OPC Studio User's Guide and Reference
DAReadParameters Class Properties


OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess Namespace : DAReadParameters Class

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

Public Properties
 NameDescription
Public Propertystatic (Shared in Visual Basic)CacheSourceRead parameters that specify the cache data source.  
Public PropertyDataSourceSelects the data source for OPC reads (from device, from OPC cache, or dynamically determined).  
Public Propertystatic (Shared in Visual Basic)DefaultDefault read parameters.  
Public Propertystatic (Shared in Visual Basic)DeviceSourceRead parameters that specify the device data source.  
Public PropertyStandardNameA symbolic name of the current parameter combination if it has a standard name. Empty otherwise. (Inherited from OpcLabs.BaseLib.Parameters)
Public PropertyValueAgeDetermines the age of value you would like to obtain (in milliseconds).  
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See Also

Reference

DAReadParameters Class
OpcLabs.EasyOpc.DataAccess Namespace
DADataSource Enumeration
DAReadItemArguments Class
ReadParameters Property

 

 

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