WaitForMultipleItemValueList Method

Description

Subscribes to the specified OPC-DA items, using a list, and monitors their data until they have at least the quality specified for each item, an error occurs, or the alloted time elapses.

DISPID (Dispatch ID):

For more information, see OpcLabs.EasyOpc.DataAccess.ComTypes._EasyDAClient.WaitForMultipleItemValueList in .NET Reference.

Syntax

Visual Basic
Public Function WaitForMultipleItemValueList( _ ByVal itemGroupArgumentsList As IList, _ ByVal minimumQuality As Variant, _ ByVal millisecondsTimeout As Long _ ) As ElasticVector

Visual Basic

Public Function WaitForMultipleItemValueList( _
   ByVal itemGroupArgumentsList As IList, _
   ByVal minimumQuality As Variant, _
   ByVal millisecondsTimeout As Long _
) As ElasticVector

Parameters

itemGroupArgumentsList
minimumQuality
millisecondsTimeout

Return Type

See OpcLabs.EasyOpc.DataAccess.ComTypes._EasyDAClient.WaitForMultipleItemValueList in .NET Reference.

Remarks

For remarks, see OpcLabs.EasyOpc.DataAccess.ComTypes._EasyDAClient.WaitForMultipleItemValueList in .NET Reference.

Example

For examples, see OpcLabs.EasyOpc.DataAccess.ComTypes._EasyDAClient.WaitForMultipleItemValueList in .NET Reference.