AdsConnection.ReadWriteAsync Method (UInt32, Memory.Byte., ReadOnlyMemory.Byte., CancellationToken)
ReadWrites value data asynchronously to/from the symbol represented by the variableHandle.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads (in TwinCAT.Ads.dll)
Version: 6.0.328+39e3229
Syntax
C#
public Task<ResultReadWrite> ReadWriteAsync(
uint variableHandle,
Memory<byte> readBuffer,
ReadOnlyMemory<byte> writeBuffer,
CancellationToken cancel
)
Parameters
|
variableHandle |
Type: System.UInt32 |
|
readBuffer |
Type: System.Memory.Byte. |
|
writeBuffer |
Type: System.ReadOnlyMemory.Byte. |
|
cancel |
Type: System.Threading.CancellationToken |
Return Value
Type: Task.ResultReadWrite.
A task that represents the asynchronous 'ReadWrite'
operation. The ResultReadWrite
parameter contains the total number of bytes read into the buffer
(ReadBytes)
and the ErrorCode after
execution.