TcHmiSrvSubscriptionListener Class

Provides a listener to get notified when a client opens or closes a subscription.
If this listener is not registered at the TwinCAT HMI server, subscriptions will just call the OnRequest event.

Inheritance Hierarchy

System.Object
  TcHmiSrv.TcHmiSrvListener
    TcHmiSrv.TcHmiSrvSubscriptionListenerBase
      TcHmiSrv.TcHmiSrvSubscriptionListener
Namespace: TcHmiSrv
Assembly: TcHmiSrvExtNet (in TcHmiSrvExtNet.dll) Version: 3.0.0.0

Syntax

C#

public class TcHmiSrvSubscriptionListener : TcHmiSrvSubscriptionListenerBase, 
    IExternalCaller<string>

The TcHmiSrvSubscriptionListener type exposes the following members.

Constructors

	Name	Description
	TcHmiSrvSubscriptionListener	Initializes a new instance of the TcHmiSrvSubscriptionListener class

Properties

	Name	Description
	Type	(Inherited from TcHmiSrvListener.)

Methods

	Name	Description
	Dispose.	(Inherited from TcHmiSrvListener.)
	Dispose(Boolean)	(Inherited from TcHmiSrvSubscriptionListenerBase.)
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Events

	Name	Description
	OnSubscribe	Called when a client opens a new subscription. The subscription will call the OnRequest once per specified interval.
	OnUnsubscribe	Called when a client closes a subscription.

Reference

TcHmiSrv Namespace

Further Information