Skip to main content
.NET 6.0+

DevExpress v24.1 Update — Your Feedback Matters

Our What's New in v24.1 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

DevExpress.ExpressApp.DC Namespace

In This Article

Contains classes and interfaces specific to the domain components functionality.

Assemblies: DevExpress.ExpressApp.v24.1.dll, DevExpress.ExpressApp.Xpo.v24.1.dll

#Classes

Name Description
AggregatedAttribute Applied to business class properties. Indicates that a property or field references other aggregated persistent objects.
CalculatedAttribute Applied to business class properties. Specifies an expression used to calculate the target property value in the Data View mode.
CreateInstanceAttribute Specifies that a Domain Component‘s target method will create Domain Component instances.
CustomLogics Arguments passed to the ModuleBase.CustomizeLogics method.
DCBaseObject The default base persistent class for classes that are generated for Domain Components (DC).
DomainComponentAttribute Specifies that a target class should be registered in the types info subsystem and should affect Application Model construction.
DomainLogicAttribute Applied to classes. Specifies that a target class represents a Domain Logic.
FieldSizeAttribute Specifies the maximum number of characters that users can type in Property Editors of the current member. You can also specify the current member’s IModelMember.Size property in the Model Editor. If the value passed to the FieldSize attribute is more than the Size property value, Property Editors ignore the attribute. In the XPO data model, use the SizeAttribute instead of FieldSizeAttribute.
XafDefaultPropertyAttribute Applied to business classes. Specifies the default property.
XafDisplayNameAttribute Specifies the display name of a business class, domain component, property, field or enumeration value.

#Interfaces

Name Description
IAssemblyInfo Declares members implemented by classes that supply metadata information on assemblies.
IBaseInfo Serves as the base interface from which interfaces that supply medatada derive.
IMemberInfo Declares members implemented by classes that supply metadata information on members of a type.
ITypeInfo Declares members implemented by classes that supply metadata information on a type.
ITypesInfo Declares members implemented by the classes that supply metadata on types used in an XAF application.