AdsServer.OnReadAsync Method
Called when an ADS Read indication is received.
Namespace: TwinCAT.Ads.Server
Assembly: TwinCAT.Ads.Server (in
TwinCAT.Ads.Server.dll) Version: 6.0.328+39e3229
Syntax
C#
protected virtual Task<ResultReadBytes> OnReadAsync(
AmsAddress sender,
uint invokeId,
uint indexGroup,
uint indexOffset,
int readLength,
CancellationToken cancel
)
Parameters
sender |
Type: TwinCAT.Ads.AmsAddress |
invokeId |
Type: System.UInt32 |
indexGroup |
Type: System.UInt32 |
indexOffset |
Type: System.UInt32 |
readLength |
Type: System.Int32 |
cancel |
Type: System.Threading.CancellationToken |
Return Value
Type: Task.ResultReadBytes.
A task that represents the asynchronous ReadIndicationAsync(AmsAddress, UInt32, UInt32, UInt32,
Int32, CancellationToken) operation. The Task.TResult. parameter contains the AdsErrorCode as
Result.
Remarks
Overwrite this method in derived classes to react on ADS Read indications. The default implementation replies with an ADS ServiceNotSupported error code (0x701).