Fixed SD2-1140: Exception is thrown trying to show completion menu on VB delegate or event declarations.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2064 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/ICSharpCode.TextEditor/Project/Src/Document/FormattingStrategy/DefaultFormattingStrategy.cs

@@ -123,7 +123,7 @@ namespace ICSharpCode.TextEditor.Document
 		{
 			int brackets = -1;
 			// first try "quick find" - find the matching bracket if there is no string/comment in the way
-			for (int i = offset; i > 0; --i) {
+			for (int i = offset; i >= 0; --i) {
 				char ch = document.GetCharAt(i);
 				if (ch == openBracket) {
 					++brackets;

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/NRefactoryResolver/NRefactoryResolver.cs

@@ -1028,7 +1028,7 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			callingMember = GetCurrentMember();
 			if (callingMember != null) {
 				CompilationUnit parsedCu = ParseCurrentMemberAsCompilationUnit(fileContent);
-				if (cu != null) {
+				if (parsedCu != null) {
 					lookupTableVisitor.VisitCompilationUnit(parsedCu, null);
 				}
 			}