fixed http://community.sharpdevelop.net/forums/t/12216.aspx

src/AddIns/BackendBindings/VBNetBinding/Project/Src/CompletionDataHelper.cs

@@ -65,10 +65,10 @@ namespace ICSharpCode.VBNetBinding
 							rr = new MemberResolveResult(rr.CallingClass, rr.CallingMember, singleMethod);
 					}
 					
-					data = rr.GetCompletionData(info.CompilationUnit.ProjectContent, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces)
-						?? new NRefactoryResolver(LanguageProperties.VBNet)
-						.CtrlSpace(editor.Caret.Line, editor.Caret.Column, info, editor.Document.Text,
-						           expressionResult.Context, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces);
+					if (rr is IntegerLiteralResolveResult && pressedKey == '.')
+						return result;
+					
+					data = rr.GetCompletionData(info.CompilationUnit.ProjectContent, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces) ?? new List<ICompletionEntry>();
 					
 					resolvedType = rr.ResolvedType;
 				}

src/AddIns/BackendBindings/VBNetBinding/Project/Src/VBNetCompletionBinding.cs

@@ -93,8 +93,10 @@ namespace ICSharpCode.VBNetBinding
 					
 					result = ef.FindExpression(editor.Document.Text, index);
 					LoggingService.Debug("CC: After dot, result=" + result + ", context=" + result.Context);
-					ShowCompletion(result, editor, ch);
-					return CodeCompletionKeyPressResult.Completed;
+					if (ShowCompletion(result, editor, ch))
+						return CodeCompletionKeyPressResult.Completed;
+					else
+						return CodeCompletionKeyPressResult.None;
 				case '@':
 					if (editor.Caret.Offset > 0 && editor.Document.GetCharAt(editor.Caret.Offset - 1) == '.')
 						return CodeCompletionKeyPressResult.None;
@@ -172,11 +174,12 @@ namespace ICSharpCode.VBNetBinding
 			return false;
 		}
 
-		static void ShowCompletion(ExpressionResult result, ITextEditor editor, char ch)
+		static bool ShowCompletion(ExpressionResult result, ITextEditor editor, char ch)
 		{
 			VBNetCompletionItemList list = CompletionDataHelper.GenerateCompletionData(result, editor, ch);
 			list.Editor = editor;
 			list.Window = editor.ShowCompletionWindow(list);
+			return list.Items.Any();
 		}
 		
 		#region Helpers

src/AddIns/BackendBindings/VBNetBinding/Test/CodeCompletionTests.cs

@@ -17,7 +17,7 @@ namespace ICSharpCode.VBNetBinding.Tests
 		[Test]
 		public void TestEmptyFile()
 		{
-			TestKeyPress("", "", 'o', CodeCompletionKeyPressResult.CompletedIncludeKeyInCompletion,
+			TestKeyPress("|", 'o', CodeCompletionKeyPressResult.CompletedIncludeKeyInCompletion,
 			             list => {
 			             	Assert.IsTrue(list.Items.Any());
 			             	Assert.IsTrue(list.Items.All(item => item.Image == ClassBrowserIconService.Keyword));
@@ -32,7 +32,7 @@ namespace ICSharpCode.VBNetBinding.Tests
 		[Test]
 		public void TestOptions()
 		{
-			TestKeyPress("Option", "\n", ' ', CodeCompletionKeyPressResult.EatKey,
+			TestKeyPress("Option|\n", ' ', CodeCompletionKeyPressResult.EatKey,
 			             list => {
 			             	Assert.IsTrue(list.Items.Any());
 			             	Assert.IsTrue(list.Items.All(item => item.Image == ClassBrowserIconService.Keyword));
@@ -45,7 +45,7 @@ namespace ICSharpCode.VBNetBinding.Tests
 		[Test]
 		public void TestOptionCompare()
 		{
-			TestKeyPress("Option Compare", "\n", ' ', CodeCompletionKeyPressResult.EatKey,
+			TestKeyPress("Option Compare|\n", ' ', CodeCompletionKeyPressResult.EatKey,
 			             list => {
 			             	Assert.IsTrue(list.Items.Any());
 			             	Assert.IsTrue(list.Items.All(item => item.Image == ClassBrowserIconService.Keyword));
@@ -59,7 +59,7 @@ namespace ICSharpCode.VBNetBinding.Tests
 		public void TestOnOffOptions()
 		{
 			foreach (string option in new[] { "Infer", "Strict", "Explicit" }) {
-				TestKeyPress(string.Format("Option {0} ", option), "\n", 'o', CodeCompletionKeyPressResult.CompletedIncludeKeyInCompletion,
+				TestKeyPress(string.Format("Option {0} |\n", option), 'o', CodeCompletionKeyPressResult.CompletedIncludeKeyInCompletion,
 				             list => {
 				             	Assert.IsTrue(list.Items.Any());
 				             	Assert.IsTrue(list.Items.All(item => item.Image == ClassBrowserIconService.Keyword));
@@ -77,5 +77,47 @@ namespace ICSharpCode.VBNetBinding.Tests
 			foreach (string element in expected)
 				Assert.Contains(element, items);
 		}
+		
+		[Test]
+		public void TestDotAfterDigit()
+		{
+			string text = @"Module Test
+	Public Function fn() As Double
+      Dim f As Double
+      f = 1|
+   End Function
+End Module";
+			
+			TestKeyPress(text, '.', CodeCompletionKeyPressResult.None, list => Assert.IsFalse(list.Items.Any()));
+		}
+		
+		[Test]
+		public void TestDotAfterIdentifier()
+		{
+			string text = @"Module Test
+	Public Function fn(x As Double) As Double
+	      Dim f As Double
+	      f = x|
+   End Function
+End Module";
+			
+			TestKeyPress(text, '.', CodeCompletionKeyPressResult.Completed, list => Assert.IsTrue(list.Items.Any()));
+		}
+		
+		[Test]
+		public void TestWithBlockCtrlSpace()
+		{
+			string text = @"Module Test
+	Sub Test2(a As Exception)
+		With a
+			|
+		End With
+	End Sub
+End Module";
+			
+			// TODO seems to be wrong!
+			
+			TestCtrlSpace(text, true, list => Assert.IsFalse(list.Items.Any(i => i.Text == "InnerException")));
+		}
 	}
 }

src/AddIns/BackendBindings/VBNetBinding/Test/TextEditorBasedTests.cs

@@ -18,10 +18,15 @@ namespace ICSharpCode.VBNetBinding.Tests
 			this.textEditor = new MockTextEditor();
 		}
 		
-		protected void TestCtrlSpace(string fileHeader, string fileFooter, bool expected, Action<ICompletionItemList> constraint)
+		protected void TestCtrlSpace(string file, bool expected, Action<ICompletionItemList> constraint)
 		{
-			this.textEditor.Document.Text = fileHeader + fileFooter;
-			this.textEditor.Caret.Offset = fileHeader.Length;
+			int insertionPoint = file.IndexOf('|');
+			
+			if (insertionPoint < 0)
+				Assert.Fail("insertionPoint not found in text!");
+			
+			this.textEditor.Document.Text = file.Replace("|", "");
+			this.textEditor.Caret.Offset = insertionPoint;
 			this.textEditor.CreateParseInformation();
 			
 			bool invoked = new VBNetCompletionBinding().CtrlSpace(textEditor);
@@ -33,10 +38,15 @@ namespace ICSharpCode.VBNetBinding.Tests
 			constraint(list);
 		}
 		
-		protected void TestKeyPress(string fileHeader, string fileFooter, char keyPressed, CodeCompletionKeyPressResult keyPressResult, Action<ICompletionItemList> constraint)
+		protected void TestKeyPress(string file, char keyPressed, CodeCompletionKeyPressResult keyPressResult, Action<ICompletionItemList> constraint)
 		{
-			this.textEditor.Document.Text = fileHeader + fileFooter;
-			this.textEditor.Caret.Offset = fileHeader.Length;
+			int insertionPoint = file.IndexOf('|');
+			
+			if (insertionPoint < 0)
+				Assert.Fail("insertionPoint not found in text!");
+			
+			this.textEditor.Document.Text = file.Replace("|", "");
+			this.textEditor.Caret.Offset = insertionPoint;
 			this.textEditor.CreateParseInformation();
 			
 			CodeCompletionKeyPressResult result = new VBNetCompletionBinding().HandleKeyPress(textEditor, keyPressed);
@@ -48,10 +58,15 @@ namespace ICSharpCode.VBNetBinding.Tests
 			constraint(list);
 		}
 		
-		protected void TestTextInsert(string fileHeader, string fileFooter, char completionChar, ICompletionItemList list, ICompletionItem item, string expectedOutput, int expectedOffset)
+		protected void TestTextInsert(string file, char completionChar, ICompletionItemList list, ICompletionItem item, string expectedOutput, int expectedOffset)
 		{
-			this.textEditor.Document.Text = fileHeader + fileFooter;
-			this.textEditor.Caret.Offset = fileHeader.Length;
+			int insertionPoint = file.IndexOf('|');
+			
+			if (insertionPoint < 0)
+				Assert.Fail("insertionPoint not found in text!");
+			
+			this.textEditor.Document.Text = file.Replace("|", "");
+			this.textEditor.Caret.Offset = insertionPoint;
 			this.textEditor.CreateParseInformation();
 			
 			CompletionContext context = new CompletionContext() {
@@ -66,10 +81,10 @@ namespace ICSharpCode.VBNetBinding.Tests
 			if (!context.CompletionCharHandled && context.CompletionChar != '\n')
 				this.textEditor.Document.Insert(this.textEditor.Caret.Offset, completionChar + "");
 			
-			string insertedText = this.textEditor.Document.GetText(fileHeader.Length, this.textEditor.Document.TextLength - fileHeader.Length - fileFooter.Length);
+			string insertedText = this.textEditor.Document.GetText(insertionPoint, this.textEditor.Document.TextLength - file.Length + 1);
 			
 			Assert.AreEqual(expectedOutput, insertedText);
-			Assert.AreEqual(fileHeader.Length + expectedOffset, textEditor.Caret.Offset);
+			Assert.AreEqual(insertionPoint + expectedOffset, textEditor.Caret.Offset);
 		}
 	}
 }