Cancels any in-progress overlapped requests.
This method has no parameters.
When you implement this method, you should return the following return values. If you return others, try to use well-known values to aid in debugging issues.
The operation succeeded. All requests for asynchronous notifications have been completed with ND_CANCELED. Note that completions for such notification requests may not have been delivered or processed.
All outstanding operations could not be canceled.
|Microsoft Message Passing Interface (MS-MPI)|
Build date: 7/2/2010