'Declaration
Public Function New( _ ByVal serverDescriptor As ServerDescriptor, _ ByVal itemDescriptor As DAItemDescriptor, _ ByVal groupParameters As DAGroupParameters, _ ByVal readParameters As DAReadParameters _ )
'Usage
Dim serverDescriptor As ServerDescriptor Dim itemDescriptor As DAItemDescriptor Dim groupParameters As DAGroupParameters Dim readParameters As DAReadParameters Dim instance As New DAClientItemSource(serverDescriptor, itemDescriptor, groupParameters, readParameters)
public DAClientItemSource( ServerDescriptor serverDescriptor, DAItemDescriptor itemDescriptor, DAGroupParameters groupParameters, DAReadParameters readParameters )
public: DAClientItemSource( ServerDescriptor^ serverDescriptor, DAItemDescriptor^ itemDescriptor, DAGroupParameters^ groupParameters, DAReadParameters^ readParameters )
Parameters
- serverDescriptor
- The OPC server involved in the operation.
- itemDescriptor
- The OPC item involved in the operation.
- groupParameters
- An object containing subscription parameters, such as the requested update rate.
- readParameters
- The read parameters (such as data source or value age).