Remove duplicate MultiDictionary.

src/AddIns/BackendBindings/CppBinding/CppBinding/Project/DependencyRelation.cs

@@ -7,6 +7,7 @@ using System.Diagnostics;
 using System.Linq;
 using System.Text;
 
+using ICSharpCode.NRefactory.Utils;
 using ICSharpCode.SharpDevelop;
 
 namespace ICSharpCode.CppBinding.Project

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Options/HighlightingOptions.xaml.cs

@@ -3,28 +3,25 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.Specialized;
-using System.ComponentModel;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
 using System.Xml;
 using System.Xml.Linq;
+
 using ICSharpCode.AvalonEdit.Editing;
 using ICSharpCode.AvalonEdit.Folding;
 using ICSharpCode.AvalonEdit.Highlighting;
 using ICSharpCode.AvalonEdit.Highlighting.Xshd;
 using ICSharpCode.AvalonEdit.Rendering;
 using ICSharpCode.Core;
+using ICSharpCode.NRefactory.Utils;
 using ICSharpCode.SharpDevelop;
-using ICSharpCode.SharpDevelop.Bookmarks;
 using ICSharpCode.SharpDevelop.Debugging;
 using ICSharpCode.SharpDevelop.Editor;
-using ICSharpCode.SharpDevelop.Editor.AvalonEdit;
 using ICSharpCode.SharpDevelop.Gui;
 using Microsoft.Win32;
 

src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj

@@ -741,7 +741,6 @@
     <Compile Include="Src\Gui\Dialogs\ReferenceDialog\DiscoveryNetworkCredential.cs" />
     <Compile Include="Src\Services\ProjectService\ProjectLoader.cs" />
     <Compile Include="Src\Util\AtomicBoolean.cs" />
-    <Compile Include="Src\Util\MultiDictionary.cs" />
     <Compile Include="Src\Util\DotnetDetection.cs" />
     <Compile Include="Src\Util\FakeXmlViewContent.cs" />
     <Compile Include="Src\Util\ReactiveExtensions.cs" />

src/Main/Base/Project/Src/Util/MultiDictionary.cs

@@ -1,116 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using ICSharpCode.NRefactory;
-
-namespace ICSharpCode.SharpDevelop
-{
-	/// <summary>
-	/// A dictionary that allows multiple pairs with the same key.
-	/// </summary>
-	public class MultiDictionary<TKey, TValue> : ILookup<TKey, TValue>
-	{
-		readonly Dictionary<TKey, List<TValue>> dict;
-		
-		public MultiDictionary()
-		{
-			dict = new Dictionary<TKey, List<TValue>>();
-		}
-		
-		public MultiDictionary(IEqualityComparer<TKey> comparer)
-		{
-			dict = new Dictionary<TKey, List<TValue>>(comparer);
-		}
-
-		public void Add(TKey key, TValue value)
-		{
-			List<TValue> valueList;
-			if (!dict.TryGetValue(key, out valueList)) {
-				valueList = new List<TValue>();
-				dict.Add(key, valueList);
-			}
-			valueList.Add(value);
-		}
-
-		public bool Remove(TKey key, TValue value)
-		{
-			List<TValue> valueList;
-			if (dict.TryGetValue(key, out valueList)) {
-				if (valueList.Remove(value)) {
-					if (valueList.Count == 0)
-						dict.Remove(key);
-					return true;
-				}
-			}
-			return false;
-		}
-		
-		public void Clear()
-		{
-			dict.Clear();
-		}
-		
-		public IReadOnlyList<TValue> this[TKey key] {
-			get {
-				List<TValue> list;
-				if (dict.TryGetValue(key, out list))
-					return list;
-				else
-					return new TValue[0];
-			}
-		}
-		
-		public int Count {
-			get { return dict.Count; }
-		}
-		
-		IEnumerable<TValue> ILookup<TKey, TValue>.this[TKey key] {
-			get { return this[key]; }
-		}
-		
-		bool ILookup<TKey, TValue>.Contains(TKey key)
-		{
-			return dict.ContainsKey(key);
-		}
-		
-		public IEnumerator<IGrouping<TKey, TValue>> GetEnumerator()
-		{
-			foreach (var pair in dict)
-				yield return new Grouping(pair.Key, pair.Value);
-		}
-		
-		System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
-		{
-			return GetEnumerator();
-		}
-		
-		sealed class Grouping : IGrouping<TKey, TValue>
-		{
-			readonly TKey key;
-			readonly List<TValue> values;
-			
-			public Grouping(TKey key, List<TValue> values)
-			{
-				this.key = key;
-				this.values = values;
-			}
-			
-			public TKey Key {
-				get { return key; }
-			}
-			
-			public IEnumerator<TValue> GetEnumerator()
-			{
-				return values.GetEnumerator();
-			}
-			
-			System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
-			{
-				return values.GetEnumerator();
-			}
-		}
-	}
-}