Connectivity Software User's Guide and Reference
IsAlive Property (SparkplugDevice)



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug Namespace > SparkplugDevice Class : IsAlive Property
Determines whether this device is currently alive.
Syntax
'Declaration
 
Public ReadOnly Property IsAlive As Boolean
'Usage
 
Dim instance As SparkplugDevice
Dim value As Boolean
 
value = instance.IsAlive
public bool IsAlive {get;}
public:
property bool IsAlive {
   bool get();
}

Property Value

The default value of this property is False.

Remarks

The device is considered alive if and only if:

When this property changes, the IsAliveChanged event is raised.

When this property changes to true, a device birth message is published. When this property changes to false, a device death message is published.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

 

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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