Debugger visualizers - merge a few small helper

files. Rename Graph -> GraphVisualizer.

src/AddIns/Debugger/Debugger.AddIn/Debugger.AddIn.csproj

@@ -158,72 +158,67 @@
     <Compile Include="Visualizers\Common\ObjectPropertyComparer.cs" />
     <Compile Include="Visualizers\Common\VirtualizingCollection.cs" />
     <Compile Include="Visualizers\Common\VirtualizingObservableCollection.cs" />
-    <Compile Include="Visualizers\Graph\Drawing\BoolToBoldConverter.cs" />
-    <Compile Include="Visualizers\Graph\Drawing\CanvasLocationAdapter.cs" />
-    <Compile Include="Visualizers\Graph\Drawing\GraphDrawer.cs" />
-    <Compile Include="Visualizers\Graph\Drawing\PositionedGraphNodeControl.xaml.cs" />
-    <Compile Include="Visualizers\Graph\ExpandedPaths\Expanded.cs" />
-    <Compile Include="Visualizers\Graph\ExpandedPaths\ExpandedContentNodes.cs" />
-    <Compile Include="Visualizers\Graph\ExpandedPaths\ExpandedExpressions.cs" />
-    <Compile Include="Visualizers\Graph\ExpandedPaths\ExpandedPaths.cs" />
-    <Compile Include="Visualizers\Graph\GraphExpression.cs" />
-    <Compile Include="Visualizers\Graph\Layout\GraphDiff.cs" />
-    <Compile Include="Visualizers\Graph\Layout\GraphEdgeRouter.cs" />
-    <Compile Include="Visualizers\Graph\Layout\GraphMatcher.cs" />
-    <Compile Include="Visualizers\Graph\Layout\PositionedEdge.cs" />
-    <Compile Include="Visualizers\Graph\Layout\PositionedGraph.cs" />
-    <Compile Include="Visualizers\Graph\Layout\PositionedNode.cs" />
-    <Compile Include="Visualizers\Graph\Layout\PositionedNodeProperty.cs" />
-    <Compile Include="Visualizers\Graph\Layout\PositionedPropertyEventArgs.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\Box.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\Edge.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\EdgeRouter.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\GeomUtils.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\IEdge.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\IPoint.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\IRect.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\Point2D.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph\EdgeStartEnd.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph\RoutedEdge.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph\RouteGraph.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph\RouteGraphEdge.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph\RouteVertex.cs" />
-    <Compile Include="Visualizers\Graph\Layout\SplineRouting\ShortestPath\DijkstraShortestPathFinder.cs" />
-    <Compile Include="Visualizers\Graph\Layout\TreeModel\ContentNode.cs" />
-    <Compile Include="Visualizers\Graph\Layout\TreeModel\ContentNodeEventArgs.cs" />
-    <Compile Include="Visualizers\Graph\Layout\TreeModel\ContentPropertyNode.cs" />
-    <Compile Include="Visualizers\Graph\Layout\Tree\LayoutDirection.cs" />
-    <Compile Include="Visualizers\Graph\Layout\Tree\TreeLayout.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraphControl.xaml.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraphWindow.xaml.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\NamedEdge.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\ObjectGraph.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\ObjectGraphBuilder.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\ObjectGraphNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\ObjectGraphProperty.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\PropertiesFirstComparer.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\AbstractNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\BaseClassNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\NonPublicMembersNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\PropertyNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\RawViewNode.cs" />
-    <Compile Include="Visualizers\Graph\ObjectGraph\TreeModel\ThisNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Drawing\BoolToBoldConverter.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Drawing\CanvasLocationAdapter.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Drawing\GraphDrawer.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Drawing\PositionedGraphNodeControl.xaml.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ExpandedPaths\Expanded.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ExpandedPaths\ExpandedContentNodes.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ExpandedPaths\ExpandedExpressions.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ExpandedPaths\ExpandedPaths.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\GraphExpression.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\GraphDiff.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\GraphEdgeRouter.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\GraphMatcher.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\PositionedEdge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\PositionedGraph.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\PositionedNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\PositionedNodeProperty.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\PositionedPropertyEventArgs.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\Box.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\Edge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\EdgeRouter.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\GeomUtils.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\IEdge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\IPoint.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\IRect.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\Point2D.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph\EdgeStartEnd.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph\RoutedEdge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph\RouteGraph.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph\RouteGraphEdge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph\RouteVertex.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\SplineRouting\ShortestPath\DijkstraShortestPathFinder.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\TreeModel\ContentNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\TreeModel\ContentNodeEventArgs.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\TreeModel\ContentPropertyNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\Tree\LayoutDirection.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\Layout\Tree\TreeLayout.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraphControl.xaml.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraphWindow.xaml.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\NamedEdge.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\ObjectGraph.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\ObjectGraphBuilder.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\ObjectGraphNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\ObjectGraphProperty.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\PropertiesFirstComparer.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\AbstractNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\BaseClassNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\NonPublicMembersNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\PropertyNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\RawViewNode.cs" />
+    <Compile Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel\ThisNode.cs" />
     <Compile Include="Visualizers\GridVisualizer\GridVisualizerWindow.xaml.cs" />
-    <Compile Include="Visualizers\PresentationBindings\DisplayAttribute.cs" />
-    <Compile Include="Visualizers\PresentationBindings\DragScrollViewer.cs" />
-    <Compile Include="Visualizers\PresentationBindings\EnumViewModel.cs" />
-    <Compile Include="Visualizers\PresentationBindings\GridViewColumnHider.cs" />
-    <Compile Include="Visualizers\PresentationBindings\GridViewHideableColumn.cs" />
-    <Compile Include="Visualizers\PresentationBindings\TooltipVisibilityConverter.cs" />
+    <Compile Include="Visualizers\Presentation\DisplayAttribute.cs" />
+    <Compile Include="Visualizers\Presentation\DragScrollViewer.cs" />
+    <Compile Include="Visualizers\Presentation\EnumViewModel.cs" />
+    <Compile Include="Visualizers\Presentation\GridViewColumnHider.cs" />
+    <Compile Include="Visualizers\Presentation\GridViewHideableColumn.cs" />
+    <Compile Include="Visualizers\Presentation\TooltipVisibilityConverter.cs" />
     <Compile Include="Visualizers\TextVisualizer\TextVisualizerWindow.xaml.cs" />
     <Compile Include="Visualizers\Utils\DebuggerHelpers.cs" />
-    <Compile Include="Visualizers\Utils\DictionaryExtensions.cs" />
-    <Compile Include="Visualizers\Utils\IEnumerableExtensions.cs" />
-    <Compile Include="Visualizers\Utils\ITreeNode.cs" />
-    <Compile Include="Visualizers\Utils\LinqUtils.cs" />
-    <Compile Include="Visualizers\Utils\ListHelper.cs" />
+    <Compile Include="Visualizers\Utils\Util.cs" />
     <Compile Include="Visualizers\Utils\Multimap.cs" />
-    <Compile Include="Visualizers\Utils\StringHelper.cs" />
     <Compile Include="Visualizers\Utils\TreeFlattener.cs" />
     <Compile Include="Visualizers\Utils\TypeResolver.cs" />
     <EmbeddedResource Include="Service\DebuggeeExceptionForm.resx">
@@ -298,19 +293,19 @@
     <Folder Include="Visualizers" />
     <Folder Include="Visualizers\Commands" />
     <Folder Include="Visualizers\Common" />
-    <Folder Include="Visualizers\Graph" />
-    <Folder Include="Visualizers\Graph\Drawing" />
-    <Folder Include="Visualizers\Graph\ExpandedPaths" />
-    <Folder Include="Visualizers\Graph\Layout" />
-    <Folder Include="Visualizers\Graph\Layout\SplineRouting" />
-    <Folder Include="Visualizers\Graph\Layout\SplineRouting\RouteGraph" />
-    <Folder Include="Visualizers\Graph\Layout\SplineRouting\ShortestPath" />
-    <Folder Include="Visualizers\Graph\Layout\Tree" />
-    <Folder Include="Visualizers\Graph\Layout\TreeModel" />
-    <Folder Include="Visualizers\Graph\ObjectGraph" />
-    <Folder Include="Visualizers\Graph\ObjectGraph\TreeModel" />
+    <Folder Include="Visualizers\GraphVisualizer" />
+    <Folder Include="Visualizers\GraphVisualizer\Drawing" />
+    <Folder Include="Visualizers\GraphVisualizer\ExpandedPaths" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout\SplineRouting" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout\SplineRouting\RouteGraph" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout\SplineRouting\ShortestPath" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout\Tree" />
+    <Folder Include="Visualizers\GraphVisualizer\Layout\TreeModel" />
+    <Folder Include="Visualizers\GraphVisualizer\ObjectGraph" />
+    <Folder Include="Visualizers\GraphVisualizer\ObjectGraph\TreeModel" />
     <Folder Include="Visualizers\GridVisualizer" />
-    <Folder Include="Visualizers\PresentationBindings" />
+    <Folder Include="Visualizers\Presentation" />
     <Folder Include="Visualizers\TextVisualizer" />
     <Folder Include="Visualizers\Utils" />
     <Page Include="Options\DebuggingOptionsPanel.xaml" />
@@ -319,10 +314,10 @@
     <Page Include="Service\EditBreakpointScriptWindow.xaml" />
     <Page Include="Tooltips\DebuggerTooltipControl.xaml" />
     <Page Include="Tooltips\VisualizerPicker.xaml" />
-    <Page Include="Visualizers\Graph\Drawing\NodeControlResources.xaml" />
-    <Page Include="Visualizers\Graph\Drawing\PositionedGraphNodeControl.xaml" />
-    <Page Include="Visualizers\Graph\ObjectGraphControl.xaml" />
-    <Page Include="Visualizers\Graph\ObjectGraphWindow.xaml" />
+    <Page Include="Visualizers\GraphVisualizer\Drawing\NodeControlResources.xaml" />
+    <Page Include="Visualizers\GraphVisualizer\Drawing\PositionedGraphNodeControl.xaml" />
+    <Page Include="Visualizers\GraphVisualizer\ObjectGraphControl.xaml" />
+    <Page Include="Visualizers\GraphVisualizer\ObjectGraphWindow.xaml" />
     <Page Include="Visualizers\GridVisualizer\ColumnPicker.xaml" />
     <Page Include="Visualizers\GridVisualizer\GridVisualizerWindow.xaml" />
     <Page Include="Visualizers\TextVisualizer\TextVisualizerWindow.xaml" />

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/DictionaryExtensions.cs

@@ -1,27 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System;
-using System.Collections.Generic;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	public static class DictionaryExtensions
-	{
-		/// <summary>
-		/// Gets value from Dictionary, returns null if not found.
-		/// </summary>
-		public static TValue GetValue<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, TKey key) where TValue : class
-		{
-			TValue outValue;
-			if (dictionary.TryGetValue(key, out outValue))
-			{
-				return outValue;
-			}
-			else
-			{
-				return null;
-			}
-		}
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/IEnumerableExtensions.cs

@@ -1,29 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System.Collections.Generic;
-using System.Linq;
-using System;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	public static class IEnumerableExtensions
-	{
-		/// <summary>
-		/// Builds Dictionary for quickly searching a collection.
-		/// The keys must be unique.
-		/// </summary>
-		/// <param name="collection">Collection for which to build Dictionary.</param>
-		/// <param name="keySelector">Function returning key by which to index.</param>
-		public static Dictionary<K, V> MakeDictionary<K, V>(this IEnumerable<V> collection, Func<V, K> keySelector)
-		{
-			Dictionary<K, V> dictionary = new Dictionary<K, V>();
-			foreach (V item in collection) {
-				K key = keySelector(item);
-				if (dictionary.ContainsKey(key)) throw new InvalidOperationException("MakeDictionary: key " + key + " seen twice");
-				dictionary[key] = item;
-			}
-			return dictionary;
-		}
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/ITreeNode.cs

@@ -1,17 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System.Collections.Generic;
-using System.Linq;
-using System;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	/// <summary>
-	/// Anything that has recursive children. Used by <see cref="TreeFlattener">.
-	/// </summary>
-	public interface ITreeNode<T>
-	{
-		IEnumerable<T> Children { get; }
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/LinqUtils.cs

@@ -1,20 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System.Collections.Generic;
-using System.Linq;
-using System;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	public static class LinqUtils
-	{
-		public static int MaxOrDefault<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector, int defaultValue)
-		{
-			if (source.Count() == 0)
-				return defaultValue;
-			
-			return source.Max(selector);
-		}
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/ListHelper.cs

@@ -1,35 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System.Collections.Generic;
-using System.Linq;
-using System;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	/// <summary>
-	/// ListHelper wraps System.Collection.Generic.List methods to return the original list,
-	/// instead of returning 'void', so we can write eg. list.Sorted().First()
-	/// </summary>
-	public static class ListHelper
-	{
-		public static List<T> Sorted<T>(this List<T> list, IComparer<T> comparer)
-		{
-			list.Sort(comparer);
-			return list;
-		}
-		
-		public static List<T> Sorted<T>(this List<T> list)
-		{
-			list.Sort();
-			return list;
-		}
-		
-		public static List<T> SingleItemList<T>(this T singleItem)
-		{
-			var newList = new List<T>();
-			newList.Add(singleItem);
-			return newList;
-		}
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/StringHelper.cs

@@ -1,23 +0,0 @@
-// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
-// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace Debugger.AddIn.Visualizers.Utils
-{
-	/// <summary>
-	/// Description of StringHelper.
-	/// </summary>
-	public class StringHelper
-	{
-		public static string Repeat(char c, int count)
-		{
-			StringBuilder sb = new StringBuilder();
-			sb.Append(c, count);
-			return sb.ToString();
-		}
-	}
-}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/TreeFlattener.cs

@@ -8,12 +8,20 @@ using System;
 namespace Debugger.AddIn.Visualizers.Utils
 {
 	/// <summary>
-	/// Walks tree structure to produce flat list.
+	/// Anything that has recursive children. Used by <see cref="TreeFlattener">.
+	/// </summary>
+	public interface ITreeNode<T>
+	{
+		IEnumerable<T> Children { get; }
+	}
+	
+	/// <summary>
+	/// Transforms a tree structure into a flat list.
 	/// </summary>
 	public class TreeFlattener
 	{
 		/// <summary>
-		/// Flattens tree by preorder walk.
+		/// Flattens a tree by preorder walk.
 		/// Does not make copies of the nodes, just returns List of refences to nodes in original tree.
 		/// </summary>
 		public static List<T> Flatten<T>(T root) where T : ITreeNode<T>
@@ -22,34 +30,29 @@ namespace Debugger.AddIn.Visualizers.Utils
 		}
 		
 		/// <summary>
-		/// Flattens tree by preorder walk.
+		/// Flattens a tree by preorder walk.
 		/// Does not make copies of the nodes, just returns List of refences to nodes in original tree.
 		/// </summary>
 		/// <param name="root">Tree root.</param>
 		/// <param name="selectNode">Selector telling which nodes be processed.</param>
 		public static List<T> Flatten<T>(T root, Func<T, bool> selectNode) where T : ITreeNode<T>
 		{
-			if (root == null)
-				throw new ArgumentNullException("root");
-			
+			if (root == null) throw new ArgumentNullException("root");
 			List<T> flattened = new List<T>();
 			flattenRecursive(root, selectNode, flattened);
 			return flattened;
 		}
 		
 		/// <summary>
-		/// Flattens tree by preorder walk.
+		/// Flattens a tree by preorder walk.
 		/// Does not make copies of the nodes, just returns List of refences to nodes in original tree.
 		/// </summary>
 		/// <param name="root">Tree root.</param>
 		/// <param name="selectChildren">Selector telling which nodes should have children processed.</param>
 		public static List<T> FlattenSelectChildrenIf<T>(T root, Func<T, bool> selectChildren) where T : ITreeNode<T>
 		{
-			if (root == null)
-				throw new ArgumentNullException("root");
-			if (selectChildren == null)
-				throw new ArgumentNullException("selectChildren");
-			
+			if (root == null) throw new ArgumentNullException("root");
+			if (selectChildren == null) throw new ArgumentNullException("selectChildren");
 			List<T> flattened = new List<T>();
 			flattenSelectChildrenRecursive(root, selectChildren, flattened);
 			return flattened;
@@ -57,14 +60,10 @@ namespace Debugger.AddIn.Visualizers.Utils
 		
 		public static List<T> FlattenSelectChildrenIf<T>(IEnumerable<T> roots, Func<T, bool> selectChildren) where T : ITreeNode<T>
 		{
-			if (roots == null)
-				throw new ArgumentNullException("root");
-			if (selectChildren == null)
-				throw new ArgumentNullException("selectChildren");
-			
+			if (roots == null) throw new ArgumentNullException("root");
+			if (selectChildren == null) throw new ArgumentNullException("selectChildren");
 			List<T> flattened = new List<T>();
-			foreach (T root in roots)
-			{
+			foreach (T root in roots) {
 				flattenSelectChildrenRecursive(root, selectChildren, flattened);
 			}
 			return flattened;
@@ -72,11 +71,9 @@ namespace Debugger.AddIn.Visualizers.Utils
 		
 		private static void flattenRecursive<T>(T root, Func<T, bool> selectNode, IList<T> flattened) where T : ITreeNode<T>
 		{
-			if (selectNode(root))
-			{
+			if (selectNode(root)) {
 				flattened.Add(root);
-				foreach (T child in root.Children)
-				{
+				foreach (T child in root.Children) {
 					flattenRecursive(child, selectNode, flattened);
 				}
 			}
@@ -85,10 +82,8 @@ namespace Debugger.AddIn.Visualizers.Utils
 		private static void flattenSelectChildrenRecursive<T>(T root, Func<T, bool> selectChildren, IList<T> flattened) where T : ITreeNode<T>
 		{
 			flattened.Add(root);
-			if (selectChildren(root))
-			{
-				foreach (T child in root.Children)
-				{
+			if (selectChildren(root)) {
+				foreach (T child in root.Children) {
 					flattenSelectChildrenRecursive(child, selectChildren, flattened);
 				}
 			}

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/Util.cs

@@ -0,0 +1,75 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Debugger.AddIn.Visualizers.Utils
+{
+	public static class Util
+	{
+		public static int MaxOrDefault<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector, int defaultValue)
+		{
+			if (source.Count() == 0) {
+				return defaultValue;
+			}
+			return source.Max(selector);
+		}
+		
+		public static string Repeat(char c, int count)
+		{
+			StringBuilder sb = new StringBuilder();
+			sb.Append(c, count);
+			return sb.ToString();
+		}
+		
+		/// <summary>
+		/// Gets value from Dictionary. Returns null if not found.
+		/// </summary>
+		public static TValue GetValue<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, TKey key) where TValue : class
+		{
+			TValue outValue;
+			if (dictionary.TryGetValue(key, out outValue)) {
+				return outValue;
+			}
+			return null;
+		}
+		
+		/// <summary>
+		/// Builds a Dictionary for quickly searching a collection. Item keys must be unique.
+		/// </summary>
+		/// <param name="collection">Collection for which to build Dictionary.</param>
+		/// <param name="keySelector">Function returning key by which to index.</param>
+		public static Dictionary<K, V> MakeDictionary<K, V>(this IEnumerable<V> collection, Func<V, K> keySelector)
+		{
+			Dictionary<K, V> dictionary = new Dictionary<K, V>();
+			foreach (V item in collection) {
+				K key = keySelector(item);
+				if (dictionary.ContainsKey(key)) throw new InvalidOperationException("MakeDictionary: key " + key + " seen twice");
+				dictionary[key] = item;
+			}
+			return dictionary;
+		}
+		
+		public static List<T> Sorted<T>(this List<T> list, IComparer<T> comparer)
+		{
+			list.Sort(comparer);
+			return list;
+		}
+		
+		public static List<T> Sorted<T>(this List<T> list)
+		{
+			list.Sort();
+			return list;
+		}
+		
+		public static List<T> SingleItemList<T>(this T singleItem)
+		{
+			var newList = new List<T>();
+			newList.Add(singleItem);
+			return newList;
+		}
+	}
+}