What is the purpose of the filesystemwatcher in C#?

FileSystemWatcher is a class in C# used to monitor changes in the file system. It can be used to monitor operations such as creating, modifying, renaming, and deleting files and subfolders in specific folders. When any changes occur in the file system, FileSystemWatcher triggers corresponding events, allowing developers to write their own code to respond to these changes.

The main purpose of FileSystemWatcher includes:

1. “Monitoring changes to files or folders: With FileSystemWatcher, you can monitor in real-time operations such as creating, modifying, deleting, or renaming files or folders, allowing the application to respond immediately.”
2. File synchronization: FileSystemWatcher can be combined with other operations, such as sending notifications of file changes to a remote server, to achieve file synchronization.
3. Logging: One option is to use FileSystemWatcher to track changes in log files. When new content is written to the log file, corresponding events can be triggered to record the new log content in a database or other location.
4. Monitor file security: Using FileSystemWatcher, you can monitor changes to a file’s permissions. When there is a change in a file’s access permissions, you can trigger corresponding events to enhance the file’s security.

In conclusion, the FileSystemWatcher is a crucial class that can assist developers in implementing real-time monitoring and response to changes in the file system.