Allow for resolving the method perfectly

Author: GrahamTheCoder

ICSharpCode.CodeConverter/CSharp/CompilationErrorFixer.cs

@@ -70,9 +70,8 @@ private SyntaxNode FixOutParameters(ArgumentListSyntax argumentListSyntax)
                 return argumentListSyntax;
             }
 
-            var methodSymbol = _semanticModel.GetSymbolInfo(invocationExpression).CandidateSymbols.OfType<IMethodSymbol>()
-                .FirstOrDefault(s => argumentListSyntax.Arguments.Count == s.Parameters.Length);
-            if (methodSymbol != null)
+            if (_semanticModel.GetSymbolInfo(invocationExpression)
+                .ExtractBestMatch(s => s is IMethodSymbol ims && argumentListSyntax.Arguments.Count == ims.Parameters.Length) is IMethodSymbol methodSymbol)
             {
                 //Won't work for named parameters
                 for (var index = 0;

ICSharpCode.CodeConverter/Util/ISymbolExtensions.cs

@@ -170,14 +170,15 @@ public static ISymbol GetContainingMemberOrThis(this ISymbol symbol)
             }
         }
 
-        public static ISymbol ExtractBestMatch(this SymbolInfo info)
+        public static ISymbol ExtractBestMatch(this SymbolInfo info, Func<ISymbol, bool> isMatch = null)
         {
+            isMatch = isMatch ?? (_ => true);
             if (info.Symbol == null && info.CandidateSymbols.Length == 0)
                 return null;
             if (info.Symbol != null)
                 return info.Symbol;
             if (info.CandidateSymbols.Length == 1)
-                return info.CandidateSymbols[0];
+                return info.CandidateSymbols.FirstOrDefault(isMatch);
             return null;
         }