_DEVPROPKEY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, pid) EXTERN_C const DEVPROPKEY name
#endif // INITGUID

// include DEVPKEY_Device_BusReportedDeviceDesc from WinDDK7600.16385.1incapidevpkey.h
DEFINE_DEVPROPKEY(DEVPKEY_Device_BusReportedDeviceDesc,  0x540b947e, 0x8b40, 0x45bc, 0xa8, 0xa2, 0x6a, 0x0b, 0x89, 0x4c, 0xbd, 0xa2, 4);     // DEVPROP_TYPE_STRING
DEFINE_DEVPROPKEY(DEVPKEY_Device_ContainerId,            0x8c7ed206, 0x3f8a, 0x4827, 0xb3, 0xab, 0xae, 0x9e, 0x1f, 0xae, 0xfc, 0x6c, 2);     // DEVPROP_TYPE_GUID
DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName,           0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);    // DEVPROP_TYPE_STRING
DEFINE_DEVPROPKEY(DEVPKEY_DeviceDisplay_Category,        0x78c34fc8, 0x104a, 0x4aca, 0x9e, 0xa4, 0x52, 0x4d, 0x52, 0x99, 0x6e, 0x57, 0x5a);  // DEVPROP_TYPE_STRING_LIST
DEFINE_DEVPROPKEY(DEVPKEY_Device_LocationInfo,           0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 15);    // DEVPROP_TYPE_STRING
DEFINE_DEVPROPKEY(DEVPKEY_Device_Manufacturer,           0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 13);    // DEVPROP_TYPE_STRING
DEFINE_DEVPROPKEY(DEVPKEY_Device_SecuritySDS,            0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 26);    // DEVPROP_TYPE_SECURITY_DESCRIPTOR_STRING

#define ARRAY_SIZE(arr)     (sizeof(arr)/sizeof(arr[0]))

#pragma comment (lib, "setupapi.lib")

typedef BOOL (WINAPI *FN_SetupDiGetDevicePropertyW)(
  __in       HDEVINFO DeviceInfoSet,
  __in       PSP_DEVINFO_DATA DeviceInfoData,
  __in       const DEVPROPKEY *PropertyKey,
  __out      DEVPROPTYPE *PropertyType,
  __out_opt  PBYTE PropertyBuffer,
  __in       DWORD PropertyBufferSize,
  __out_opt  PDWORD RequiredSize,
  __in       DWORD Flags
);

// List all USB devices with some additional information
void ListDevices (CONST GUID *pClassGuid, LPCTSTR pszEnumerator)
{
    unsigned i, j;
    DWORD dwSize, dwPropertyRegDataType;
    DEVPROPTYPE ulPropertyType;
    CONFIGRET status;
    HDEVINFO hDevInfo;
    SP_DEVINFO_DATA DeviceInfoData;
    const static LPCTSTR arPrefix[3] = {TEXT("VID_"), TEXT("PID_"), TEXT("MI_")};
    TCHAR szDeviceInstanceID [MAX_DEVICE_ID_LEN];
    TCHAR szDesc[1024], szHardwareIDs[4096];
    WCHAR szBuffer[4096];
    LPTSTR pszToken, pszNextToken;
    TCHAR szVid[MAX_DEVICE_ID_LEN], szPid[MAX_DEVICE_ID_LEN], szMi[MAX_DEVICE_ID_LEN];
    FN_SetupDiGetDevicePropertyW fn_SetupDiGetDevicePropertyW = (FN_SetupDiGetDevicePropertyW)
        GetProcAddress (GetModuleHandle (TEXT("Setupapi.dll")), "SetupDiGetDevicePropertyW");

    // List all connected USB devices
    hDevInfo = SetupDiGetClassDevs (pClassGuid, pszEnumerator, NULL,
                                    pClassGuid != NULL ? DIGCF_PRESENT: DIGCF_ALLCLASSES | DIGCF_PRESENT);
    if (hDevInfo == INVALID_HANDLE_VALUE)
        return;

    // Find the ones that are driverless
    for (i = 0; ; i++)  {
        DeviceInfoData.cbSize = sizeof (DeviceInfoData);
        if (!SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData))
            break;

        status = CM_Get_Device_ID(DeviceInfoData.DevInst, szDeviceInstanceID , MAX_PATH, 0);
        if (status != CR_SUCCESS)
            continue;

        // Display device instance ID
        _tprintf (TEXT("%s
"), szDeviceInstanceID );

        if (SetupDiGetDeviceRegistryProperty (hDevInfo, &DeviceInfoData, SPDRP_DEVICEDESC,
                                              &dwPropertyRegDataType, (BYTE*)szDesc,
                                              sizeof(szDesc),   // The size, in bytes
                                              &dwSize))
            _tprintf (TEXT("    Device Description: "%s"
"), szDesc);

        if (SetupDiGetDeviceRegistryProperty (hDevInfo, &DeviceInfoData, SPDRP_HARDWAREID,
                                              &dwPropertyRegDataType, (BYTE*)szHardwareIDs,
                                              sizeof(szHardwareIDs),    // The size, in bytes
                                              &dwSize)) {
            LPCTSTR pszId;
            _tprintf (TEXT("    Hardware IDs:
"));
            for (pszId=szHardwareIDs;
                 *pszId != TEXT('

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