private static bool IsPotentiallyAssignedByRefEventArgument(QualifiedModuleName module, IdentifierReference reference, DeclarationFinder finder)
{
var eventArgExpression = ImmediateEventArgumentExpressionContext(reference);
if (eventArgExpression == null ||
eventArgExpression.BYVAL() != null)
{
return(false);
}
var parameter = finder.FindParameterFromSimpleEventArgumentNotPassedByValExplicitly(eventArgExpression, module);
if (parameter == null)
{
//We have no idea what parameter it is passed to as argument. So, we have to err on the safe side and assume it is passed by reference.
return(true);
}
return(parameter.IsByRef);
}
