Used to link a TDataSet descendant as a data source for querying data in TVirtualQuery.
For a list of all members of this type, see TDataSetLink members.
VirtualQuery
TDataSetLink = class(TCollectionItem);
Add a TDataSetLink instance to the TCustomVirtualQuery.SourceDataSets collection using the TDataSetLinks.Add method to link a TDataSet descendant as a data source for querying data in TVirtualQuery.