OPC Studio User's Guide and Reference
Link Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComponentModel.Referencing Namespace > EventSource Class : Link Method
true to make the link; false to break the link.
A reference to the handler implementation.

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

Makes or breaks the link of this event source with given event handler.
Syntax
'Declaration
 
Public Sub Link( _
   ByVal doLink As Boolean, _
   ByVal eventHandler As EventHandler _
) 
'Usage
 
Dim instance As EventSource
Dim doLink As Boolean
Dim eventHandler As EventHandler
 
instance.Link(doLink, eventHandler)
public void Link( 
   bool doLink,
   EventHandler eventHandler
)
public:
void Link( 
   bool doLink,
   EventHandler^ eventHandler
) 

Parameters

doLink
true to make the link; false to break the link.
eventHandler
A reference to the handler implementation.

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

Exceptions
ExceptionDescription
Error related to the process of member linking.
Remarks
No operation is performed is SourceComponent is null.
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