.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+

XPCollection(Session, XPClassInfo, IEnumerable, CriteriaOperator) Constructor

Initializes a new instance of the XPCollection class by copying objects from a specific collection using specified settings.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.1.dll

Declaration

public XPCollection(
    Session session,
    XPClassInfo objType,
    IEnumerable originalCollection,
    CriteriaOperator copyFilter
)

Parameters

Name Type Description
session Session

The Session that will be used to load and save persistent objects.

objType XPClassInfo

The persistent class’s metadata information of objects to include into the collection.

originalCollection IEnumerable

An object that implements the IEnumerable interface.

copyFilter CriteriaOperator

The CriteriaOperator that specifies the criteria for object selection from the originalCollection.

Remarks

If the XPBaseCollection.LoadingEnabled property is set to true (default value) the collection is populated with objects when its contents are accessed for the first time (for instance, when the XPBaseCollection.Count property is read).

The newly created collection will use the specified session to load and save persistent objects.

See Also