Read-Write Property.
Type: L_DATA_FILE_OPTION_ENUM
Determines the action to be taken if the specified data file and master clip (.tif) file used for scanning already exists. This is the same as the settings in the ScanTools Plus Scanning Options dialog, File Names, Data and Output Conversion Files, Append, Replace, Replace at S/N. Validation is performed when scanning is initiated.
ScanTools Plus software uses the following rules:
propget, HRESULT DataFileOption([out, retval] L_DATA_FILE_OPTION_ENUM *pVal);
propput, HRESULT DataFileOption([in] L_DATA_FILE_OPTION_ENUM newVal);
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L_DATA_FILE_OPTION_APPEND (default) |
If the *.dat file exists and the applications match, new data will be written at the end of the data file with the first Serial number written being one greater than the highest serial in the data file. The SerialNo parameter in the session parameters will be ignored. If the *.dat file exists and if the dat file's application differs from the application to be used for this session, Scan method will return an error (IDS_DataFileNotForApp). The same action applies if a master clip file (*.tif) exists, and clipping is being performed. |
| L_DATA_FILE_OPTION_NOFILES |
If the solution program indicates that Link must not create/update any data file, master tiff file, ICR extension data file or conversion output file. This scanning session creates no file output for scanned data and images. Use this to implement a “zero data footprint” solution or to create file output in a custom way. Application, edit profile and score profile can be specified. Implement an optical marks-only scanning session by not specifying the application definition. If you are not specifying an application definition, you should also not specify any profile. The OMR is not resolved to ASCII data. Take this route when you are performing custom resolution perhaps on a remote server or for international markets. |
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L_DATA_FILE_OPTION_REPLACE |
Will always replace the data file when starting the Scan method even if the data file is not for the application whose application number is specified in the session parameters. Deletes the data file if it exists and starts with the serial number specified in the Starting_SerialNo property. The same action applies if a master clip file (*.tif) exists, and clipping is being performed. |
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L_DATA_FILE_OPTION_REPLACE_ATSERNO |
If *.dat file exists and the applications match, and:
If *.dat file exists and if the *.dat file's application differs from the application to be used for this session, Scan will return an error (IDS_DataFileNotForApp). The same action applies if a master clip file (*.tif) exists, and clipping is being performed. |
How to Implement Event Driven Scanning
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See Help on Help for additional information on using this help file. See Scantron Technical Support for additional information on technical support and training options. See the ScanTools Suite System Requirements for further details on hardware and software requirements. ScanTools is a suite of products; the specific information you want may appear in the help for a different module. If you don't find what you're looking for here, try one of the following:
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Scantron Corporation
Customer Service (forms, products, and services): 1-800-SCANTRON (722-6876) Technical Support: 1-800-445-3141 |
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