IAdsSymbolicAccess.ReadValueAsync.T. Method (ISymbol, CancellationToken)
Reads the value of a symbol asynchronously and returns it as an object.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in
TwinCAT.Ads.Abstractions.dll) Version: 6.0.328+39e3229
Syntax
C#
Task<ResultValue<T>> ReadValueAsync<T>(
ISymbol symbol,
CancellationToken cancel
)
Parameters
|
symbol |
Type: TwinCAT.TypeSystem.ISymbol |
|
cancel |
Type: System.Threading.CancellationToken |
Type Parameters
|
T |
The value type. |
Return Value
Type: Task.ResultValue.T..
A task that represents the asynchronous read operation. The
ResultAnyValue
parameter contains the read value (Value) and the
ErrorCode
after execution.
Remarks
Supported types are limited to 'AnyTypes', what includes all primitive types (UInt32, Int32, Bool etc.), strings, and Arrays that are compositions of 'AnyTypes'.