AVEVA OMI Software Developer Kit



The data reference source array
ReadOnceAsync(DataReferenceSource[]) Method
Read the runtime data once asynchronously. Note: the default timeout of 30 seconds applied by the system.
Syntax
'Declaration
 
Public Overloads MustOverride Function ReadOnceAsync( _
   ByVal dataReferenceSources() As DataReferenceSource _
) As Task(Of VTQ())
'Usage
 
Dim instance As DataSubscription
Dim dataReferenceSources() As DataReferenceSource
Dim value As Task(Of VTQ())
 
value = instance.ReadOnceAsync(dataReferenceSources)
public abstract Task<VTQ[]> ReadOnceAsync( 
   DataReferenceSource[] dataReferenceSources
)
public:
abstract Task<array<VTQ^>>^ ReadOnceAsync( 
   array<DataReferenceSource^>^ dataReferenceSources
) 

Parameters

dataReferenceSources
The data reference source array

Return Value

The VTQ array of the references
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also