AdsClientReadValueAsync(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

IAdsSymbolicAccessReadValueAsync(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.

Reference

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

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