From 3b2392c4165e1a84c4cff00078b5222cf4fc739b Mon Sep 17 00:00:00 2001
From: Michael Ganss <michael.ganss@updatestar.com>
Date: Fri, 19 Jun 2020 17:15:42 +0200
Subject: [PATCH] Add RequiredAttribute when use="required" (fixes #212)

---
 XmlSchemaClassGenerator/TypeModel.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/XmlSchemaClassGenerator/TypeModel.cs b/XmlSchemaClassGenerator/TypeModel.cs
index 961d0c16..f8681a97 100644
--- a/XmlSchemaClassGenerator/TypeModel.cs
+++ b/XmlSchemaClassGenerator/TypeModel.cs
@@ -935,6 +935,12 @@ public void AddMembersTo(CodeTypeDeclaration typeDeclaration, bool withDataBindi
 
             AddDocs(member);
 
+            if (!IsNullable && Configuration.DataAnnotationMode != DataAnnotationMode.None)
+            {
+                var requiredAttribute = new CodeAttributeDeclaration(new CodeTypeReference(typeof(RequiredAttribute), Configuration.CodeTypeReferenceOptions));
+                member.CustomAttributes.Add(requiredAttribute);
+            }
+
             if (IsDeprecated)
             {
                 // From .NET 3.5 XmlSerializer doesn't serialize objects with [Obsolete] >(