AdsClient.ReadValueAsync(String, Type, CancellationToken) Method

Read value as an asynchronous operation.


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

Syntax

C#

public Task<ResultAnyValue> ReadValueAsync(
string instancePath,
Type type,
CancellationToken cancel
)

Parameters

instancePath  String

Name of the ADS symbol.

type  Type

Managed type of the ADS symbol

cancel  CancellationToken

The cancel token.

Return Value

Task<ResultAnyValue>
A Task<ResultAnyValue> representing the asynchronous operation.

Implements

IAdsSymbolicAccess.ReadValueAsync(String, Type, CancellationToken)

Exceptions

Exception

Condition

ObjectDisposedException

ClientNotConnectedException

Remarks

This method automatically marshals the read values to appropriate .NET objects if possible. The overall behaviour is described here in the interface description.

See Also

Reference

AdsClient Class ReadValueAsync Overload TwinCAT.Ads Namespace ReadValue(String, Type) TryReadValue(String, Type, Object)

Beckhoff Automation GmbH & Co. KG 2001-2026