Optimalization, file name&extension

src/Providers/FileTime.Providers.Local/LocalContentProvider.cs

@@ -103,6 +103,20 @@ namespace FileTime.Providers.Local
         public Task Rename(string newName) => throw new NotSupportedException();
         public Task<bool> CanOpen() => Task.FromResult(true);
 
-        public void Dispose() { }
+        public void Dispose()
+        {
+            foreach (var c in _rootContainers)
+            {
+                c.Unload();
+            }
+        }
+
+        public void Unload()
+        {
+            foreach (var c in _rootContainers)
+            {
+                c.Unload();
+            }
+        }
     }
 }

src/Providers/FileTime.Providers.Local/LocalFolder.cs

@@ -27,7 +27,7 @@ namespace FileTime.Providers.Local
         public SupportsDelete CanDelete { get; }
         public bool CanRename => true;
 
-        public AsyncEventHandler Refreshed { get; } = new();
+        public AsyncEventHandler Refreshed { get; private set; } = new();
 
         public string Attributes => GetAttributes();
 
@@ -191,6 +191,14 @@ namespace FileTime.Providers.Local
             _containers = null;
             _elements = null;
             IsDisposed = true;
+            Refreshed = new AsyncEventHandler();
+        }
+
+        public void Unload()
+        {
+            _items = null;
+            _containers = null;
+            _elements = null;
         }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbContentProvider.cs

@@ -106,5 +106,7 @@ namespace FileTime.Providers.Smb
         public Task<bool> CanOpen() => Task.FromResult(true);
 
         public void Dispose() { }
+
+        public void Unload() { }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbFolder.cs

@@ -119,21 +119,28 @@ namespace FileTime.Providers.Smb
 
         public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
         {
-            if (_items == null) await RefreshAsync();
+            if (_items == null) await RefreshAsync(token);
             return _items;
         }
         public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
         {
-            if (_containers == null) await RefreshAsync();
+            if (_containers == null) await RefreshAsync(token);
             return _containers;
         }
         public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
         {
-            if (_elements == null) await RefreshAsync();
+            if (_elements == null) await RefreshAsync(token);
             return _elements;
         }
         public Task<bool> CanOpen() => Task.FromResult(true);
 
         public void Dispose() => IsDisposed = true;
+
+        public void Unload()
+        {
+            _items = null;
+            _containers = null;
+            _elements = null;
+        }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbServer.cs

@@ -194,5 +194,7 @@ namespace FileTime.Providers.Smb
         public Task<bool> CanOpen() => Task.FromResult(true);
 
         public void Dispose() { }
+
+        public void Unload() { }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbShare.cs

@@ -172,5 +172,12 @@ namespace FileTime.Providers.Smb
         public Task<bool> CanOpen() => Task.FromResult(true);
 
         public void Dispose() { }
+
+        public void Unload()
+        {
+            _items = null;
+            _containers = null;
+            _elements = null;
+        }
     }
 }