/// <summary> /// Returns a sorted list of all computer's devices /// </summary> /// <returns></returns> public string[] GetDevicesList() { List <string> HWList = new List <string>(); try { Guid myGUID = System.Guid.Empty; IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT); if (hDevInfo.ToInt32() == Native.INVALID_HANDLE_VALUE) { throw new Exception("Invalid Handle"); } Native.SP_DEVINFO_DATA DeviceInfoData; DeviceInfoData = new Native.SP_DEVINFO_DATA(); DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData); // JDA 28; //is devices exist for class DeviceInfoData.devInst = 0; DeviceInfoData.classGuid = System.Guid.Empty; DeviceInfoData.reserved = 0; UInt32 i; StringBuilder DeviceName = new StringBuilder(""); DeviceName.Capacity = Native.MAX_DEV_LEN; if (!Native.SetupDiEnumDeviceInfo(hDevInfo, 0, DeviceInfoData)) { throw new Exception("No device found, are you kidding? " + Native.GetLastError()); } for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++) { //Declare vars while (!Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_DEVICEDESC, 0, DeviceName, Native.MAX_DEV_LEN, IntPtr.Zero)) { //Skip } HWList.Add(DeviceName.ToString()); } HWList.Sort(); Native.SetupDiDestroyDeviceInfoList(hDevInfo); } catch (Exception ex) { throw new Exception("Failed to enumerate device tree!", ex); } return(HWList.ToArray()); }
private bool RestartDevice(IntPtr hDevInfo, Native.SP_DEVINFO_DATA devInfoData) { int szOfPcp; IntPtr ptrToPcp; int szDevInfoData; IntPtr ptrToDevInfoData; Native.SP_PROPCHANGE_PARAMS pcp = new Native.SP_PROPCHANGE_PARAMS(); pcp.ClassInstallHeader.cbSize = Marshal.SizeOf(typeof(Native.SP_CLASSINSTALL_HEADER)); pcp.ClassInstallHeader.InstallFunction = Native.DIF_PROPERTYCHANGE; pcp.StateChange = Native.DICS_PROPCHANGE; // for reset pcp.Scope = Native.DICS_FLAG_CONFIGSPECIFIC; pcp.HwProfile = 0; szOfPcp = Marshal.SizeOf(pcp); ptrToPcp = Marshal.AllocHGlobal(szOfPcp); Marshal.StructureToPtr(pcp, ptrToPcp, true); szDevInfoData = Marshal.SizeOf(devInfoData); ptrToDevInfoData = Marshal.AllocHGlobal(szDevInfoData); Marshal.StructureToPtr(devInfoData, ptrToDevInfoData, true); bool rslt1 = Native.SetupDiSetClassInstallParams(hDevInfo, ptrToDevInfoData, ptrToPcp, Marshal.SizeOf(typeof(Native.SP_PROPCHANGE_PARAMS))); if (!rslt1) { throw new Exception("SetupDiSetClassInstallParams failed " + Native.GetLastError()); } bool rstl2 = Native.SetupDiCallClassInstaller(Native.DIF_PROPERTYCHANGE, hDevInfo, ptrToDevInfoData); if (!rstl2) { throw new Exception("SetupDiCallClassInstaller failed" + Native.GetLastError()); } if (rslt1 && rstl2) { return(true); } return(false); }