/// <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 ActionOnDevice(string deviceName, DeviceAction action) { bool bFound = false; 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("Failed to open the device manager"); return(false); } 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; 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 } if (DeviceName.ToString().ToLower().Contains(deviceName.ToLower())) { bFound = true; switch (action) { case DeviceAction.Disable: if (!EnableOrDisableDevice(hDevInfo, DeviceInfoData, false)) { throw new Exception("Failed to disable the device"); } break; case DeviceAction.Enable: if (!EnableOrDisableDevice(hDevInfo, DeviceInfoData, true)) { throw new Exception("Failed to enable the device"); } break; case DeviceAction.Reset: if (!RestartDevice(hDevInfo, DeviceInfoData)) { throw new Exception("Failed to reset the device"); } break; default: throw new Exception("Invalid action."); } break; } } Native.SetupDiDestroyDeviceInfoList(hDevInfo); if (!bFound) { throw new Exception("Device not found"); } return(true); }