Fixed keyboard navigation in RecentProjectsControl and UpgradeView list views.

src/AddIns/Misc/SearchAndReplace/Project/Gui/SearchFileNode.cs

@@ -5,8 +5,8 @@ using System;
 using System.IO;
 using System.Windows.Controls;
 using System.Windows.Documents;
-
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop;
 using ICSharpCode.SharpDevelop.Editor.Search;
 
 namespace SearchAndReplace
@@ -31,5 +31,10 @@ namespace SearchAndReplace
 				}
 			};
 		}
+		
+		public override void ActivateItem()
+		{
+			FileService.OpenFile(fileName);
+		}
 	}
 }

src/AddIns/Misc/StartPage/Project/Src/RecentProjectsControl.xaml.cs

@@ -79,6 +79,11 @@ namespace ICSharpCode.StartPage
 			public string Path { get; set; }
 			
 			event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged { add { } remove { } }
+			
+			public override string ToString()
+			{
+				return this.Name;
+			}
 		}
 		
 		void lastProjectsDoubleClick(object sender, RoutedEventArgs e)

src/Main/Base/Project/Src/Project/Converter/UpgradeView.xaml.cs

@@ -289,6 +289,11 @@ namespace ICSharpCode.SharpDevelop.Project.Converter
 				get { return this.Project.Name; }
 			}
 			
+			public override string ToString()
+			{
+				return this.Name;
+			}
+			
 			public CompilerVersion CompilerVersion;
 			public TargetFramework TargetFramework;