QuickOPC User's Guide and Reference
PullMultipleEventNotifications Method (IEasyUAClient)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > IEasyUAClient Interface : PullMultipleEventNotifications Method
Maximum number of event notifications returned.
The number of milliseconds to wait, or System.Threading.Timeout.Infinite (-1) to wait indefinitely.
Attempts to pull multiple OPC event notifications subscribed to by the SubscribeMultipleMonitoredItems or SubscribeEvent method.
Syntax
'Declaration
 
<CanBeNullAttribute()>
<EditorBrowsableAttribute(EditorBrowsableState.Advanced)>
<ElementsNotNullAttribute()>
Function PullMultipleEventNotifications( _
   ByVal maximumCount As Integer, _
   ByVal millisecondsTimeout As Integer _
) As EasyUAEventNotificationEventArgs()
'Usage
 
Dim instance As IEasyUAClient
Dim maximumCount As Integer
Dim millisecondsTimeout As Integer
Dim value() As EasyUAEventNotificationEventArgs
 
value = instance.PullMultipleEventNotifications(maximumCount, millisecondsTimeout)
[CanBeNull()]
[EditorBrowsable(EditorBrowsableState.Advanced)]
[ElementsNotNull()]
EasyUAEventNotificationEventArgs[] PullMultipleEventNotifications( 
   int maximumCount,
   int millisecondsTimeout
)
[CanBeNull()]
[EditorBrowsable(EditorBrowsableState.Advanced)]
[ElementsNotNull()]
array<EasyUAEventNotificationEventArgs^>^ PullMultipleEventNotifications( 
   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
ExceptionDescription
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, Windows Server 2012, Windows Server 2016; .NET Core, .NET 5: Linux, macOS, Microsoft Windows

See Also

Reference

IEasyUAClient Interface
IEasyUAClient Members