bool GetNativeDevInfo(DEVICE_INFO deviceToChangeState, out IntPtr ptrDevInfo, out Native.SP_DEVINFO_DATA devData) { Guid myGUID = System.Guid.Empty; IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT); if (hDevInfo.ToInt64() == Native.INVALID_HANDLE_VALUE) { throw new Exception("Could retrieve handle for device"); } Native.SP_DEVINFO_DATA DeviceInfoData; DeviceInfoData = new Native.SP_DEVINFO_DATA(); //for 32-bit, IntPtr.Size = 4 //for 64-bit, IntPtr.Size = 8 if (IntPtr.Size == 4) { DeviceInfoData.cbSize = 28; } else if (IntPtr.Size == 8) { DeviceInfoData.cbSize = 32; } //is devices exist for class DeviceInfoData.devInst = 0; DeviceInfoData.classGuid = System.Guid.Empty; DeviceInfoData.reserved = 0; UInt32 i; StringBuilder DeviceHardwareId = new StringBuilder(""); StringBuilder DeviceFriendlyName = new StringBuilder(""); DeviceHardwareId.Capacity = DeviceFriendlyName.Capacity = Native.MAX_DEV_LEN; for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++) { //Declare vars Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_HARDWAREID, 0, DeviceHardwareId, Native.MAX_DEV_LEN, IntPtr.Zero); Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_FRIENDLYNAME, 0, DeviceFriendlyName, Native.MAX_DEV_LEN, IntPtr.Zero); Console.WriteLine(DeviceHardwareId + " -- " + DeviceFriendlyName); if (DeviceHardwareId.ToString().ToLower().Contains(deviceToChangeState.hardwareId.ToLower()) && DeviceFriendlyName.ToString().ToLower().Contains(deviceToChangeState.friendlyName.ToLower())) { Console.WriteLine("Found: " + DeviceFriendlyName); devData = DeviceInfoData; ptrDevInfo = hDevInfo; return (true); } } Native.SetupDiDestroyDeviceInfoList(hDevInfo); devData = null; ptrDevInfo = IntPtr.Zero; return (false); }
//Name: GetAll //Inputs: none //Outputs: string array //Errors: This method may throw the following errors. // Failed to enumerate device tree! // Invalid handle! //Remarks: This is code I cobbled together from a number of newsgroup threads // as well as some C++ stuff I translated off of MSDN. Seems to work. // The idea is to come up with a list of devices, same as the device // manager does. Currently it uses the actual "system" names for the // hardware. It is also possible to use hardware IDs. See the docs // for SetupDiGetDeviceRegistryProperty in the MS SDK for more details. public string[] GetAll() { 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(); //for 32-bit, IntPtr.Size = 4 //for 64-bit, IntPtr.Size = 8 if (IntPtr.Size == 4) { DeviceInfoData.cbSize = 28; } else if (IntPtr.Size == 8) { DeviceInfoData.cbSize = 32; } //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++) { int iter = 0; //Declare vars while (iter < 5 && !Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_DEVICEDESC, 0, DeviceName, Native.MAX_DEV_LEN, IntPtr.Zero)) { //Skip System.Threading.Thread.Sleep(100); iter++; } HWList.Add(DeviceName.ToString()); } Native.SetupDiDestroyDeviceInfoList(hDevInfo); } catch (Exception ex) { throw new Exception("Failed to enumerate device tree!", ex); } return(HWList.ToArray()); }
//Name: SetDeviceState //Inputs: string[],bool //Outputs: bool //Errors: This method may throw the following exceptions. // Failed to enumerate device tree! //Remarks: This is nearly identical to the method above except it // tries to match the hardware description against the criteria // passed in. If a match is found, that device will the be // enabled or disabled based on bEnable. public bool SetDeviceState(DEVICE_INFO deviceToChangeState, bool bEnable) { Guid myGUID = System.Guid.Empty; IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT); if (hDevInfo.ToInt64() == Native.INVALID_HANDLE_VALUE) { throw new Exception("Could retrieve handle for device"); } Native.SP_DEVINFO_DATA DeviceInfoData; DeviceInfoData = new Native.SP_DEVINFO_DATA(); //for 32-bit, IntPtr.Size = 4 //for 64-bit, IntPtr.Size = 8 if (IntPtr.Size == 4) { DeviceInfoData.cbSize = 28; } else if (IntPtr.Size == 8) { DeviceInfoData.cbSize = 32; } //is devices exist for class DeviceInfoData.devInst = 0; DeviceInfoData.classGuid = System.Guid.Empty; DeviceInfoData.reserved = 0; UInt32 i; StringBuilder DeviceHardwareId = new StringBuilder(""); StringBuilder DeviceFriendlyName = new StringBuilder(""); DeviceHardwareId.Capacity = DeviceFriendlyName.Capacity = Native.MAX_DEV_LEN; for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++) { DeviceFriendlyName.Length = DeviceHardwareId.Length = 0; //Declare vars Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_HARDWAREID, 0, DeviceHardwareId, Native.MAX_DEV_LEN, IntPtr.Zero); Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_FRIENDLYNAME, 0, DeviceFriendlyName, Native.MAX_DEV_LEN, IntPtr.Zero); //Console.WriteLine(DeviceHardwareId + " -- " + DeviceFriendlyName); if (DeviceHardwareId.ToString().ToLower().Contains(deviceToChangeState.hardwareId.ToLower()) && DeviceFriendlyName.ToString().ToLower().Contains(deviceToChangeState.friendlyName.ToLower())) { Console.WriteLine("Found: " + DeviceFriendlyName); bool couldChangeState = ChangeIt(hDevInfo, DeviceInfoData, bEnable); if (!couldChangeState) { throw new Exception("Unable to change " + DeviceFriendlyName + " device state, make sure you have administrator privileges"); } break; } } Native.SetupDiDestroyDeviceInfoList(hDevInfo); return(true); }
//Name: SetDeviceState //Inputs: string[],bool //Outputs: bool //Errors: This method may throw the following exceptions. // Failed to enumerate device tree! //Remarks: This is nearly identical to the method above except it // tries to match the hardware description against the criteria // passed in. If a match is found, that device will the be // enabled or disabled based on bEnable. public bool SetDeviceState(string[] match, bool bEnable) { 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) { return(false); } Native.SP_DEVINFO_DATA DeviceInfoData; DeviceInfoData = new Native.SP_DEVINFO_DATA(); DeviceInfoData.cbSize = 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 } bool bMatch = true; foreach (string search in match) { if (!DeviceName.ToString().ToLower().Contains(search.ToLower())) { bMatch = false; break; } } if (bMatch) { ChangeIt(hDevInfo, DeviceInfoData, bEnable); } } Native.SetupDiDestroyDeviceInfoList(hDevInfo); } catch (Exception ex) { throw new Exception("Failed to enumerate device tree!", ex); return(false); } return(true); }
//Name: GetAll //Inputs: none //Outputs: string array //Errors: This method may throw the following errors. // Failed to enumerate device tree! // Invalid handle! //Remarks: This is code I cobbled together from a number of newsgroup threads // as well as some C++ stuff I translated off of MSDN. Seems to work. // The idea is to come up with a list of devices, same as the device // manager does. Currently it uses the actual "system" names for the // hardware. It is also possible to use hardware IDs. See the docs // for SetupDiGetDeviceRegistryProperty in the MS SDK for more details. public List <DEVICE_INFO> GetAll() { List <DEVICE_INFO> HWList = new List <DEVICE_INFO>(); 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(); //for 32-bit, IntPtr.Size = 4 //for 64-bit, IntPtr.Size = 8 if (IntPtr.Size == 4) { DeviceInfoData.cbSize = 28; }//if else if (IntPtr.Size == 8) { DeviceInfoData.cbSize = 32; }//if //is devices exist for class DeviceInfoData.devInst = 0; DeviceInfoData.classGuid = System.Guid.Empty; DeviceInfoData.reserved = 0; UInt32 i; StringBuilder DeviceName = new StringBuilder(""); StringBuilder DeviceFriendlyName = new StringBuilder(""); StringBuilder DeviceHardwareId = new StringBuilder(""); DeviceName.Capacity = DeviceFriendlyName.Capacity = DeviceHardwareId.Capacity = Native.MAX_DEV_LEN; for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++) { DeviceName.Length = DeviceFriendlyName.Length = DeviceHardwareId.Length = 0; if (!Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_DEVICEDESC, 0, DeviceName, Native.MAX_DEV_LEN, IntPtr.Zero)) { continue; } Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_FRIENDLYNAME, 0, DeviceFriendlyName, Native.MAX_DEV_LEN, IntPtr.Zero); Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_HARDWAREID, 0, DeviceHardwareId, Native.MAX_DEV_LEN, IntPtr.Zero); HWList.Add(new DEVICE_INFO { name = DeviceName.ToString(), friendlyName = DeviceFriendlyName.ToString(), hardwareId = DeviceHardwareId.ToString() }); } Native.SetupDiDestroyDeviceInfoList(hDevInfo); } catch (Exception ex) { throw new Exception("Failed to enumerate device tree!", ex); } return(HWList); }
public HWinfoModel[] GetAll() { List <HWinfoModel> HWList = new List <HWinfoModel>(); 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 = 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++) { Debug.WriteLine(i + "- " + DeviceInfoData.classGuid); //Declare vars int skip = 0; while (!Native.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Native.SPDRP_DEVICEDESC, 0, DeviceName, Native.MAX_DEV_LEN, IntPtr.Zero)) { // Debug.WriteLine("Skip"); skip++; if (skip > 1024) { break; } } if (skip < 1024) { if (DeviceInfoData.classGuid == Guid.Parse("{a45c254e-df1c-4efd-8020-67d146a850e0}")) { Debug.WriteLine("ooooh!"); } string devicepath = ""; var DEVPKEY_Device_HardwareIds = new DisableHardware.DEVPROPKEY(); DEVPKEY_Device_HardwareIds.fmtid = new Guid((uint)0x540b947e, (ushort)0x8b40, (ushort)0x45bc, 0xa8, 0xa2, 0x6a, 0x0b, 0x89, 0x4c, 0xbd, 0xa2); DEVPKEY_Device_HardwareIds.pid = 4; try { devicepath = GetStringPropertyForDevice(hDevInfo, DeviceInfoData, DEVPKEY_Device_HardwareIds); if (devicepath != "") { Debug.WriteLine(devicepath); } } catch { } HWList.Add(new HWinfoModel { Name = DeviceName.ToString(), Pointer = hDevInfo, ClassGuid = DeviceInfoData.classGuid }); } } Native.SetupDiDestroyDeviceInfoList(hDevInfo); } catch (Exception ex) { throw new Exception("Failed to enumerate device tree!", ex); } return(HWList.ToArray()); }