Proficy Historian Client Access API
Proficy.Historian.ClientAccess.API Namespace / IMessages Interface / Subscribe Method
A topic of interest.
Example


In This Topic
    Subscribe Method (IMessages)
    In This Topic
    Subscribe to new messages for a specific topic. Fires %% with the new message added.
    Syntax
    Sub Subscribe( _
       ByVal topic As Message.MessageTopic _
    ) 
    void Subscribe( 
       Message.MessageTopic topic
    )
    void Subscribe( 
       Message.MessageTopic topic
    ) 

    Parameters

    topic
    A topic of interest.
    Example
    // establish event handler
    connection.MessageAddedEvent += new MessageAddedHandler(MessageAdded);
                  
    // request message subscriptions
    connection.IMessages.Subscribe(Message.MessageTopic.All);
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also