First part to support copy from string table

ILSpy/Controls/ResourceStringTable.xaml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <UserControl
 	x:Class="ICSharpCode.ILSpy.Controls.ResourceStringTable" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:controls="clr-namespace:ICSharpCode.ILSpy.Controls">
+	<UserControl.CommandBindings>
+	<CommandBinding Command="ApplicationCommands.Copy"
+					Executed="ExecuteCopy"
+					CanExecute="CanExecuteCopy"/>
+	</UserControl.CommandBindings>
 	<ListView
 		Name="resourceListView">
 		<ListView.View>

ILSpy/Controls/ResourceStringTable.xaml.cs

@@ -32,5 +32,18 @@ namespace ICSharpCode.ILSpy.Controls
 			MaxHeight = MainWindow.Instance.mainPane.ActualHeight-100;
 			resourceListView.ItemsSource = strings;
 		}
+		
+		void ExecuteCopy(object sender, ExecutedRoutedEventArgs args)
+		{
+			if (resourceListView.SelectionMode == SelectionMode.Single)
+				return;
+			else if (resourceListView.SelectionMode == SelectionMode.Multiple)
+				return;
+		}
+		
+		void CanExecuteCopy(object sender, CanExecuteRoutedEventArgs args)
+		{
+			args.CanExecute = true;
+		}
 	}
 }