AdsConnection.UnregisterSymbolVersionChangedAsync Method

Unregisters the symbol version changed asynchronously.

Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads (in TwinCAT.Ads.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470

Syntax

C#

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

Parameters

handler EventHandler<AdsSymbolVersionChangedEventArgs>	The handler function to unregister.
cancel CancellationToken	The cancellation token.

Return Value

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

Implements

IAdsSymbolChangedProvider.UnregisterSymbolVersionChangedAsync(EventHandler<AdsSymbolVersionChangedEventArgs>, CancellationToken)

Exceptions

Exception	Condition
ObjectDisposedException

Reference

AdsConnection Class TwinCAT.Ads Namespace AdsSymbolVersionChanged

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