Add second suggestion of #841: Searching for a metadata token

ILSpy/SearchPane.cs

@@ -61,6 +61,7 @@ namespace ICSharpCode.ILSpy
 			searchModeComboBox.Items.Add(new { Image = Images.Property, Name = "Property" });
 			searchModeComboBox.Items.Add(new { Image = Images.Event, Name = "Event" });
 			searchModeComboBox.Items.Add(new { Image = Images.Literal, Name = "Constant" });
+			searchModeComboBox.Items.Add(new { Image = Images.Library, Name = "Metadata Token" });
 			searchModeComboBox.SelectedIndex = (int)MainWindow.Instance.SessionSettings.SelectedSearchMode;
 			searchModeComboBox.SelectionChanged += (sender, e) => MainWindow.Instance.SessionSettings.SelectedSearchMode = (SearchMode)searchModeComboBox.SelectedIndex;
 			ContextMenuProvider.Add(listBox);
@@ -297,6 +298,9 @@ namespace ICSharpCode.ILSpy
 
 					if (terms[0].StartsWith("c:", StringComparison.Ordinal))
 						return new LiteralSearchStrategy(terms[0].Substring(2));
+
+					if (terms[0].StartsWith("@", StringComparison.Ordinal))
+						return new MetadataTokenSearchStrategy(terms[0].Substring(1));
 				}
 
 				switch (mode)
@@ -317,6 +321,8 @@ namespace ICSharpCode.ILSpy
 						return new MemberSearchStrategy(terms, MemberSearchKind.Property);
 					case SearchMode.Event:
 						return new MemberSearchStrategy(terms, MemberSearchKind.Event);
+					case SearchMode.Token:
+						return new MetadataTokenSearchStrategy(terms);
 				}
 
 				return null;
@@ -377,6 +383,7 @@ namespace ICSharpCode.ILSpy
 		Field,
 		Property,
 		Event,
-		Literal
+		Literal,
+		Token
 	}
 }

ILSpy/SearchStrategies.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Windows.Media;
@@ -193,6 +194,24 @@ namespace ICSharpCode.ILSpy
 		}
 	}
 
+	class MetadataTokenSearchStrategy : TypeAndMemberSearchStrategy
+	{
+		readonly int searchTermToken;
+
+		public MetadataTokenSearchStrategy(params string[] terms)
+			: base(terms)
+		{
+			if (searchTerm.Length == 1) {
+				int.TryParse(searchTerm[0], NumberStyles.HexNumber, CultureInfo.InvariantCulture, out searchTermToken);
+			}
+		}
+
+		protected override bool MatchName(IMemberDefinition m, Language language)
+		{
+			return m.MetadataToken.ToInt32() == searchTermToken;
+		}
+	}
+
 	class LiteralSearchStrategy : AbstractSearchStrategy
 	{
 		readonly TypeCode searchTermLiteralType;