OPC Studio User's Guide and Reference
Subscribe(Boolean,IEnumerable<PointBindingGroup>) Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.LiveBinding Namespace > PointBinderCore Class > Subscribe Method : Subscribe(Boolean,IEnumerable<PointBindingGroup>) Method
true to subscribe; false to unsubscribe.
The binding groups to be operated upon.

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

Executes the "Subscribe" operation on all bindings in given binding groups.
Syntax
'Declaration
 
Public Overloads Sub Subscribe( _
   ByVal active As Boolean, _
   ByVal bindingGroups As IEnumerable(Of PointBindingGroup) _
) 
'Usage
 
Dim instance As PointBinderCore
Dim active As Boolean
Dim bindingGroups As IEnumerable(Of PointBindingGroup)
 
instance.Subscribe(active, bindingGroups)

Parameters

active
true to subscribe; false to unsubscribe.
bindingGroups
The binding groups to be operated upon.

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

Remarks
The "Subscribe" operation subscribes to or unsubscribes from changes of a point. Only bindings of type PointBinding that include PointBindingOperations.Subscribe in their BindingOperations are affected; other bindings are ignored.
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