Skip to main content
.NET Framework 4.5.2+

XPClassInfo.CreateMember(String, XPClassInfo, Boolean, Boolean, Attribute[]) Method

Creates a new member metadata which references the specified XPClassInfo object.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v21.2.dll


public XPCustomMemberInfo CreateMember(
    string propertyName,
    XPClassInfo referenceType,
    bool nonPersistent,
    bool nonPublic,
    params Attribute[] attributes


Name Type Description
propertyName String

A String value which specifies the name of the new member.

referenceType XPClassInfo

An XPClassInfo object that provides the metadata of the class which the new property references.

nonPersistent Boolean

true if the new member is not persistent; otherwise, false.

nonPublic Boolean

true if the new member isn’t public; otherwise, false.

attributes Attribute[]

An array of Attribute objects that represent the new member’s attributes.


Type Description

An XPCustomMemberInfo descendant which provides the new member’s metadata


The CreateMember method allows custom members to be created dynamically.


The following sample code shows how to create custom fields using the XPClassInfo.CreateMember method.

using DevExpress.Xpo;
using DevExpress.Xpo.Metadata;
// ...

XPClassInfo customerClassInfo = Session.DefaultSession.GetClassInfo(typeof(Customer));
customerClassInfo.CreateMember("Name", typeof(string));
customerClassInfo.CreateMember("CompanyName", typeof(string));
customerClassInfo.CreateMember("Orders", typeof(XPCollection), true, 
    new AssociationAttribute("CustomerOrders", typeof(Order)), new AggregatedAttribute());
See Also