QuickOPC User's Guide and Reference
UAMonitoringParameters Constructor(Int32,UADataChangeFilter,Int32,UAQualifiedName)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAMonitoringParameters Class > UAMonitoringParameters Constructor : UAMonitoringParameters Constructor(Int32,UADataChangeFilter,Int32,UAQualifiedName)
The sampling interval (in milliseconds) indicates the fastest rate at which the Server should sample its underlying source for data changes.
Defines the conditions under which a data change notification should be reported.
The requested size of the MonitoredItem queue.
Name of the encoding that the server should use when returning the Value attribute of a variable.
Syntax
'Declaration
 
Public Function New( _
   ByVal samplingInterval As Integer, _
   ByVal dataChangeFilter As UADataChangeFilter, _
   ByVal queueSize As Integer, _
   ByVal encodingName As UAQualifiedName _
)
'Usage
 
Dim samplingInterval As Integer
Dim dataChangeFilter As UADataChangeFilter
Dim queueSize As Integer
Dim encodingName As UAQualifiedName
 
Dim instance As New UAMonitoringParameters(samplingInterval, dataChangeFilter, queueSize, encodingName)

Parameters

samplingInterval
The sampling interval (in milliseconds) indicates the fastest rate at which the Server should sample its underlying source for data changes.
dataChangeFilter
Defines the conditions under which a data change notification should be reported.
queueSize
The requested size of the MonitoredItem queue.
encodingName
Name of the encoding that the server should use when returning the Value attribute of a variable.
Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

The value of an argument is outside the allowable range of values as defined by the invoked method.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

The standard browse names to be used with encodingName are:

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also