convert
Async returns the projection result from an input projection.
Return
Error code if the operation couldn't start. If operation successfully started the progress and completion notifications will come via the listener
Parameters
in
listener Operation progress listener. Returns: - KNoError = Success - error::KInternalAbort = The result parsing failed or server internal error occurred - error::kNotSupported = The conversion between projections cannot be made
out
to The result Projection object.