Implement EnvDTE.CodeElements.Item method.

src/AddIns/Misc/PackageManagement/Project/Src/EnvDTE/CodeElements.cs

@@ -11,5 +11,7 @@ namespace ICSharpCode.PackageManagement.EnvDTE
 		new IEnumerator GetEnumerator();
 		
 		int Count { get; }
+		
+		CodeElement Item(object index);
 	}
 }

src/AddIns/Misc/PackageManagement/Project/Src/EnvDTE/CodeElementsInNamespace.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 
 using ICSharpCode.SharpDevelop.Dom;
 
@@ -71,5 +72,23 @@ namespace ICSharpCode.PackageManagement.EnvDTE
 		{
 			return codeElements.GetEnumerator();
 		}
+		
+		public CodeElement Item(object index)
+		{
+			if (index is int) {
+				return Item((int)index);
+			}
+			return Item((string)index);
+		}
+		
+		CodeElement Item(int index)
+		{
+			return codeElements[index - 1];
+		}
+		
+		CodeElement Item(string name)
+		{
+			return codeElements.Single(element => element.Name == name);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/EnvDTE/CodeElementsInNamespaceTests.cs

@@ -110,5 +110,27 @@ namespace PackageManagement.Tests.EnvDTE
 			
 			Assert.AreEqual("GrandChild", grandChildNamespace.Name);
 		}
+		
+		[Test]
+		public void Item_OneClassCompletionEntryAndFirstItemSelected_ReturnsOneCodeClass()
+		{
+			helper.AddClassToProjectContent("Test", "Test.MyClass");
+			CreateCodeElements("Test");
+			
+			CodeClass2 codeClass = codeElements.Item(1) as CodeClass2;
+			
+			Assert.AreEqual("Test.MyClass", codeClass.FullName);
+		}
+		
+		[Test]
+		public void Item_OneClassCompletionEntryAndItemSelectedByName_ReturnsOneCodeClass()
+		{
+			helper.AddClassToProjectContent("Test", "Test.MyClass");
+			CreateCodeElements("Test");
+			
+			CodeClass2 codeClass = codeElements.Item("MyClass") as CodeClass2;
+			
+			Assert.AreEqual("Test.MyClass", codeClass.FullName);
+		}
 	}
 }