using system;
using system.io;
class watcher
// create a new filesystemwatcher and set its properties.
filesystemwatcher watcher = new filesystemwatcher();
watcher.path = args[1];
/* watch for changes in lastaccess and lastwrite times, and
the renaming of files or directories. */
watcher.notifyfilter = notifyfilters.lastaccess | notifyfilters.lastwrite
| notifyfilters.filename | notifyfilters.directoryname;
// only watch text files.
watcher.filter = "*.txt";
// add event handlers.
watcher.changed += new filesystemeventhandler(onchanged);
watcher.created += new filesystemeventhandler(onchanged);
watcher.deleted += new filesystemeventhandler(onchanged);
watcher.renamed += new renamedeventhandler(onrenamed);
// begin watching.
watcher.enableraisingevents = true;
// wait for the user to quit the program.
console.writeline("press /'q/' to quit the sample.");
while(console.read()!='q');
}// define the event handlers.
private static void onchanged(object source, filesystemeventargs e)
private static void onrenamed(object source, renamedeventargs e)
renamed to ", e.oldfullpath, e.fullpath);}}
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