# xmlcallback

The `xmlcallback` sample program demonstrates how you can control the conversion to generate specialized output while it is in progress. The program employs developer-defined callbacks during conversion. This program runs on Windows platforms only.

To run `xmlcallback`, type the following at the command line:

    xmlcallback inputfile outputfile

where:

`inputfile` is the full path and file name of the source document.

`outputfile` is the full path and file name of the first XML output file.

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