AdsServer.OnReadDeviceStateAsync Method

Called when an ADS Read State indication is received.

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

Syntax

C#

protected virtual Task<ResultReadDeviceState> OnReadDeviceStateAsync(
    AmsAddress sender,
    uint invokeId,
    CancellationToken cancel
)

Parameters

sender	Type: TwinCAT.Ads.AmsAddress The sender address of the request.
invokeId	Type: System.UInt32 The invoke identifier of the request.
cancel	Type: System.Threading.CancellationToken The cancellation token.

Return Value

Type: Task.ResultReadDeviceState.
A task that represents the asynchronous ReadDeviceStateIndicationAsync(AmsAddress, UInt32, CancellationToken) operation. The Task.TResult. parameter contains the AdsErrorCode as Result.

Remarks

Overwrite this method in derived classes to react on ADS Read State indications. The default implementation replies with an ADS ServiceNotSupported error code (0x701).

Reference

AdsServer Class

TwinCAT.Ads.Server Namespace