Gather Information from the Device Setup or Information Class<\/p>\n\n\n\n
using System;\nusing System.Collections.Generic;\nusing System.ComponentModel;\nusing System.IO;\nusing System.Linq;\nusing System.Runtime.InteropServices;\nusing System.Text;\npublic class SetupDi\n{\n \/\/\/ <summary>\n \/\/\/ Class Names (Incomplete??)\n \/\/\/ <\/summary>\n public string[] ClassNames =\n {\n \"AudioEndpoint\",\n \"CDROM\",\n \"Computer\",\n \"DiskDrive\",\n \"Display\",\n \"DriverInterface\",\n \"HDC\",\n \"HIDClass\",\n \"Keyboard\",\n \"MEDIA\",\n \"Monitor\",\n \"Mouse\",\n \"Net\",\n \"PrintQueue\",\n \"Processor\",\n \"SCSIAdapter\",\n \"Sensor\",\n \"SoftwareDevice\",\n \"System\",\n \"USB\",\n \"Volume\",\n \"VolumeSnapshot\",\n \"WPD\"\n };\n \/\/\/ <summary>\n \/\/\/ Are we running using 64 or 32 bits\n \/\/\/ <\/summary>\n public bool Is64Bit => IntPtr.Size == 8;\n \/\/\/ <summary>\n \/\/\/ 32 and 64 bit operations require differing offsets within the pointer return values\n \/\/\/ <\/summary>\n public uint OffsetSize => Is64Bit ? 8u : 6u;\n \/\/\/ <summary>\n \/\/\/ Get a list of active drives on the PC.\n \/\/\/ <\/summary>\n public IEnumerable<string> GetDriveReadyList => from driveInfo in DriveInfo.GetDrives() where driveInfo.IsReady select driveInfo.Name;\n \/\/\/ <summary>\n \/\/\/ Get a list of drive: letters and associated MountPoints for active drives.\n \/\/\/ <\/summary>\n public Dictionary<string, string> LogicalDrives\n {\n get\n {\n var _logicalDrives = new Dictionary<string, string>();\n foreach (var drive in GetDriveReadyList)\n {\n var sb = new StringBuilder(1024);\n if (NativeWin32.GetVolumeNameForVolumeMountPoint(drive, sb, sb.Capacity))\n _logicalDrives.Add(drive.Replace(\"\\\\\", \"\"), sb.ToString());\n }\n return _logicalDrives;\n }\n }\n \/\/\/ <summary>\n \/\/\/ Get a list of Drive: -> Disk numbers and associated length and offset information\n \/\/\/ <\/summary>\n public Dictionary<string, List<NativeWin32.DISK_EXTENT>> DiskNumbers\n {\n get\n {\n var _diskNumbers = new Dictionary<string, List<NativeWin32.DISK_EXTENT>>();\n foreach (var ld in LogicalDrives)\n {\n var dkexts = new List<NativeWin32.DISK_EXTENT>();\n var hFile = NativeWin32.CreateFile(@\"\\\\.\\\" + ld.Key, NativeWin32.GENERIC_READ, NativeWin32.FILE_SHARE_READ | NativeWin32.FILE_SHARE_WRITE, IntPtr.Zero, NativeWin32.OPEN_EXISTING, 0, IntPtr.Zero);\n if (hFile == (IntPtr) NativeWin32.INVALID_HANDLE_VALUE)\n throw new Win32Exception(Marshal.GetLastWin32Error());\n var size = 1024;\n var buffer = Marshal.AllocHGlobal(size);\n var alloced = buffer;\n var bytesReturned = 0;\n try\n {\n if (!NativeWin32.DeviceIoControl(hFile, NativeWin32.IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, IntPtr.Zero, 0, buffer, size, out bytesReturned, IntPtr.Zero))\n {\n }\n }\n catch (Exception e)\n {\n var m = e.Message;\n }\n finally\n {\n NativeWin32.CloseHandle(hFile);\n }\n if (bytesReturned > 0)\n {\n var vde = new NativeWin32.VOLUME_DISK_EXTENTS();\n var dextent = new NativeWin32.DISK_EXTENT();\n Marshal.PtrToStructure(buffer, vde);\n buffer = new IntPtr(buffer.ToInt64() + Marshal.SizeOf(vde));\n for (var i = 0; i < vde.NumberOfDiskExtents; i++)\n {\n dextent = (NativeWin32.DISK_EXTENT) Marshal.PtrToStructure(buffer, typeof(NativeWin32.DISK_EXTENT));\n dkexts.Add(dextent);\n buffer = new IntPtr(buffer.ToInt64() + Marshal.SizeOf(dextent));\n }\n }\n Marshal.FreeHGlobal(alloced);\n _diskNumbers.Add(ld.Key, dkexts);\n }\n return _diskNumbers;\n }\n }\n \/\/\/ <summary>\n \/\/\/ Associates a drive letter to its physical disk numbers using SetupDi API functions.\n \/\/\/ <\/summary>\n \/\/\/ <returns><\/returns>\n public Dictionary<string, VOLUME_INFO> GetVolumePaths()\n {\n var _volumepaths = new Dictionary<string, VOLUME_INFO>();\n var classGuid = NativeWin32.GUID_DEVINTERFACE.GUID_DEVINTERFACE_VOLUME;\n var hDevInfo = NativeWin32.SetupDiGetClassDevs(ref classGuid, null, IntPtr.Zero, NativeWin32.DICFG.DEVICEINTERFACE | NativeWin32.DICFG.PRESENT);\n if (hDevInfo == (IntPtr) NativeWin32.INVALID_HANDLE_VALUE)\n throw new Exception(\"read hardware information error\");\n var devIndex = 0u;\n do\n {\n var dia = new NativeWin32.SP_DEVICE_INTERFACE_DATA();\n dia.cbSize = (uint) Marshal.SizeOf(typeof(NativeWin32.SP_DEVICE_INTERFACE_DATA));\n if (NativeWin32.SetupDiEnumDeviceInterfaces(hDevInfo, IntPtr.Zero, classGuid, devIndex, ref dia))\n {\n var didd = new NativeWin32.SP_DEVICE_INTERFACE_DETAIL_DATA();\n didd.cbSize = OffsetSize;\n var devInfoData = new NativeWin32.SP_DEVINFO_DATA();\n devInfoData.cbSize = (uint) Marshal.SizeOf(typeof(NativeWin32.SP_DEVINFO_DATA));\n uint nRequiredSize = 0;\n uint nBytes = 1024;\n if (NativeWin32.SetupDiGetDeviceInterfaceDetail(hDevInfo, ref dia, ref didd, nBytes, ref nRequiredSize, ref devInfoData))\n {\n var sb = new StringBuilder(1024);\n if (NativeWin32.GetVolumeNameForVolumeMountPoint(didd.devicePath + @\"\\\", sb, sb.Capacity))\n {\n var cv = sb.ToString();\n var di = new VOLUME_INFO();\n foreach (var V in LogicalDrives)\n if (V.Value.IndexOf(cv, StringComparison.OrdinalIgnoreCase) != -1)\n {\n di.Drive = V.Key;\n di.VolumeMountPoint = cv;\n di.DevicePath = didd.devicePath;\n foreach (var de in DiskNumbers[V.Key])\n {\n di.DiskNumbers.Add(de.DiskNumber);\n di.ExtentLengths.Add(de.ExtentLength);\n di.StartingOffsets.Add(de.StartingOffset);\n }\n _volumepaths.Add(di.Drive.Trim(), di);\n break;\n }\n }\n }\n else\n {\n throw new Win32Exception(Marshal.GetLastWin32Error());\n }\n }\n else\n {\n break;\n }\n devIndex++;\n } while (true);\n NativeWin32.SetupDiDestroyDeviceInfoList(hDevInfo);\n return _volumepaths;\n }\n \/\/\/ <summary>\n \/\/\/ Retrieves a list of All devices installed starting at the base root\n \/\/\/ <\/summary>\n public Dictionary<string, DEVICE_INFO> GetAllGUIDs()\n {\n var DevList = new Dictionary<string, DEVICE_INFO>();\n var classGuid = Guid.Empty;\n var hDevInfo = NativeWin32.SetupDiGetClassDevs(ref classGuid, null, IntPtr.Zero, NativeWin32.DICFG.ALLCLASSES | NativeWin32.DICFG.PRESENT);\n if (hDevInfo == (IntPtr) NativeWin32.INVALID_HANDLE_VALUE)\n throw new Exception(\"read hardware information error\");\n var devIndex = 0;\n do\n {\n var devInfoData = new NativeWin32.SP_DEVINFO_DATA();\n devInfoData.cbSize = (uint) Marshal.SizeOf(typeof(NativeWin32.SP_DEVINFO_DATA));\n devInfoData.classGuid = Guid.Empty;\n devInfoData.devInst = 0;\n devInfoData.reserved = UIntPtr.Zero;\n if (!NativeWin32.SetupDiEnumDeviceInfo(hDevInfo, devIndex, ref devInfoData))\n break;\n var di = new DEVICE_INFO();\n di.Guid = $\"{devInfoData.classGuid}\";\n di.ClassName = $\"{GetClassNameFromGuid(devInfoData.classGuid)}\";\n di.Description = $\"{GetClassDescriptionFromGuid(devInfoData.classGuid)}\";\n di.InstanceID = $\"{GetDeviceInstanceId(hDevInfo, devInfoData)}\";\n di.DI_Capabilities = (NativeWin32.DeviceCapabilities) GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.Capabilities, 0);\n di.FriendlyName = GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.FriendlyName, null);\n di.ClassGuid = GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.ClassGuid, null);\n di.HardwareId = GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.HardwareId, null);\n di.Mfg = GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.Mfg, null);\n di.EnumeratorName = GetProperty(hDevInfo, devInfoData, (uint) NativeWin32.SPDRP.EnumeratorName, null);\n if (!DevList.ContainsValue(di))\n DevList.Add($\"{devIndex}\", di);\n devIndex++;\n } while (true);\n NativeWin32.SetupDiDestroyDeviceInfoList(hDevInfo);\n return DevList;\n }\n \/\/\/ <summary>\n \/\/\/ Get a list of all devices starting a a specified Guid base.\n \/\/\/ <\/summary>\n public IEnumerable<DEVICE_INFO> GetGUIDGroup(string ClassName)\n {\n if (ClassNames.All(c => c.IndexOf(ClassName, StringComparison.OrdinalIgnoreCase) == -1))\n throw new Exception(\"ClassName is Invalid.\");\n var dl = GetAllGUIDs();\n return dl.Values.Where(d => d.ClassName.IndexOf(ClassName, StringComparison.OrdinalIgnoreCase) != -1);\n }\n \/\/\/ <summary>\n \/\/\/ property is SPDRP type\n \/\/\/ <\/summary>\n private static uint GetProperty(IntPtr deviceInfoSet, NativeWin32.SP_DEVINFO_DATA devInfoData, uint property, uint defaultValue)\n {\n var propertyRegDataType = 0u;\n var requiredSize = IntPtr.Zero;\n var propertyBufferSize = (uint) Marshal.SizeOf(typeof(uint));\n var propertyBuffer = Marshal.AllocHGlobal((int) propertyBufferSize);\n if (!NativeWin32.SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref devInfoData, property, propertyRegDataType, propertyBuffer, propertyBufferSize, requiredSize))\n {\n var error = Marshal.GetLastWin32Error();\n if (error != NativeWin32.ERROR_INVALID_DATA)\n throw new Win32Exception(error);\n return defaultValue;\n }\n var value = (uint) Marshal.PtrToStructure(propertyBuffer, typeof(uint));\n Marshal.FreeHGlobal(propertyBuffer);\n return value;\n }\n \/\/\/ <summary>\n \/\/\/ property is SPDRP type\n \/\/\/ <\/summary>\n private Guid GetProperty(IntPtr deviceInfoSet, NativeWin32.SP_DEVINFO_DATA devData, uint property, Guid defaultValue)\n {\n var propertyRegDataType = 0u;\n var requiredSize = IntPtr.Zero;\n var propertyBufferSize = (uint) Marshal.SizeOf(typeof(Guid));\n var propertyBuffer = Marshal.AllocHGlobal((int) propertyBufferSize);\n if (!NativeWin32.SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref devData, property, propertyRegDataType, propertyBuffer, propertyBufferSize, requiredSize))\n {\n Marshal.FreeHGlobal(propertyBuffer);\n var error = Marshal.GetLastWin32Error();\n if (error != NativeWin32.ERROR_INVALID_DATA)\n throw new Win32Exception(error);\n return defaultValue;\n }\n var value = (Guid) Marshal.PtrToStructure(propertyBuffer, typeof(Guid));\n Marshal.FreeHGlobal(propertyBuffer);\n return value;\n }\n \/\/\/ <summary>\n \/\/\/ property is SPDRP type\n \/\/\/ <\/summary>\n private string GetProperty(IntPtr deviceInfoSet, NativeWin32.SP_DEVINFO_DATA devInfoData, uint property, string defaultValue)\n {\n var propertyRegDataType = 0u;\n var requiredSize = IntPtr.Zero;\n var propertyBufferSize = 1024u;\n var propertyBuffer = new StringBuilder((int) propertyBufferSize);\n if (!NativeWin32.SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref devInfoData, property, propertyRegDataType, propertyBuffer, propertyBufferSize, requiredSize))\n {\n var error = Marshal.GetLastWin32Error();\n if (error != NativeWin32.ERROR_INVALID_DATA)\n throw new Win32Exception(error);\n return defaultValue;\n }\n return propertyBuffer.ToString();\n }\n public string GetClassNameFromGuid(Guid guid)\n {\n var result = string.Empty;\n var className = new StringBuilder();\n var iRequiredSize = 0;\n var iSize = 0;\n var b = NativeWin32.SetupDiClassNameFromGuid(ref guid, className, iSize, ref iRequiredSize);\n className = new StringBuilder(iRequiredSize);\n iSize = iRequiredSize;\n b = NativeWin32.SetupDiClassNameFromGuid(ref guid, className, iSize, ref iRequiredSize);\n if (b)\n result = className.ToString();\n return result;\n }\n public string GetClassDescriptionFromGuid(Guid guid)\n {\n var result = string.Empty;\n var classDesc = new StringBuilder(0);\n var iRequiredSize = 0;\n var iSize = 0;\n var b = NativeWin32.SetupDiGetClassDescription(ref guid, classDesc, iSize, ref iRequiredSize);\n classDesc = new StringBuilder(iRequiredSize);\n iSize = iRequiredSize;\n b = NativeWin32.SetupDiGetClassDescription(ref guid, classDesc, iSize, ref iRequiredSize);\n if (b)\n result = classDesc.ToString();\n return result;\n }\n public string GetDeviceInstanceId(IntPtr DeviceInfoSet, NativeWin32.SP_DEVINFO_DATA DeviceInfoData)\n {\n var result = string.Empty;\n var id = new StringBuilder(0);\n var iRequiredSize = 0;\n var iSize = 0;\n var b = NativeWin32.SetupDiGetDeviceInstanceId(DeviceInfoSet, ref DeviceInfoData, id, iSize, ref iRequiredSize);\n id = new StringBuilder(iRequiredSize);\n iSize = iRequiredSize;\n b = NativeWin32.SetupDiGetDeviceInstanceId(DeviceInfoSet, ref DeviceInfoData, id, iSize, ref iRequiredSize);\n if (b)\n result = id.ToString();\n return result;\n }\n public class VOLUME_INFO\n {\n public string DevicePath;\n public List<uint> DiskNumbers = new List<uint>();\n public string Drive;\n public List<ulong> ExtentLengths = new List<ulong>();\n public List<ulong> StartingOffsets = new List<ulong>();\n public string VolumeMountPoint;\n }\n public struct DEVICE_INFO\n {\n public string Guid;\n public string ClassName;\n public string Description;\n public string InstanceID;\n public NativeWin32.DeviceCapabilities DI_Capabilities;\n public string FriendlyName;\n public string ClassGuid;\n public string HardwareId;\n public string Mfg;\n public string EnumeratorName;\n public string Drive;\n public string VolumePath;\n }\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"Gather Information from the Device Setup or Information Class<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[109,110,111,108],"_links":{"self":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/208"}],"collection":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/comments?post=208"}],"version-history":[{"count":1,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/208\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/posts\/208\/revisions\/209"}],"wp:attachment":[{"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/media?parent=208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/categories?post=208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michaeljohnsteiner.com\/index.php\/wp-json\/wp\/v2\/tags?post=208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}