FileSystemWatcher Events in IDE

FileSystemWatcher provide us different kind of events from changed to deleted. I was wondering why I'm getting deleted event whenever I used v开发者_开发技巧isual studio 2005 to edit a file and changed event if I'm using notepad or notepad++ and other editor?

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Standard operation for programs that want to avoid losing everything:

1. Rename original file
2. Create new file with original name
3. Write and close file
4. No problems: delete file from step 1

If something goes wrong, the renamed file is restored. Your other editor would corrupt the original if something goes wrong while writing.