SystemServiceExtension.ReadSysServStateAsync Method

Reads the System Service state (AdsSysServState) (asynchronous)

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

Syntax

C#

public static Task<ResultValue<AdsSysServState>> ReadSysServStateAsync(
    this IAdsConnection connection,
    CancellationToken cancel
)

Parameters

connection

Type: TwinCAT.Ads.IAdsConnection
The client.

cancel

Type: System.Threading.CancellationToken
The cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value

Type: Task.ResultValue.AdsSysServState..
A Task<ResultValue`1> representing the asynchronous operation.

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).

Exceptions

Exception

Condition

ArgumentOutOfRangeException

Service only available on AmsPort 10000 (SystemService). Cannot use this function on the specified client! - client

Reference

SystemServiceExtension Class

TwinCAT.SystemService Namespace