fix missing insertion "End Using" (http://community.sharpdevelop.net/forums/p/13149/35570.aspx#35570)

src/AddIns/BackendBindings/VBNetBinding/Project/Src/FormattingStrategy/VBNetFormattingStrategy.cs

@@ -83,7 +83,7 @@ namespace ICSharpCode.VBNetBinding
 			new int[] {
 				Tokens.Class, Tokens.Module, Tokens.Namespace, Tokens.Interface, Tokens.Structure,
 				Tokens.Sub, Tokens.Function, Tokens.Operator, Tokens.Enum,
-				Tokens.If, Tokens.For, Tokens.Do, Tokens.While, Tokens.With, Tokens.Select, Tokens.Try,
+				Tokens.If, Tokens.For, Tokens.Do, Tokens.While, Tokens.With, Tokens.Select, Tokens.Try, Tokens.Using,
 				Tokens.Property, Tokens.Get, Tokens.Set
 			});
 		#endregion

src/AddIns/BackendBindings/VBNetBinding/Test/FormattingStrategy/EndSubTests.cs

@@ -88,6 +88,35 @@ namespace ICSharpCode.VBNetBinding.Tests
 			RunTest(code, cursorOffset, expectedCode, expectedOffset, '\n');
 		}
 		
+		[Test]
+		public void EndUsing()
+		{
+			string code = "Public Class Foo\r\n" +
+				"\tPublic Sub Bar\r\n" +
+				"\t\tUsing a As New StreamReader()\r\n" +
+				"\r\n" + // This extra new line is required. This is the new line just entered by the user.
+				"\tEnd Sub\r\n" +
+				"End Class";
+			
+			string bar = "Using a As New StreamReader()\r\n";
+			int cursorOffset = code.IndexOf(bar) + bar.Length;
+			
+			string expectedCode = "Public Class Foo\r\n" +
+				"\tPublic Sub Bar\r\n" +
+				"\t\tUsing a As New StreamReader()\r\n" +
+				"\t\t\t\r\n" +
+				"\t\tEnd Using\r\n" +
+				"\tEnd Sub\r\n" +
+				"End Class";
+			
+			int expectedOffset = ("Public Class Foo\r\n" +
+			                      "\tPublic Sub Bar\r\n" +
+			                      "\t\tUsing a As New StreamReader()\r\n" +
+			                      "\t\t\t").Length;
+			
+			RunTest(code, cursorOffset, expectedCode, expectedOffset, '\n');
+		}
+		
 		[Test]
 		public void SingleLineIf()
 		{