AdsConnection.ReadValueAsync Method (String, Type, CancellationToken)

Reads the value of a symbol asynchronously.

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

Syntax

C#

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

Parameters

name

Type: System.String
Name of the ADS symbol.

type

Type: System.Type
Managed type of the ADS symbol.

cancel

Type: System.Threading.CancellationToken
The cancel token.

Return Value

Type: Task.ResultAnyValue.
A task that represents the asynchronous read operation. The ResultAnyValue parameter contains the read value (Value) and the ErrorCode after execution.

Implements

IAdsSymbolicAccess.ReadValueAsync(String, Type, CancellationToken)

Exceptions

Exception

Condition

ObjectDisposedException

ClientNotConnectedException

Remarks

The parameter type must have the same layout as the ADS symbol.

Reference

AdsConnection Class

ReadValueAsync Overload

TwinCAT.Ads Namespace