IAdsHandle.ReadWriteAsync Method
ReadWrites value data asynchronously to/from the symbol represented by the variableHandle.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in TwinCAT.Ads.Abstractions.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
Task<ResultReadWrite> ReadWriteAsync(
uint variableHandle,
Memory<byte> readBuffer,
ReadOnlyMemory<byte> writeBuffer,
CancellationToken cancel
)Parameters
|
variableHandle UInt32 |
Variable handle. |
|
The read data / value | |
|
writeBuffer ReadOnlyMemory<Byte> |
The write data / value. |
|
cancel CancellationToken |
The cancellation token. |
Return Value
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.