'Declaration
<ExtensionAttribute()> <NotNullAttribute()> Public Overloads Shared Function WaitForMultipleItemValues( _ ByVal client As IEasyDAClient, _ ByVal itemArgumentsList As IReadOnlyList(Of DAItemArguments) _ ) As ValueResult()
'Usage
Dim client As IEasyDAClient Dim itemArgumentsList As IReadOnlyList(Of DAItemArguments) Dim value() As ValueResult value = IEasyDAClientExtension2.WaitForMultipleItemValues(client, itemArgumentsList)
[Extension()] [NotNull()] public static ValueResult[] WaitForMultipleItemValues( IEasyDAClient client, IReadOnlyList<DAItemArguments> itemArgumentsList )
[Extension()] [NotNull()] public: static array<ValueResult^>^ WaitForMultipleItemValues( IEasyDAClient^ client, IReadOnlyList<DAItemArguments^>^ itemArgumentsList )
Parameters
- client
- The client object that will perform the operation.
This is typically the OpcLabs.EasyOpc.DataAccess.EasyDAClient object.
The value of this parameter cannot be
null
(Nothing
in Visual Basic). - itemArgumentsList
- List of OPC-DA item arguments (each argument holds server and item descriptor).
The value of this parameter cannot be
null
(Nothing
in Visual Basic).The individual elements of the parameter value cannot be
null
(Nothing
in Visual Basic).
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).