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: 4.3.0.0 (4.3.7.0)
Syntax
C#
public static IObservable<T> PollValues<T>(
this IAdsConnection connection,
string instancePath,
TimeSpan period,
Func<Exception, T> errorHandler
)
VB
<ExtensionAttribute>
Public Shared Function PollValues(Of T) (
connection As IAdsConnection,
instancePath As String,
period As TimeSpan,
errorHandler As Func(Of Exception, T)
) As IObservable(Of T)
Parameters
connection |
Type: TwinCAT.Ads.IAdsConnection |
instancePath |
Type: System.String |
period |
Type: System.TimeSpan |
errorHandler |
Type: System.Func.Exception, T. |
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).