Indicates whether a particular collection is loaded with objects from the database.
NuGet Package: DevExpress.ExpressApp
An object representing the collection for which it must be determined whether it is loaded with objects from the database.
true, if the specified collection is loaded with objects from the database; otherwise, false.
As a rule, an Object Space works with particular types of collections. These collection types are the ones that are used for Client and Server modes. This method is intended to request whether the passed collection has objects loaded.