METHOD_GET_ARG_COUNT
RequiredArgCount = METHOD_GET_ARG_COUNT (ThisName->Info.ArgumentList);
if (METHOD_GET_ARG_COUNT (ThisName->Info.ArgumentList) > 0)
ArgCount = METHOD_GET_ARG_COUNT (ArgTypeList);
METHOD_GET_ARG_COUNT (Predefined->Info.ArgumentList);
METHOD_GET_ARG_COUNT (Predefined->Info.ArgumentList);
ArgCount = METHOD_GET_ARG_COUNT (ArgumentTypes);