AdsClientDeleteVariableHandleAsync Method
Releases the specified symbol/variable handle asynchronously.
Namespace: TwinCAT.Ads
Assembly: TwinCAT.Ads (in TwinCAT.Ads.dll)
Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
public 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.
Implements
IAdsHandleDeleteVariableHandleAsync(UInt32,
CancellationToken)
ITcAdsRawDeleteVariableHandleAsync(UInt32,
CancellationToken)
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)
Reference
AdsClient Class TwinCAT.Ads Namespace CreateVariableHandleAsync(String, CancellationToken) TryDeleteVariableHandle(UInt32) DeleteVariableHandle(UInt32)
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