QuickOPC User's Guide and Reference
WaitForMultipleItems Method



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Extensions Namespace > IEasyDAClientExtension2 Class : WaitForMultipleItems Method
Subscribes to the specified OPC-DA items, and monitors their data until the predicates specified for each item become true, or the alloted time elapses.
Overload List
OverloadDescription
WaitForMultipleItems(IEasyDAClient,IReadOnlyList<ValueTuple<DAItemGroupArguments,Func<DAVtqResult,Boolean>>>)Subscribes to the specified OPC-DA items, and monitors their data until the predicates specified for each item become true, or the alloted time elapses.  
WaitForMultipleItems(IEasyDAClient,IReadOnlyList<ValueTuple<DAItemGroupArguments,Func<EasyDAItemChangedEventArgs,Boolean>>>)Subscribes to the specified OPC-DA items, and monitors their data until the predicates specified for each item become true, or the alloted time elapses.  
WaitForMultipleItems(IEasyDAClient,IReadOnlyList<ValueTuple<DAItemGroupArguments,Func<DAVtqResult,Boolean>>>,Int32)Subscribes to the specified OPC-DA items, and monitors their data until the predicates specified for each item become true, or the alloted time elapses.  
WaitForMultipleItems(IEasyDAClient,IReadOnlyList<ValueTuple<DAItemGroupArguments,Func<EasyDAItemChangedEventArgs,Boolean>>>,Int32)Subscribes to the specified OPC-DA items, and monitors their data until the predicates specified for each item become true, or the alloted time elapses.  
Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also

Reference

IEasyDAClientExtension2 Class
IEasyDAClientExtension2 Members

 

 

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