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The Cancel method attempts to cancel an asynchronous operation that is in progress.
Syntax
HRESULT Cancel();
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
If the operation is successfully canceled, a call to the GetResult method occurs.
Your application can call Cancel at any time. If the operation is already closed or completed, it has no effect.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | deviceaccess.h |
| Library | Deviceaccess.lib |