OPC Studio User's Guide and Reference
OnNodeBackEndChange Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.NodeSpace Namespace > NodeFrontEnd Class : OnNodeBackEndChange Method
The original branch back-end value.

The value of this parameter can be null (Nothing in Visual Basic).

Called after the branch back-end has changed.
Syntax
'Declaration
 
Protected Overridable Sub OnNodeBackEndChange( _
   ByVal oldValue As INodeBackEnd _
) 
'Usage
 
Dim instance As NodeFrontEnd
Dim oldValue As INodeBackEnd
 
instance.OnNodeBackEndChange(oldValue)
protected virtual void OnNodeBackEndChange( 
   INodeBackEnd oldValue
)
protected:
virtual void OnNodeBackEndChange( 
   INodeBackEnd^ oldValue
) 

Parameters

oldValue
The original branch back-end value.

The value of this parameter can be null (Nothing in Visual Basic).

Remarks

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

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