System.IO.Packaging.PackagePart.WriteRelationships C# (CSharp) Méthode

        void WriteRelationships()
        {
            bool exists = Package.PartExists(RelationshipsPartUri);
            if (exists && Relationships.Count == 0)
            {
                Package.DeletePart(RelationshipsPartUri);
                return;
            }

            if (!exists)
            {
                PackagePart part = Package.CreatePart(RelationshipsPartUri, Package.RelationshipContentType);
                part.IsRelationship = true;
            }
            using (Stream s = Package.GetPart(RelationshipsPartUri).GetStream())
                Package.WriteRelationships(Relationships, s);
        }