.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+
.NET Core 3.0+

XPObjectSpace(ITypesInfo, XpoTypeInfoSource, UInt16, CreateUnitOfWorkHandler) Constructor

Creates a new instance of the XPObjectSpace class.

Namespace: DevExpress.ExpressApp.Xpo

Assembly: DevExpress.ExpressApp.Xpo.v20.1.dll


public XPObjectSpace(
    ITypesInfo typesInfo,
    XpoTypeInfoSource xpoTypeInfoSource,
    ushort hostParametersMaxNumber,
    CreateUnitOfWorkHandler createUnitOfWorkDelegate
Public Sub New(
    typesInfo As ITypesInfo,
    xpoTypeInfoSource As XpoTypeInfoSource,
    hostParametersMaxNumber As UShort,
    createUnitOfWorkDelegate As CreateUnitOfWorkHandler


Name Type Description
typesInfo ITypesInfo

An ITypesInfo object that provides access to XAF-related information on business classes.

xpoTypeInfoSource DevExpress.ExpressApp.DC.Xpo.XpoTypeInfoSource

An XpoTypeInfoSource object that is a source of XPO-related information on business classes.

hostParametersMaxNumber UInt16

A UInt16 value that specifies the maximum number of hosted parameters.

createUnitOfWorkDelegate DevExpress.ExpressApp.Xpo.CreateUnitOfWorkHandler

A CreateUnitOfWorkHandler object that is a delegate that encapsulates a method for creating a UnitOfWork for the Object Space's XPObjectSpace.Session.


When you need to create an Object Space (for example, to create a View), do not create it manually. Instead, use the XafApplication.CreateObjectSpace method.

See Also