AnyTypeExtensions.PollValues Method (IAdsConnection, ISymbol, Type, IObservable.Unit.)

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: 6.0.328+39e3229

Syntax

C#

public static IObservable<Object> PollValues(
    this IAdsConnection connection,
    ISymbol symbol,
    Type type,
    IObservable<Unit> trigger
)

Parameters

connection

Type: TwinCAT.Ads.IAdsConnection
The connection.

symbol

Type: TwinCAT.TypeSystem.ISymbol
The symbol.

type

Type: System.Type
The data type of the symbol (ANY_TYPE)

trigger

Type: System.IObservable.Unit.
The Polling trigger

Return Value

Type: IObservable.Object.
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