protected override bool Convert(MethodBase method, object[] args, out object[] convertedArgs) { convertedArgs = new object[method.DeclareParamCount()]; //Note:if there is args omit(opt/var), use default value or empty array to adjust the number of args. if (args.Length >= convertedArgs.Length) { if (method.IsVarArgs())//Note:Pass in args is more than declare, try convert and build vararg array. { if (!TryConvertArgumentArray(method, args, convertedArgs, convertedArgs.Length - 1)) return false; return TryBuildVarArgArray(method, args, convertedArgs); } else if (args.Length == convertedArgs.Length)//Note:if equal, it might be exact match. return TryConvertArgumentArray(method, args, convertedArgs, args.Length); } else//Note:Check with optarg/vararg, both is possible { if (method.IsOptArg(args.Length) || method.IsVarArgs()) { if (!TryConvertArgumentArray(method, args, convertedArgs, args.Length)) return false; if (method.IsVarArgs()) { RetrieveOptArgDefault(method, convertedArgs, args.Length, method.DeclareParamCount() - args.Length - 1); return TryBuildVarArgArray(method, args, convertedArgs); } else { RetrieveOptArgDefault(method, convertedArgs, args.Length, method.DeclareParamCount() - args.Length); return true; } } } return false; }