Example #1
0
 public void SetEnabled(Boolean enabled)
 {
     using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
         if (dis.IsInvalid)
         {
             throw new Win32Exception();
         }
         SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
         if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
         {
             throw new Win32Exception();
         }
         SP_PROPCHANGE_PARAMS PropChangeParams = new SP_PROPCHANGE_PARAMS();
         PropChangeParams.ClassInstallHeader.cbSize          = Marshal.SizeOf(PropChangeParams.ClassInstallHeader);
         PropChangeParams.ClassInstallHeader.InstallFunction = UsbApi.DIF_PROPERTYCHANGE;
         PropChangeParams.Scope       = UsbApi.DICS_FLAG_GLOBAL; // or use DICS_FLAG_CONFIGSPECIFIC to limit to current HW profile
         PropChangeParams.HwProfile   = 0;                       //Current hardware profile
         PropChangeParams.StateChange = enabled ? UsbApi.DICS_ENABLE : UsbApi.DICS_DISABLE;
         if (!SetupApi.SetupDiSetClassInstallParams(dis, ref dd, ref PropChangeParams.ClassInstallHeader, Marshal.SizeOf(PropChangeParams)))
         {
             throw new Win32Exception();
         }
         if (!SetupApi.SetupDiCallClassInstaller(UsbApi.DIF_PROPERTYCHANGE, dis, ref dd))
         {
             throw new Win32Exception();
         }
     }
 }
Example #2
0
        public static bool RemoveFromSystem(
            SetupApi.DeviceInfoSet devInfoSet,
            string hwID,
            bool strictSearch)
        // WARNING: Removes ONLY the particular device
        // instance referenced by 'devInfoSet'
        {
            SetupApi.SP_DEVINFO_DATA devInfoData;

            devInfoData = FindInSystem(
                hwID,
                devInfoSet,
                strictSearch
                );

            if (devInfoData == null)
            {
                return(false);
            }

            SetupApi.SP_REMOVEDEVICE_PARAMS rparams =
                new SetupApi.SP_REMOVEDEVICE_PARAMS();

            rparams.ClassInstallHeader.cbSize =
                (uint)Marshal.SizeOf(rparams.ClassInstallHeader);

            rparams.ClassInstallHeader.InstallFunction =
                SetupApi.DI_FUNCTION.DIF_REMOVE;

            rparams.HwProfile = 0;
            rparams.Scope     = SetupApi.DI_REMOVE_DEVICE_GLOBAL;
            GCHandle handle1 = GCHandle.Alloc(rparams);

            if (!SetupApi.SetupDiSetClassInstallParams(
                    devInfoSet.Get(),
                    devInfoData,
                    ref rparams,
                    Marshal.SizeOf(rparams)))
            {
                Win32Error.Set("SetupDiSetClassInstallParams");
                throw new Exception(
                          Win32Error.GetFullErrMsg()
                          );
            }

            Trace.WriteLine(
                "Removing device \'" + hwID +
                "\' from system"
                );

            if (!SetupApi.SetupDiCallClassInstaller(
                    SetupApi.DI_FUNCTION.DIF_REMOVE,
                    devInfoSet.Get(),
                    devInfoData))
            {
                Win32Error.Set("SetupDiCallClassInstaller");
                if (Win32Error.GetErrorNo() != WinError.ERROR_KEY_DOES_NOT_EXIST)
                {
                    throw new Exception(
                              Win32Error.GetFullErrMsg()
                              );
                }
            }

            Trace.WriteLine("Remove should have worked");
            return(true);
        }
Example #3
0
        private static void VifDisableEnable(bool enable)
        {
            string action = enable ? "enable" : "disable";

            Trace.WriteLine("===> VifDisableEnable: \'" + action + "\'");

            using (SetupApi.DeviceInfoSet devInfoSet =
                       new SetupApi.DeviceInfoSet(
                           IntPtr.Zero,
                           "XENVIF",
                           IntPtr.Zero,
                           SetupApi.DiGetClassFlags.DIGCF_PRESENT |
                           SetupApi.DiGetClassFlags.DIGCF_ALLCLASSES))
            {
                SetupApi.SP_DEVINFO_DATA devInfoData =
                    new SetupApi.SP_DEVINFO_DATA();

                devInfoData.cbSize = (uint)Marshal.SizeOf(devInfoData);

                for (uint i = 0;
                     SetupApi.SetupDiEnumDeviceInfo(
                         devInfoSet.Get(),
                         i,
                         devInfoData);
                     ++i)
                {
                    SetupApi.PropertyChangeParameters pcParams =
                        new SetupApi.PropertyChangeParameters();

                    pcParams.size       = 8;
                    pcParams.diFunction = SetupApi.DI_FUNCTION.DIF_PROPERTYCHANGE;
                    pcParams.scope      = SetupApi.Scopes.Global;

                    if (enable)
                    {
                        pcParams.stateChange = SetupApi.StateChangeAction.Enable;
                    }
                    else
                    {
                        pcParams.stateChange = SetupApi.StateChangeAction.Disable;
                    }

                    pcParams.hwProfile = 0;
                    var pinned = GCHandle.Alloc(pcParams, GCHandleType.Pinned);

                    byte[] temp = new byte[Marshal.SizeOf(pcParams)];
                    Marshal.Copy(
                        pinned.AddrOfPinnedObject(),
                        temp,
                        0,
                        Marshal.SizeOf(pcParams)
                        );

                    var pdd = GCHandle.Alloc(devInfoData, GCHandleType.Pinned);

                    if (!SetupApi.SetupDiSetClassInstallParams(
                            devInfoSet.Get(),
                            pdd.AddrOfPinnedObject(),
                            pinned.AddrOfPinnedObject(),
                            Marshal.SizeOf(pcParams)))
                    {
                        Win32Error.Set("SetupDiSetClassInstallParams");
                        Trace.WriteLine(Win32Error.GetFullErrMsg());
                    }

                    if (!SetupApi.SetupDiCallClassInstaller(
                            SetupApi.DI_FUNCTION.DIF_PROPERTYCHANGE,
                            devInfoSet.Get(),
                            pdd.AddrOfPinnedObject()))
                    {
                        Win32Error.Set("SetupDiCallClassInstaller");
                        Trace.WriteLine(Win32Error.GetFullErrMsg());
                    }

                    pdd.Free();
                    pinned.Free();
                }
            }
            Trace.WriteLine("<=== VifDisableEnable");
        }