AnyTypeExtensions.PollValues Method (IAdsConnection, String, Type, .Int32., TimeSpan, Func.Exception, Object.)

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: 4.3.0.0 (4.3.7.0)

Syntax

C#

public static IObservable<Object> PollValues(
    this IAdsConnection connection,
    string instancePath,
    Type type,
    int[] args,
    TimeSpan period,
    Func<Exception, Object> errorHandler
)

VB

<ExtensionAttribute>
Public Shared Function PollValues ( 
    connection As IAdsConnection,
    instancePath As String,
    type As Type,
    args As Integer(),
    period As TimeSpan,
    errorHandler As Func(Of Exception, Object)
) As IObservable(Of Object)

Parameters

connection	Type: TwinCAT.Ads.IAdsConnection The connection.
instancePath	Type: System.String The instance path.
type	Type: System.Type The data type of the symbol (ANY_TYPE)
args	Type: .System.Int32. The ANY_TYPE arguments.
period	Type: System.TimeSpan The period.
errorHandler	Type: System.Func.Exception, Object. The error handler.

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