C#•4y ago

fileSystemWatcher

I'm using fileSystemWatcher to check when a file is edited but every time I edit a file it opens ScanResult window more than 7 times

Code:

  private void fileSystemWatcher1_Changed(object sender, FileSystemEventArgs e)
        {
           
            var scR = new ScanResult();
            scR.Show();
        }

  private void fileSystemWatcher1_Changed(object sender, FileSystemEventArgs e)
        {
           
            var scR = new ScanResult();
            scR.Show();
        }

  private void fileSystemWatcher1_Changed(object sender, FileSystemEventArgs e)
        {
           
            var scR = new ScanResult();
            scR.Show();
        }

  private void fileSystemWatcher1_Changed(object sender, FileSystemEventArgs e)
        {
           
            var scR = new ScanResult();
            scR.Show();
        }

Stroniax•9/15/22, 5:59 PM

I am not sure but I would guess the file is being written and then metadata is being updated, unless your event handler is being registered more than once. If you're able to put a breakpoint on the event registration you could look into that one pretty easily.

Otherwise I'd probably use some kind of timeout (if (_lastScanResult < DateTime.Now.AddSeconds(-5)) { _lastScanResult = DateTime.Now; ... }if (_lastScanResult < DateTime.Now.AddSeconds(-5)) { _lastScanResult = DateTime.Now; ... }).

LuizdodibreOP•9/15/22, 6:10 PM

fileSystemWatcher

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