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

XPCollection(Session, XPClassInfo, CriteriaOperator, SortProperty[]) Constructor

Initializes a new instance of the XPCollection class with a specified Session and criteria-specific options.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.1.dll


public XPCollection(
    Session session,
    XPClassInfo objType,
    CriteriaOperator theCriteria,
    params SortProperty[] sortProperties


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.

theCriteria CriteriaOperator

The CriteriaOperator that specifies the criteria for object selection.

sortProperties SortProperty[]

An array of the SortProperty that specify the sort order for the collection.


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