The class is responsible to connection establishment with a DBMS.
Use TADCustomConnection to establish connection to a DBMS and manage associated datasets.
This class hides some of properties, allowing to control visibility of properties by descendant classes. End users should use TADConnection.
TADCustomConnection = class(TCustomConnection, IUnknown, IADStanOptions, IADStanErrorHandler, IADStanObject, IADPhysConnectionRecoveryHandler, IADPhysTransactionStateHandler);
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