AnyTypeExtensions.PollValues.T. Method (IAdsConnection, String, TimeSpan, Func.Exception, T.)

Polls the symbol as value sequence of object values with a specified period time.

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

Syntax

C#

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

Parameters

connection

Type: TwinCAT.Ads.IAdsConnection
The connection.

instancePath

Type: System.String
The instance path.

period

Type: System.TimeSpan
The period.

errorHandler

Type: System.Func.Exception, T.
The error handler.

Type Parameters

T

The ANY_TYPE compatible .NET Type.

Return Value

Type: IObservable.T.
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