public UseOfPrivateMemberInInheritedNestedClassHighlight(IReferenceExpression referenceExpression)
 {
     ReferenceExpression = referenceExpression;
     this.ToolTip = referenceExpression.GetText() + " is a private member and is accessed from an inherited class. This is not allowed.";
     this.ErrorStripeToolTip = "Private member is accessed from an inherited class.";
 }