OPC Studio User's Guide and Reference
ActorId Property (AEEventData)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.AlarmsAndEvents Namespace > AEEventData Class : ActorId Property
Actor ID.
Syntax
'Declaration
 
<NotNullAttribute()>
Public Property ActorId As String
'Usage
 
Dim instance As AEEventData
Dim value As String
 
instance.ActorId = value
 
value = instance.ActorId
[NotNull()]
public string ActorId {get; set;}
[NotNull()]
public:
property String^ ActorId {
   String^ get();
   void set (    String^ value);
}

Property Value

The value of this property cannot be null (Nothing in Visual Basic).

The default value of this property is "" (String.Empty).

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

This property is used only for Tracking Events and for Condition-Related Events which are acknowledgment notifications (see EventType).

For tracking events, this is the actor ID for the event notification.

For condition-related events, this is the AcknowledgerID when the new state is acknowledged. If the AcknowledgerID is an empty string, the event was automatically acknowledged by the server.

For other events, the value is an empty string.

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