Refactored the hardware code and added the visitor pattern for operations on the computer/hardware/sensor/parameter tree.

GUI/MainForm.cs

@@ -60,6 +60,8 @@ namespace OpenHardwareMonitor.GUI {
     private SensorSystemTray sensorSystemTray;
     private NotifyIcon notifyIcon;
     private StartupManager startupManager = new StartupManager();
+    private SensorProperties sensorProperties = new SensorProperties();
+    private UpdateVisitor updateVisitor = new UpdateVisitor();
 
     public MainForm() {      
       InitializeComponent();
@@ -241,7 +243,7 @@ namespace OpenHardwareMonitor.GUI {
     }
 
     private void timer_Tick(object sender, EventArgs e) {
-      computer.Update();  
+      computer.Accept(updateVisitor);
       treeView.Invalidate();
       plotPanel.Invalidate();
       sensorSystemTray.Redraw();

GUI/SensorProperties.cs

@@ -0,0 +1,76 @@
+/*
+  
+  Version: MPL 1.1/GPL 2.0/LGPL 2.1
+
+  The contents of this file are subject to the Mozilla Public License Version
+  1.1 (the "License"); you may not use this file except in compliance with
+  the License. You may obtain a copy of the License at
+ 
+  http://www.mozilla.org/MPL/
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+  for the specific language governing rights and limitations under the License.
+
+  The Original Code is the Open Hardware Monitor code.
+
+  The Initial Developer of the Original Code is 
+  Michael Möller <m.moeller@gmx.ch>.
+  Portions created by the Initial Developer are Copyright (C) 2009-2010
+  the Initial Developer. All Rights Reserved.
+
+  Contributor(s):
+
+  Alternatively, the contents of this file may be used under the terms of
+  either the GNU General Public License Version 2 or later (the "GPL"), or
+  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+  in which case the provisions of the GPL or the LGPL are applicable instead
+  of those above. If you wish to allow use of your version of this file only
+  under the terms of either the GPL or the LGPL, and not to allow others to
+  use your version of this file under the terms of the MPL, indicate your
+  decision by deleting the provisions above and replace them with the notice
+  and other provisions required by the GPL or the LGPL. If you do not delete
+  the provisions above, a recipient may use your version of this file under
+  the terms of any one of the MPL, the GPL or the LGPL.
+ 
+*/
+
+using System;
+using System.Collections.Generic;
+using OpenHardwareMonitor.Hardware;
+using OpenHardwareMonitor.Utilities;
+
+namespace OpenHardwareMonitor.GUI {
+  public class SensorProperties {
+
+    private IDictionary<Identifier, Properties> properties = 
+      new Dictionary<Identifier, Properties>();
+
+    private Properties GetProperties(ISensor sensor) {
+      Properties value;
+      if (!properties.TryGetValue(sensor.Identifier, out value)) {
+        value = new Properties(sensor.Identifier, sensor.IsDefaultHidden);
+        properties.Add(sensor.Identifier, value);
+      }
+      return value;
+    }
+
+    public bool IsHidden(ISensor sensor) {
+      return GetProperties(sensor).IsHidden;
+    }
+
+    private class Properties {
+      private Identifier identifier;
+      private bool hidden;
+
+      public Properties(Identifier identifier, bool defaultHidden) {
+        this.identifier = identifier;
+
+        hidden = Config.Get(new Identifier(identifier, "hidden").ToString(), 
+          defaultHidden);    
+      }
+
+      public bool IsHidden { get { return hidden; } }
+    }
+  }
+}

GUI/UpdateVisitor.cs

@@ -0,0 +1,58 @@
+/*
+  
+  Version: MPL 1.1/GPL 2.0/LGPL 2.1
+
+  The contents of this file are subject to the Mozilla Public License Version
+  1.1 (the "License"); you may not use this file except in compliance with
+  the License. You may obtain a copy of the License at
+ 
+  http://www.mozilla.org/MPL/
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+  for the specific language governing rights and limitations under the License.
+
+  The Original Code is the Open Hardware Monitor code.
+
+  The Initial Developer of the Original Code is 
+  Michael Möller <m.moeller@gmx.ch>.
+  Portions created by the Initial Developer are Copyright (C) 2009-2010
+  the Initial Developer. All Rights Reserved.
+
+  Contributor(s):
+
+  Alternatively, the contents of this file may be used under the terms of
+  either the GNU General Public License Version 2 or later (the "GPL"), or
+  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+  in which case the provisions of the GPL or the LGPL are applicable instead
+  of those above. If you wish to allow use of your version of this file only
+  under the terms of either the GPL or the LGPL, and not to allow others to
+  use your version of this file under the terms of the MPL, indicate your
+  decision by deleting the provisions above and replace them with the notice
+  and other provisions required by the GPL or the LGPL. If you do not delete
+  the provisions above, a recipient may use your version of this file under
+  the terms of any one of the MPL, the GPL or the LGPL.
+ 
+*/
+
+using System;
+using System.Collections.Generic;
+using OpenHardwareMonitor.Hardware;
+
+namespace OpenHardwareMonitor.GUI {
+  public class UpdateVisitor : IVisitor {
+    public void VisitComputer(IComputer computer) {
+      computer.Traverse(this);
+    }
+
+    public void VisitHardware(IHardware hardware) {
+      hardware.Update();
+      foreach (IHardware subHardware in hardware.SubHardware)
+        subHardware.Accept(this);
+    }
+
+    public void VisitSensor(ISensor sensor) { }
+
+    public void VisitParameter(IParameter parameter) { }
+  }
+}

Hardware/ATI/ATIGPU.cs

@@ -82,23 +82,19 @@ namespace OpenHardwareMonitor.Hardware.ATI {
 
     public int DeviceNumber { get { return deviceNumber; } }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("atigpu", adapterIndex.ToString()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
-    public string GetReport() {
-      return null;
-    }
-
-    public void Update() {
+    public override void Update() {
       ADLTemperature adlt = new ADLTemperature();
       if (ADL.ADL_Overdrive5_Temperature_Get(adapterIndex, 0, ref adlt)
         == ADL.ADL_OK) 

Hardware/CPU/AMD0FCPU.cs

@@ -117,23 +117,19 @@ namespace OpenHardwareMonitor.Hardware.CPU {
       Update();                   
     }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("amdcpu", processorIndex.ToString()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
-    public string GetReport() {
-      return null;
-    }
-
-    public void Update() {
+    public override void Update() {
       if (pciAddress != 0xFFFFFFFF) {
         for (uint i = 0; i < coreTemperatures.Length; i++) {
           if (WinRing0.WritePciConfigDwordEx(

Hardware/CPU/AMD10CPU.cs

@@ -99,23 +99,19 @@ namespace OpenHardwareMonitor.Hardware.CPU {
       Update();                   
     }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("amdcpu", processorIndex.ToString()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
-    public string GetReport() {
-      return null;
-    }
-
-    public void Update() {
+    public override void Update() {
       if (pciAddress != 0xFFFFFFFF) {
         uint value;
         if (WinRing0.ReadPciConfigDwordEx(pciAddress,

Hardware/CPU/IntelCPU.cs

@@ -233,15 +233,15 @@ namespace OpenHardwareMonitor.Hardware.CPU {
       Update();                   
     }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("intelcpu", processorIndex.ToString()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
@@ -258,7 +258,7 @@ namespace OpenHardwareMonitor.Hardware.CPU {
       }
     }
 
-    public string GetReport() {
+    public override string GetReport() {
       StringBuilder r = new StringBuilder();
 
       r.AppendLine("Intel CPU");
@@ -311,7 +311,7 @@ namespace OpenHardwareMonitor.Hardware.CPU {
         (timeEnd - timeBegin);
     }
 
-    public void Update() {      
+    public override void Update() {      
       for (int i = 0; i < coreTemperatures.Length; i++) {
         uint eax, edx;
         if (WinRing0.RdmsrTx(

Hardware/Computer.cs

@@ -91,21 +91,6 @@ namespace OpenHardwareMonitor.Hardware {
       open = true;
     }
 
-    private void SubHardwareUpdate(IHardware hardware) {
-      foreach (IHardware subHardware in hardware.SubHardware) {
-        subHardware.Update();
-        SubHardwareUpdate(subHardware);
-      }
-    }
-
-    public void Update() {
-      foreach (IGroup group in groups)
-        foreach (IHardware hardware in group.Hardware) {
-          hardware.Update();
-          SubHardwareUpdate(hardware);
-        }
-    }
-
     public bool HDDEnabled {
       get { return hddEnabled; }
       set {
@@ -221,5 +206,15 @@ namespace OpenHardwareMonitor.Hardware {
 
     public event HardwareEventHandler HardwareAdded;
     public event HardwareEventHandler HardwareRemoved;
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitComputer(this);
+    }
+
+    public void Traverse(IVisitor visitor) {
+      foreach (IGroup group in groups)
+        foreach (IHardware hardware in group.Hardware) 
+          hardware.Accept(visitor);
+    }
   }
 }

Hardware/HDD/HDD.cs

@@ -111,5 +111,11 @@ namespace OpenHardwareMonitor.Hardware.HDD {
     public event SensorEventHandler SensorAdded;
     public event SensorEventHandler SensorRemoved;
     #pragma warning restore 67    
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitHardware(this);
+    }
+
+    public void Traverse(IVisitor visitor) { }
   }
 }

Hardware/Hardware.cs

@@ -37,11 +37,13 @@
 
 using System;
 using System.Collections.Generic;
+using System.Drawing;
+using OpenHardwareMonitor.Utilities;
 
 namespace OpenHardwareMonitor.Hardware {
-  public abstract class Hardware {
+  public abstract class Hardware : IHardware {
 
-    private List<ISensor> active = new List<ISensor>();
+    private ListSet<ISensor> active = new ListSet<ISensor>();
 
     public IHardware[] SubHardware {
       get { return new IHardware[0]; }
@@ -52,24 +54,39 @@ namespace OpenHardwareMonitor.Hardware {
     }
 
     protected void ActivateSensor(Sensor sensor) {
-      if (!active.Contains(sensor)) {
-        active.Add(sensor);
+      if (active.Add(sensor)) 
         if (SensorAdded != null)
           SensorAdded(sensor);
     }
-    }
 
     protected void DeactivateSensor(Sensor sensor) {
-      if (active.Contains(sensor)) {
-        active.Remove(sensor);
+      if (active.Remove(sensor))
         if (SensorRemoved != null)
           SensorRemoved(sensor);     
     }
-    }
 
     #pragma warning disable 67
     public event SensorEventHandler SensorAdded;
     public event SensorEventHandler SensorRemoved;
     #pragma warning restore 67
+  
+    public abstract string Name { get; }
+    public abstract Identifier Identifier { get; }
+    public abstract Image Icon { get; }
+
+    public virtual string GetReport() {
+      return null;
+    }
+
+    public abstract void Update();
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitHardware(this);
+    }
+
+    public void Traverse(IVisitor visitor) {
+      foreach (ISensor sensor in active)
+        sensor.Accept(visitor);
+    }
   }
 }

Hardware/IComputer.cs

@@ -42,7 +42,7 @@ namespace OpenHardwareMonitor.Hardware {
 
   public delegate void HardwareEventHandler(IHardware hardware);
 
-  public interface IComputer {
+  public interface IComputer : IElement {
 
     IHardware[] Hardware { get; }
 

Hardware/IElement.cs

@@ -0,0 +1,52 @@
+/*
+  
+  Version: MPL 1.1/GPL 2.0/LGPL 2.1
+
+  The contents of this file are subject to the Mozilla Public License Version
+  1.1 (the "License"); you may not use this file except in compliance with
+  the License. You may obtain a copy of the License at
+ 
+  http://www.mozilla.org/MPL/
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+  for the specific language governing rights and limitations under the License.
+
+  The Original Code is the Open Hardware Monitor code.
+
+  The Initial Developer of the Original Code is 
+  Michael Möller <m.moeller@gmx.ch>.
+  Portions created by the Initial Developer are Copyright (C) 2009-2010
+  the Initial Developer. All Rights Reserved.
+
+  Contributor(s):
+
+  Alternatively, the contents of this file may be used under the terms of
+  either the GNU General Public License Version 2 or later (the "GPL"), or
+  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+  in which case the provisions of the GPL or the LGPL are applicable instead
+  of those above. If you wish to allow use of your version of this file only
+  under the terms of either the GPL or the LGPL, and not to allow others to
+  use your version of this file under the terms of the MPL, indicate your
+  decision by deleting the provisions above and replace them with the notice
+  and other provisions required by the GPL or the LGPL. If you do not delete
+  the provisions above, a recipient may use your version of this file under
+  the terms of any one of the MPL, the GPL or the LGPL.
+ 
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenHardwareMonitor.Hardware {
+  
+  public interface IElement {
+    // accept visitor on this element
+    void Accept(IVisitor visitor);
+
+    // call accept(visitor) on all child elements (called only from visitors)
+    void Traverse(IVisitor visitor);
+  }
+
+}

Hardware/IHardware.cs

@@ -43,7 +43,7 @@ namespace OpenHardwareMonitor.Hardware {
 
   public delegate void SensorEventHandler(ISensor sensor);
 
-  public interface IHardware {
+  public interface IHardware : IElement {
 
     string Name { get; }
     Identifier Identifier { get; }

Hardware/IParameter.cs

@@ -40,7 +40,7 @@ using System.Collections.Generic;
 
 namespace OpenHardwareMonitor.Hardware {
 
-  public interface IParameter {
+  public interface IParameter : IElement {
 
     ISensor Sensor { get; }
     Identifier Identifier { get; }

Hardware/ISensor.cs

@@ -55,7 +55,7 @@ namespace OpenHardwareMonitor.Hardware {
     DateTime Time { get; }
   }
 
-  public interface ISensor {
+  public interface ISensor : IElement {
 
     IHardware Hardware { get; }
 

Hardware/IVisitor.cs

@@ -0,0 +1,51 @@
+/*
+  
+  Version: MPL 1.1/GPL 2.0/LGPL 2.1
+
+  The contents of this file are subject to the Mozilla Public License Version
+  1.1 (the "License"); you may not use this file except in compliance with
+  the License. You may obtain a copy of the License at
+ 
+  http://www.mozilla.org/MPL/
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+  for the specific language governing rights and limitations under the License.
+
+  The Original Code is the Open Hardware Monitor code.
+
+  The Initial Developer of the Original Code is 
+  Michael Möller <m.moeller@gmx.ch>.
+  Portions created by the Initial Developer are Copyright (C) 2009-2010
+  the Initial Developer. All Rights Reserved.
+
+  Contributor(s):
+
+  Alternatively, the contents of this file may be used under the terms of
+  either the GNU General Public License Version 2 or later (the "GPL"), or
+  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+  in which case the provisions of the GPL or the LGPL are applicable instead
+  of those above. If you wish to allow use of your version of this file only
+  under the terms of either the GPL or the LGPL, and not to allow others to
+  use your version of this file under the terms of the MPL, indicate your
+  decision by deleting the provisions above and replace them with the notice
+  and other provisions required by the GPL or the LGPL. If you do not delete
+  the provisions above, a recipient may use your version of this file under
+  the terms of any one of the MPL, the GPL or the LGPL.
+ 
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenHardwareMonitor.Hardware {
+
+  public interface IVisitor {
+    void VisitComputer(IComputer computer);
+    void VisitHardware(IHardware hardware);
+    void VisitSensor(ISensor sensor);
+    void VisitParameter(IParameter parameter);
+  }
+
+}

Hardware/LPC/F718XX.cs

@@ -99,7 +99,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       }
     }
 
-    public string GetReport() {
+    public override string GetReport() {
       StringBuilder r = new StringBuilder();
 
       r.AppendLine("LPC " + this.GetType().Name);
@@ -123,7 +123,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       return r.ToString();
     }
 
-    public void Update() {
+    public override void Update() {
 
       foreach (Sensor sensor in voltages) {
         int value = ReadByte((byte)(VOLTAGE_BASE_REG + sensor.Index));

Hardware/LPC/IT87XX.cs

@@ -122,7 +122,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       get { return available; } 
     }
 
-    public string GetReport() {
+    public override string GetReport() {
       StringBuilder r = new StringBuilder();
 
       r.AppendLine("LPC " + this.GetType().Name);
@@ -154,7 +154,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       return r.ToString();
     }
 
-    public void Update() {
+    public override void Update() {
 
       foreach (Sensor sensor in voltages) {
         bool valid;

Hardware/LPC/LPCHardware.cs

@@ -73,15 +73,15 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("lpc", chip.ToString().ToLower()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
   }

Hardware/LPC/LPCIO.cs

@@ -41,7 +41,7 @@ using System.Text;
 using System.Threading;
 
 namespace OpenHardwareMonitor.Hardware.LPC {
-  public class LPCGroup : IGroup {
+  public class LPCIO {
 
     private List<IHardware> hardware = new List<IHardware>();
     private StringBuilder report = new StringBuilder();
@@ -119,7 +119,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       WinRing0.WriteIoPortByte(registerPort, 0xAA);
     }
 
-    public LPCGroup() {
+    public LPCIO() {
       if (!WinRing0.IsAvailable)
         return;
 
@@ -394,7 +394,5 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       } else
         return null;
     }
-
-    public void Close() { }
   }
 }

Hardware/LPC/W836XX.cs

@@ -206,7 +206,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       return value > 0 ? target | mask : target & ~mask;
     }
 
-    public void Update() {
+    public override void Update() {
 
       foreach (Sensor sensor in voltages) {
         if (sensor.Index < 7) {
@@ -300,7 +300,7 @@ namespace OpenHardwareMonitor.Hardware.LPC {
       }
     }
 
-    public string GetReport() {
+    public override string GetReport() {
       StringBuilder r = new StringBuilder();
 
       r.AppendLine("LPC " + this.GetType().Name);

Hardware/Mainboard/Mainboard.cs

@@ -47,7 +47,7 @@ namespace OpenHardwareMonitor.Hardware.Mainboard {
     private string name;
     private Image icon;
 
-    private LPCGroup lpcGroup;
+    private LPCIO lpcGroup;
 
     public Mainboard() {
       this.smbios = new SMBIOS();
@@ -68,7 +68,7 @@ namespace OpenHardwareMonitor.Hardware.Mainboard {
       }
 
       this.icon = Utilities.EmbeddedResources.GetImage("mainboard.png");
-      this.lpcGroup = new LPCGroup();
+      this.lpcGroup = new LPCIO();
     }
 
     public string Name {
@@ -97,9 +97,7 @@ namespace OpenHardwareMonitor.Hardware.Mainboard {
 
     public void Update() { }
 
-    public void Close() {
-      lpcGroup.Close();
-    }
+    public void Close() { }
 
     public IHardware[] SubHardware {
       get { return lpcGroup.Hardware; }
@@ -113,5 +111,14 @@ namespace OpenHardwareMonitor.Hardware.Mainboard {
     public event SensorEventHandler SensorAdded;
     public event SensorEventHandler SensorRemoved;
     #pragma warning restore 67
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitHardware(this);
+    }
+
+    public void Traverse(IVisitor visitor) {
+      foreach (IHardware hardware in lpcGroup.Hardware)
+        hardware.Accept(visitor);     
+    }
   }
 }

Hardware/Nvidia/NvidiaGPU.cs

@@ -89,22 +89,18 @@ namespace OpenHardwareMonitor.Hardware.Nvidia {
       }
     }
 
-    public string Name {
+    public override string Name {
       get { return name; }
     }
 
-    public Identifier Identifier {
+    public override Identifier Identifier {
       get { return new Identifier("nvidiagpu", adapterIndex.ToString()); }
     }
 
-    public Image Icon {
+    public override Image Icon {
       get { return icon; }
     }
 
-    public string GetReport() {
-      return null;
-    }
-
     private NvGPUThermalSettings GetThermalSettings() {
       NvGPUThermalSettings settings = new NvGPUThermalSettings();
       settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;
@@ -117,7 +113,7 @@ namespace OpenHardwareMonitor.Hardware.Nvidia {
       return settings;
     }
 
-    public void Update() {
+    public override void Update() {
       NvGPUThermalSettings settings = GetThermalSettings();
       foreach (Sensor sensor in temperatures) 
         sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;

Hardware/Parameter.cs

@@ -115,5 +115,11 @@ namespace OpenHardwareMonitor.Hardware {
         }
       }
     }
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitParameter(this);
+    }
+
+    public void Traverse(IVisitor visitor) { }
   }
 }

Hardware/Sensor.cs

@@ -205,5 +205,14 @@ namespace OpenHardwareMonitor.Hardware {
       public float Value { get { return value; } }
       public DateTime Time { get { return time; } }
     }
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitSensor(this);
+    }
+
+    public void Traverse(IVisitor visitor) {
+      foreach (IParameter parameter in parameters)
+        parameter.Accept(visitor);
+    }
   }
 }

Hardware/TBalancer/TBalancer.cs

@@ -341,5 +341,11 @@ namespace OpenHardwareMonitor.Hardware.TBalancer {
 
     public event SensorEventHandler SensorAdded;
     public event SensorEventHandler SensorRemoved;
+
+    public void Accept(IVisitor visitor) {
+      visitor.VisitHardware(this);
+    }
+
+    public void Traverse(IVisitor visitor) { }
   }
 }

OpenHardwareMonitor.csproj

@@ -72,10 +72,12 @@
       <DependentUpon>ParameterForm.cs</DependentUpon>
     </Compile>
     <Compile Include="GUI\SensorNotifyIcon.cs" />
+    <Compile Include="GUI\SensorProperties.cs" />
     <Compile Include="GUI\SensorSystemTray.cs" />
     <Compile Include="GUI\StartupManager.cs" />
     <Compile Include="GUI\TaskScheduler.cs" />
     <Compile Include="GUI\TypeNode.cs" />
+    <Compile Include="GUI\UpdateVisitor.cs" />
     <Compile Include="Hardware\CPU\AMD10CPU.cs" />
     <Compile Include="Hardware\CPU\AMD0FCPU.cs" />
     <Compile Include="Hardware\CPU\CPUID.cs" />
@@ -86,6 +88,8 @@
     <Compile Include="Hardware\HDD\SMART.cs" />
     <Compile Include="Hardware\IComputer.cs" />
     <Compile Include="Hardware\Identifier.cs" />
+    <Compile Include="Hardware\IElement.cs" />
+    <Compile Include="Hardware\IVisitor.cs" />
     <Compile Include="Hardware\IParameter.cs" />
     <Compile Include="Hardware\LPC\Chip.cs" />
     <Compile Include="Hardware\LPC\F718XX.cs" />
@@ -115,7 +119,7 @@
     <Compile Include="Hardware\IHardware.cs" />
     <Compile Include="Hardware\ISensor.cs" />
     <Compile Include="Hardware\LPC\IT87XX.cs" />
-    <Compile Include="Hardware\LPC\LPCGroup.cs" />
+    <Compile Include="Hardware\LPC\LPCIO.cs" />
     <Compile Include="GUI\MainForm.cs">
       <SubType>Form</SubType>
     </Compile>

Utilities/ListSet.cs

@@ -36,11 +36,12 @@
 */
 
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Text;
 
 namespace OpenHardwareMonitor.Utilities {
-  public class ListSet<T> {
+  public class ListSet<T> : IEnumerable<T> {
 
     private List<T> list = new List<T>();
 
@@ -66,5 +67,16 @@ namespace OpenHardwareMonitor.Utilities {
       return list.Contains(item);
     }
 
+    public T[] ToArray() {
+      return list.ToArray();
+    }
+
+    public IEnumerator<T> GetEnumerator() {
+      return list.GetEnumerator();
+    }
+
+    IEnumerator IEnumerable.GetEnumerator() {
+      return list.GetEnumerator();
+    }
   }
 }