'Declaration
<ExtensionAttribute()> <JetBrains.Annotations.ItemNotNullAttribute()> <JetBrains.Annotations.NotNullAttribute()> Public Overloads Shared Function WaitForMultiple( _ ByVal client As IEasyUAClient, _ ByVal argumentsAndExitPredicateList As IReadOnlyList(Of ValueTuple(Of UAMonitoredItemArguments,Func(Of UAAttributeDataResult,Boolean))), _ ByVal millisecondsTimeout As Integer _ ) As UAAttributeDataResult()
'Usage
Dim client As IEasyUAClient Dim argumentsAndExitPredicateList As IReadOnlyList(Of ValueTuple(Of UAMonitoredItemArguments,Func(Of UAAttributeDataResult,Boolean))) Dim millisecondsTimeout As Integer Dim value() As UAAttributeDataResult value = IEasyUAClientExtension2.WaitForMultiple(client, argumentsAndExitPredicateList, millisecondsTimeout)
[Extension()] [JetBrains.Annotations.ItemNotNull()] [JetBrains.Annotations.NotNull()] public static UAAttributeDataResult[] WaitForMultiple( IEasyUAClient client, IReadOnlyList<ValueTuple<UAMonitoredItemArguments,Func<UAAttributeDataResult,bool>>> argumentsAndExitPredicateList, int millisecondsTimeout )
[Extension()] [JetBrains.Annotations.ItemNotNull()] [JetBrains.Annotations.NotNull()] public: static array<UAAttributeDataResult^>^ WaitForMultiple( IEasyUAClient^ client, IReadOnlyList<ValueTuple<UAMonitoredItemArguments^,Func<UAAttributeDataResult^,bool>^>>^ argumentsAndExitPredicateList, int millisecondsTimeout )
Parameters
- client
- The client object that will perform the operation.
This is typically the OpcLabs.EasyOpc.UA.EasyUAClient object.
The value of this parameter cannot be
null
(Nothing
in Visual Basic). - argumentsAndExitPredicateList
- List of tuples, where each tuple consists of OPC-UA monitored item arguments, and a predicate on OpcLabs.EasyOpc.UA.OperationModel.UAAttributeDataResult determining when the wait is complete.
The value of this parameter cannot be
null
(Nothing
in Visual Basic). - millisecondsTimeout
- The number of milliseconds to wait, or System.Threading.Timeout.Infinite to wait indefinitely.
Return Value
This method never returns null
(Nothing
in Visual Basic).
The individual elements of the returned value are never null
(Nothing
in Visual Basic).