AdsConnectionTryReadValue(String, Type, Object) Method

Tries to the value of a symbol specified as instance path and returns the value as (boxed) object.

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

Syntax

C#

public AdsErrorCode TryReadValue(
    string name,
    Type? type,
    out Object?? value
)

Parameters

name String	The name.
type Type	Managed type of the ADS symbol.
value Object	The value of the Symbol.

Return Value

AdsErrorCode
The AdsErrorCode.

Implements

IAdsSymbolicAccessTryReadValue(String, Type, Object)

Exceptions

Exception	Condition
ArgumentOutOfRangeException	name
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

AdsConnection Class TryReadValue Overload TwinCAT.Ads Namespace ReadValue(String, Type) ReadValueAsyncT(String, CancellationToken) ReadValueAsync(String, Type, CancellationToken)

Beckhoff Automation GmbH & Co. KG 2001-2026