IObjectLayer.LoadObjectsAsync(Session, ObjectsQuery[], AsyncLoadObjectsCallback) Method

When implemented by a class, asynchronously loads persistent objects using specified settings and notifies upon completion.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v23.2.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

object LoadObjectsAsync(
    Session session,
    ObjectsQuery[] queries,
    AsyncLoadObjectsCallback callback
)

VB.NET

Function LoadObjectsAsync(
    session As Session,
    queries As ObjectsQuery(),
    callback As AsyncLoadObjectsCallback
) As Object

Parameters

Name	Type	Description
session	Session	A Session that is used to load persistent objects.
queries	ObjectsQuery[]	An array of ObjectsQuery objects specifying queries that are executed to retrieve persistent objects.
callback	DevExpress.Xpo.Helpers.AsyncLoadObjectsCallback	An AsyncLoadObjectsCallback delegate to be called after the objects have been loaded. Use the callback to store the exception information passed as a parameter, and use this information later, to raise the exception again, within the original thread. Do not raise exceptions or modify persistent objects within a callback.

Returns

Type	Description
Object	An object identifying the current asynchronous operation, intended for internal use.