| Oracle® Data Provider for .NET Developer's Guide 11g Release 2 (11.2.0.3) Part Number E23174-02 | 
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The OracleHAEventHandler delegate represents the signature of the method that handles the OracleConnection.HAEvent event.
// C# public delegate void OracleHAEventHandler(object sender, OracleHAEventArgs eventArgs);
sender
The source of the event.
EventArgs
The OracleHAEventArgs object that contains the event data.
Namespace: Oracle.DataAccess.Client
Assembly: Oracle.DataAccess.dll
ODP.NET Version: ODP.NET for .NET Framework 2.0 or ODP.NET for .NET Framework 4.