dOPC Client Toolkit Help file
TdOPCSvr.OnTimeout Event
C++
__published: __property TOnOPCTimeoutEvent OnTimeout;
C#
event TOnOPCTimeoutEvent OnTimeout;
Visual Basic
Event OnTimeout As TOnOPCTimeoutEvent

OnTimeout is generated when the connection to the OPC server has timed out. 

The value of property KeepAlive must greater than zero

property KeepAlive

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