IAdsHandle.DeleteVariableHandleAsync Method
Releases the specified symbol/variable handle asynchronously.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads.Abstractions (in TwinCAT.Ads.Abstractions.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
Task<ResultAds> DeleteVariableHandleAsync(
uint variableHandle,
CancellationToken cancel
)Parameters
|
variableHandle UInt32 |
Handle of the ADS variable |
|
cancel CancellationToken |
The cancellation token. |
Return Value
Task<ResultAds>
A task that represents the asynchronous 'DeleteVariableHandle' operation. The ResultAds parameter contains the ErrorCode after execution.
Remarks
It is a good practice to release all variable handles after use to regain internal resources in the TwinCAT subsystem. The composite method to this DeleteVariableHandleAsync(UInt32, CancellationToken) is the CreateVariableHandleAsync(String, CancellationToken)
See Also
Reference
IAdsHandle Interface TwinCAT.Ads Namespace CreateVariableHandleAsync(String, CancellationToken) TryDeleteVariableHandle(UInt32) DeleteVariableHandle(UInt32)
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