AdsSymbolicServer.OnWriteIgIoAsync Method
Handler function for handling of pure Write IG/IO Indications.
Namespace: TwinCAT.Ads.Server
Assembly: TwinCAT.Ads.SymbolicServer (in TwinCAT.Ads.SymbolicServer.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
protected virtual Task<ResultWrite> OnWriteIgIoAsync(
AmsAddress sender,
uint invokeId,
uint indexGroup,
uint indexOffset,
ReadOnlyMemory<byte> writeData,
CancellationToken cancel
)Parameters
|
sender AmsAddress |
The sender address of the request. |
|
invokeId UInt32 |
The invoke identifier of the request. |
|
indexGroup UInt32 |
The index group of the requested ADS service |
|
indexOffset UInt32 |
The index offset of the requested ADS service |
|
writeData ReadOnlyMemory<Byte> |
The data to be written |
|
cancel CancellationToken |
The cancellation token. |
Return Value
Task<ResultWrite>
A task that represents the asynchronous WriteIndicationAsync(AmsAddress, UInt32, UInt32, UInt32, ReadOnlyMemory<Byte>, CancellationToken) operation. The Task<TResult> parameter contains the AdsErrorCode as
Result.
Remarks
Overwrite this method in derived classes to react on pure ADS Write indications by IG/IO. The Default implementation returns a DeviceServiceNotSupported error.
See Also
Reference
AdsSymbolicServer Class TwinCAT.Ads.Server Namespace
Beckhoff Automation GmbH & Co. KG 2001-2026