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.NET 6.0+

CompositeObjectSpace.Contains(Object) Method

Indicates whether a specified object belongs to the current Object Space.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v24.1.dll

NuGet Package: DevExpress.ExpressApp


public override bool Contains(
    object obj


Name Type Description
obj Object

An object this method checks.


Type Description

true if the specified object belongs to the current Object Space; otherwise, false.


Objects that you process can belong to different Object Spaces. For instance, one object can be from a Detail View’s Object Space, another from the invoked pop-up Window’s Object Space. Use the Contains method before changing a certain object in a certain Object Space. The use of a wrong Object Space causes an exception.

This method returns true for all non-persistent types.

See Also