IAdsSymbolicAccess.ReadValueAsync Method (String, Type, CancellationToken)
Reads the value of a symbol asynchronously.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in
TwinCAT.Ads.Abstractions.dll) Version: 6.0.328+39e3229
Syntax
C#
Task<ResultAnyValue> ReadValueAsync(
string symbolPath,
Type type,
CancellationToken cancel
)
Parameters
|
symbolPath |
Type: System.String |
|
type |
Type: System.Type |
|
cancel |
Type: System.Threading.CancellationToken |
Return Value
Type: Task.ResultAnyValue.
A task that represents the asynchronous read operation. The
ResultAnyValue
parameter contains the read value (Value) and the
ErrorCode
after execution.
Remarks
The parameter type must have the same binary layout as the ADS symbol.
See also