Improvement: extract interface

Source/FileWatcherEx/FileSystemWatcherEx.cs

@@ -8,7 +8,7 @@ namespace FileWatcherEx;
 /// A wrapper of <see cref="FileSystemWatcher"/> to standardize the events
 /// and avoid false change notifications.
 /// </summary>
-public class FileSystemWatcherEx : IDisposable
+public class FileSystemWatcherEx : IDisposable, IFileSystemWatcherEx
 {
 
     #region Private Properties

Source/FileWatcherEx/IFileSystemWatcherEx.cs

@@ -0,0 +1,85 @@
+using System.ComponentModel;
+
+namespace FileWatcherEx;
+
+public interface IFileSystemWatcherEx
+{
+    /// <summary>
+    /// Gets or sets the path of the directory to watch.
+    /// </summary>
+    string FolderPath { get; set; }
+
+    /// <summary>
+    /// Gets the collection of all the filters used to determine what files are monitored in a directory.
+    /// </summary>
+    System.Collections.ObjectModel.Collection<string> Filters { get; }
+
+    /// <summary>
+    /// Gets or sets the filter string used to determine what files are monitored in a directory.
+    /// </summary>
+    string Filter { get; set; }
+
+    /// <summary>
+    /// Gets or sets the type of changes to watch for.
+    /// The default is the bitwise OR combination of
+    /// <see cref="NotifyFilters.LastWrite"/>,
+    /// <see cref="NotifyFilters.FileName"/>,
+    /// and <see cref="NotifyFilters.DirectoryName"/>.
+    /// </summary>
+    NotifyFilters NotifyFilter { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether subdirectories within the specified path should be monitored.
+    /// </summary>
+    bool IncludeSubdirectories { get; set; }
+
+    /// <summary>
+    /// Gets or sets the object used to marshal the event handler calls issued as a result of a directory change.
+    /// </summary>
+    ISynchronizeInvoke? SynchronizingObject { get; set; }
+
+    /// <summary>
+    /// Occurs when a file or directory in the specified
+    /// <see cref="FileSystemWatcherEx.FolderPath"/> is changed.
+    /// </summary>
+    event FileSystemWatcherEx.DelegateOnChanged? OnChanged;
+
+    /// <summary>
+    /// Occurs when a file or directory in the specified
+    /// <see cref="FileSystemWatcherEx.FolderPath"/> is deleted.
+    /// </summary>
+    event FileSystemWatcherEx.DelegateOnDeleted? OnDeleted;
+
+    /// <summary>
+    /// Occurs when a file or directory in the specified
+    /// <see cref="FileSystemWatcherEx.FolderPath"/> is created.
+    /// </summary>
+    event FileSystemWatcherEx.DelegateOnCreated? OnCreated;
+
+    /// <summary>
+    /// Occurs when a file or directory in the specified
+    /// <see cref="FileSystemWatcherEx.FolderPath"/> is renamed.
+    /// </summary>
+    event FileSystemWatcherEx.DelegateOnRenamed? OnRenamed;
+
+    /// <summary>
+    /// Occurs when the instance of <see cref="FileSystemWatcherEx"/> is unable to continue
+    /// monitoring changes or when the internal buffer overflows.
+    /// </summary>
+    event FileSystemWatcherEx.DelegateOnError? OnError;
+
+    /// <summary>
+    /// Start watching files
+    /// </summary>
+    void Start();
+
+    /// <summary>
+    /// Stop watching files
+    /// </summary>
+    void Stop();
+
+    /// <summary>
+    /// Dispose the FileWatcherEx instance
+    /// </summary>
+    void Dispose();
+}