11.2 OracleFailoverEventHandler Delegate
The OracleFailoverEventHandler represents the signature of the method that handles the OracleConnection.Failover event.
                  
Declaration
// C# public delegate FailoverReturnCode OracleFailoverEventHandler(object sender, OracleFailoverEventArgs eventArgs);
Requirements
| Provider | ODP.NET, Unmanaged Driver | 
|---|---|
| 
                               Assembly  | 
                           
                               
  | 
                        
| 
                               Namespace  | 
                           
                               
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| 
                               .NET Framework  | 
                           
                               3.5, 4.5, 4.6, 4.7  | 
                        
Not supported in a .NET stored procedure
Parameter
- 
                        
senderThe source of the event.
 - 
                        
eventArgsThe
OracleFailoverEventArgsobject that contains the event data. 
Return Type
An int.
                  
Remarks
To receive failover notifications, a callback function can be registered as follows:
ConObj.Failover += new OracleFailoverEventHandler(OnFailover);
The definition of the callback function OnFailover can be as follows: 
                  
public FailoverReturnCode OnFailover(object sender, OracleFailoverEventArgs eventArgs)