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TE2000 | HMI Engineering · 0 次阅读

RequestListener.OnRequest Event

Called when a client requests a symbol from the domain of the TwinCAT HMI server extension. This event will be called multiple times if RequestType equals Subscription.In a subscription the returned data will only be sent to clients if either the read value or the return codes changed.

Namespace:  TcHmiSrv.Core.Listeners
Assembly:  TcHmiSrvExtNet.Core (in TcHmiSrvExtNet.Core.dll) Version: 1.3.0.0

Syntax

C#

public event EventHandler<OnRequestEventArgs> OnRequest