PullMultipleDataChangeNotifications Method (EasyUAClient)

Attempts to pull multiple OPC data change notifications subscribed to by the SubscribeMultipleMonitoredItems or SubscribeDataChange method.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Function PullMultipleDataChangeNotifications( _
   ByVal maximumCount As Integer, _
   ByVal millisecondsTimeout As Integer _
) As EasyUADataChangeNotificationEventArgs()

'Usage
 
Dim instance As EasyUAClient
Dim maximumCount As Integer
Dim millisecondsTimeout As Integer
Dim value() As EasyUADataChangeNotificationEventArgs
 
value = instance.PullMultipleDataChangeNotifications(maximumCount, millisecondsTimeout)

public EasyUADataChangeNotificationEventArgs[] PullMultipleDataChangeNotifications( 
   int maximumCount,
   int millisecondsTimeout
)

public:
array<EasyUADataChangeNotificationEventArgs^>^ PullMultipleDataChangeNotifications( 
   int maximumCount,
   int millisecondsTimeout
)

Parameters

maximumCount: Maximum number of event notifications returned.
millisecondsTimeout: The number of milliseconds to wait, or System.Threading.Timeout.Infinite (-1) to wait indefinitely.

Return Value

An array of event arguments, or null if no event is available within the specified time.

Exceptions

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

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2012 R2, Windows Server 2016; .NET: Linux, macOS, Microsoft Windows

Reference

EasyUAClient Class
EasyUAClient Members

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