QuickOPC User's Guide and Reference
_EasyDAEngineParameters Interface Properties

OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Engine.ComTypes Namespace : _EasyDAEngineParameters Interface

For a list of all members of this type, see _EasyDAEngineParameters members.

Public Properties
 NameDescription
 PropertyDefault event queue size. The maximum size of the queue each client object uses to temporarily hold generated events before they are consumed by the application. Events that do not fit into the queue will be lost. You should set the size to a number that is sufficient to cope with the difference between the rate events are generated and the rate your application is able to consume them.  
 PropertyThe display string for the current object.  
 PropertyGarbage collection period. Number of milliseconds. Specifies how often the engine reviews the connected OPC servers and items and disconnects from those that are no longer needed.  
 PropertyMaximum client age. Number of milliseconds. When the engine recognizes that there is a connection to some OPC server that is unused for this period of time or longer, it will disconnect from it.  
 PropertyMaximum topic age. Number of milliseconds. When the engine recognizes that there is a connection to some OPC item that is unused for this period of time or longer, it will disconnect from it.  
 PropertyA symbolic name of the current parameter combination if it has a standard name. Empty otherwise.  
 PropertyWorker sleep delay. Number of milliseconds. Specifies how often the engine checks the need to perform tasks such garbage collection, rate adjustment, and final cleanup.  
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Reference

_EasyDAEngineParameters Interface
OpcLabs.EasyOpc.DataAccess.Engine.ComTypes Namespace