AnyTypeExtensionsPollValuesT(IAdsConnection, String, IObservableUnit, FuncException, T) Method

Polls the symbol values on timepoints where the polling observable streams data / triggers


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

Syntax

C#

public static IObservable<T> PollValues<T>(
    this IAdsConnection connection,
    string instancePath,
    IObservable<Unit> trigger,
    Func<Exception, T>? errorHandler
)

Parameters

connection  IAdsConnection

The connection.

instancePath  String

The instance path.

trigger  IObservableUnit

The Polling trigger

errorHandler  FuncException, T

The error handler.

Type Parameters

T

The ANY_TYPE compatible .NET Type.

Return Value

IObservableT
IObservable<System.Object>.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IAdsConnection. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

AnyTypeExtensions Class PollValues Overload TwinCAT.Ads.Reactive Namespace

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