- 0 2.0
Begins sampling pen data and converts tablet input to recognized symbols.
This function is provided only for compatibility with version 1.0 of the Pen
API and will not be supported in future versions.
REC Recognize( LPRC lprc )
Address of an RC
Returns an REC_ value. See the "Comments" section for a description of the
structure that lprc
points to contains the parameters that control recognition. The system sends
recognition results via the WM_RCRESULT message to the window indicated by the hwnd
member of the RC
. All results messages are sent before Recognize
returns. Multiple result messages can be sent if the application asks for
results to be sent to the application before all input has been completed (as
indicated by the wResultMode
member of the RC
An application that uses version 1.0 recognizers should call Recognize
when the input session begins, signaled by the WM_LBUTTONDOWN message.
The value REC_OK is used in the wParam
of the WM_RCRESULT message to indicate that more data is coming. Return
values of greater than 0 signal normal successful completion. Return values of less
than 0 indicate abnormal termination. Return values of less than REC_DEBUG are
reserved for return values from
debugging versions of the system or recognizer. If an application creates a
condition that would be caught in a debugging version while running a
nondebugging version, the results are undefined.
Each return value can be the wParam
value of the WM_RCRESULT message or the return value for Recognize
. The wParam
value of the last WM_RCRESULT message generated by a call to Recognize
is the return value of Recognize
. Some error conditions, such as REC_OOM or REC_NOTABLET, are returned without
generating any corresponding WM_RCRESULT message.
All of the values listed in the following table are in the debug version only.
No WM_RCRESULT message is generated if these values are returned by Recognize
||Invalid enabled alphabet.
||Returned when the wEventRef member in the lprc structure is invalid.
||Invalid verification level.
||All debugging return values are less than this.
||Invalid dictionary parameters.
||Invalid error level.
||Invalid GUIDE structure.
||Invalid recognition handle.
||Invalid handle to window to send results to.
||Invalid data reference parameter.
||Returned by the recognizer when the lpLanguage member contains a language that is not supported
by the recognizer. Call ConfigRecognizer with the WCR_QUERYLANGUAGE subfunction to determine whether a particular
language is supported.
||In version 1.0, was returned by GetPenHwData if collection mode has not been set. Not used now.
||Error codes less than or equal to REC_OEM are specific to the recognizer.
||Invalid lPcm member in the RC structure. There is no way for the recognition to end.
||Unsupported results mode requested.
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