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eXpress Persistent Objects
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Docs > API Reference > DevExpress.Xpo.Metadata > XPClassInfo
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V20.2
20.2
20.1
19.2
19.1
18.2
18.1
17.2
.NET Standard 2.0+
.NET Framework 4.5.2+
.NET Standard 2.0+
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XPClassInfo
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XPCustomMemberInfo
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Microsoft.Extensions.DependencyInjection
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XPClassInfo Class

Serves as a base for classes that provide metadata information for a class.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v20.2.dll

Declaration

public abstract class XPClassInfo :
    XPTypeInfo,
    IXPClassInfoProvider,
    IXPDictionaryProvider
Public MustInherit Class XPClassInfo
    Inherits XPTypeInfo
    Implements IXPClassInfoProvider,
               IXPDictionaryProvider

Examples

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