QuickOPC User's Guide and Reference
EasyDAItemSubscriptionArguments<T> Constructor(String,String,String,Int32,Object)



OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess.Generic Namespace > EasyDAItemSubscriptionArguments<T> Class > EasyDAItemSubscriptionArguments<T> Constructor : EasyDAItemSubscriptionArguments<T> Constructor(String,String,String,Int32,Object)
Name of the machine. Determines the computer on which the OPC server is located. May be an empty string, in which case the OPC server is assumed to exist on the local computer or at the computer specified for it by DCOM configuration.
Contains ProgID of the OPC server.
Contains OPC item identifier.
How often should the updates be received (number of milliseconds).
The state object (can be any value supplied by your code); available in event notifications.
Initializes a new instance of the class. Initializes a new instance of the class, with the OPC server specified by machine name and server class, the OPC item specified by its ItemId, the OPC group parameters specified by requested update rate, and with a user-defined state object.
Syntax
'Declaration
 
Public Function New( _
   ByVal machineName As String, _
   ByVal serverClass As String, _
   ByVal itemId As String, _
   ByVal requestedUpdateRate As Integer, _
   ByVal state As Object _
)
'Usage
 
Dim machineName As String
Dim serverClass As String
Dim itemId As String
Dim requestedUpdateRate As Integer
Dim state As Object
 
Dim instance As New EasyDAItemSubscriptionArguments(Of T)(machineName, serverClass, itemId, requestedUpdateRate, state)
public EasyDAItemSubscriptionArguments<T>( 
   string machineName,
   string serverClass,
   string itemId,
   int requestedUpdateRate,
   object state
)
public:
EasyDAItemSubscriptionArguments<T>( 
   String^ machineName,
   String^ serverClass,
   String^ itemId,
   int requestedUpdateRate,
   Object^ state
)

Parameters

machineName
Name of the machine. Determines the computer on which the OPC server is located. May be an empty string, in which case the OPC server is assumed to exist on the local computer or at the computer specified for it by DCOM configuration.
serverClass
Contains ProgID of the OPC server.
itemId
Contains OPC item identifier.
requestedUpdateRate
How often should the updates be received (number of milliseconds).
state
The state object (can be any value supplied by your code); available in event notifications.
Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2012, Windows Server 2016; .NET Core, .NET 5, .NET 6: Linux, macOS, Microsoft Windows

See Also

Reference

EasyDAItemSubscriptionArguments<T> Class
EasyDAItemSubscriptionArguments<T> Members
Overload List