IAdsSymbolChangedProvider.UnregisterSymbolVersionChangedAsync Method

Unregisters the symbol version changed asynchronous.

Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in TwinCAT.Ads.Abstractions.dll) Version: 6.0.328+39e3229

Syntax

C#

Task<ResultAds> UnregisterSymbolVersionChangedAsync(
    EventHandler<AdsSymbolVersionChangedEventArgs> handler,
    CancellationToken cancel
)

Parameters

handler	Type: System.EventHandler.AdsSymbolVersionChangedEventArgs. The handler function to unregister.
cancel	Type: System.Threading.CancellationToken The cancellation token.

Return Value

Type: Task.ResultAds.
A task that represents the asynchronous 'UnregisterSymbolVersionChangedAsync' operation. The ResultAds parameter contains the value ErrorCode of the ADS communication after execution.

Reference

IAdsSymbolChangedProvider Interface

TwinCAT.Ads Namespace