mommel · mommel · May 8, 2026 · May 8, 2026 · May 8, 2026
diff --git a/MainWindow.xaml b/MainWindow.xaml
@@ -169,10 +169,12 @@
                 </StackPanel>
             </ScrollViewer>
 
+            <Rectangle Grid.Column="1" Width="2" Fill="{DynamicResource FolderStringColor}" HorizontalAlignment="Center" IsHitTestVisible="False"/>
             <GridSplitter Grid.Column="1" Width="5" HorizontalAlignment="Stretch" Background="Transparent"/>
 
             <!-- File List -->
-            <ListView x:Name="FileListView" Grid.Column="2" BorderThickness="0" Background="{DynamicResource BackgroundColor}" Foreground="{DynamicResource TextColor}" MouseDoubleClick="FileListView_MouseDoubleClick" SelectionChanged="FileListView_SelectionChanged" GridViewColumnHeader.Click="GridViewColumnHeader_Click" PreviewMouseMove="FileListView_PreviewMouseMove" PreviewMouseWheel="FileListView_PreviewMouseWheel" IsTextSearchEnabled="False" PreviewTextInput="FileListView_PreviewTextInput">
+            <Grid Grid.Column="2">
+                <ListView x:Name="FileListView" BorderThickness="0" Background="{DynamicResource BackgroundColor}" Foreground="{DynamicResource TextColor}" MouseDoubleClick="FileListView_MouseDoubleClick" SelectionChanged="FileListView_SelectionChanged" GridViewColumnHeader.Click="GridViewColumnHeader_Click" PreviewMouseMove="FileListView_PreviewMouseMove" PreviewMouseWheel="FileListView_PreviewMouseWheel" IsTextSearchEnabled="False" PreviewTextInput="FileListView_PreviewTextInput" PreviewMouseLeftButtonDown="FileListView_PreviewMouseLeftButtonDown" PreviewMouseLeftButtonUp="FileListView_PreviewMouseLeftButtonUp">
                 <ListView.ItemContainerStyle>
                     <Style TargetType="ListViewItem">
                         <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
@@ -230,9 +232,15 @@
                     </ContextMenu>
                 </ListView.ContextMenu>
 
-                <!-- Default GridView mode setup in CodeBehind to handle references easier -->
-            </ListView>
 
+                    <!-- Default GridView mode setup in CodeBehind to handle references easier -->
+                </ListView>
+                <Canvas x:Name="SelectionCanvas" IsHitTestVisible="False">
+                    <Rectangle x:Name="SelectionRectangle" Fill="#330078D7" Stroke="#0078D7" StrokeThickness="1" Visibility="Collapsed" />
+                </Canvas>
+            </Grid>
+
+            <Rectangle Grid.Column="3" Width="2" Fill="{DynamicResource FolderStringColor}" HorizontalAlignment="Center" IsHitTestVisible="False" Visibility="{Binding Visibility, ElementName=PreviewSplitter}"/>
             <GridSplitter Grid.Column="3" Width="5" HorizontalAlignment="Stretch" Background="Transparent" x:Name="PreviewSplitter" Visibility="Collapsed"/>
 
             <!-- Preview Panel -->

diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
@@ -39,6 +39,22 @@
         private ListSortDirection _lastDirection = ListSortDirection.Ascending;
         private bool _previewVisible = false;
         private char _lastSearchChar = '\0';
+
+        private Point _startPoint;
+        private bool _isSelecting = false;
+        private ScrollViewer? _listScrollViewer;
+
+        private static T? FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
+        {
+            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
+            {
+                var child = VisualTreeHelper.GetChild(parent, i);
+                if (child is T typedChild) return typedChild;
+                var childOfChild = FindVisualChild<T>(child);
+                if (childOfChild != null) return childOfChild;
+            }
+            return null;
+        }
 
         private GridView _detailsView = null!;
         private GridViewColumn _colName = null!, _colDateMod = null!, _colType = null!, _colSize = null!, _colCreation = null!, _colDimensions = null!;
@@ -579,10 +595,110 @@
         }
 
         // Drag Drop & Context Logic
+        private void FileListView_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (e.OriginalSource is DependencyObject depObj)
+            {
+                // Check if user clicked on a ListViewItem
+                var item = FindVisualParent<ListViewItem>(depObj);
+                if (item == null)
+                {
+                    // Clicked on empty space
+                    _startPoint = e.GetPosition(SelectionCanvas);
+                    FileListView.SelectedItems.Clear();
+                    _isSelecting = true;
+                    FileListView.CaptureMouse();
+
+                    Canvas.SetLeft(SelectionRectangle, _startPoint.X);
+                    Canvas.SetTop(SelectionRectangle, _startPoint.Y);
+                    SelectionRectangle.Width = 0;
+                    SelectionRectangle.Height = 0;
+                    SelectionRectangle.Visibility = Visibility.Visible;
+
+                    if (_listScrollViewer == null)
+                        _listScrollViewer = FindVisualChild<ScrollViewer>(FileListView);
+                }
+            }
+        }
+
+        private static T? FindVisualParent<T>(DependencyObject child) where T : DependencyObject
+        {
+            DependencyObject parentObject = child;
+            while (parentObject != null)
+            {
+                if (parentObject is Visual || parentObject is System.Windows.Media.Media3D.Visual3D)
+                {
+                    parentObject = VisualTreeHelper.GetParent(parentObject);
+                }
+                else
+                {
+                    parentObject = LogicalTreeHelper.GetParent(parentObject);
+                }
+
+                if (parentObject is T parent) return parent;
+            }
+            return null;
+        }
+
         private void FileListView_PreviewMouseMove(object sender, MouseEventArgs e)
         {
-            if (e.LeftButton == MouseButtonState.Pressed && FileListView.SelectedItem is FileSystemItem item && item.IsDirectory)
+            if (_isSelecting && e.LeftButton == MouseButtonState.Pressed)
+            {
+                Point pos = e.GetPosition(SelectionCanvas);
+
+                double x = Math.Min(pos.X, _startPoint.X);
+                double y = Math.Min(pos.Y, _startPoint.Y);
+                double w = Math.Abs(pos.X - _startPoint.X);
+                double h = Math.Abs(pos.Y - _startPoint.Y);
+
+                Canvas.SetLeft(SelectionRectangle, x);
+                Canvas.SetTop(SelectionRectangle, y);
+                SelectionRectangle.Width = w;
+                SelectionRectangle.Height = h;
+
+                Rect selectionRect = new Rect(x, y, w, h);
+
+                // Select items intersecting with rectangle
+                foreach (var item in FileListView.Items)
+                {
+                    if (FileListView.ItemContainerGenerator.ContainerFromItem(item) is ListViewItem lvi)
+                    {
+                        Point itemPos = lvi.TransformToVisual(SelectionCanvas).Transform(new Point(0, 0));
+                        Rect itemRect = new Rect(itemPos, new Size(lvi.ActualWidth, lvi.ActualHeight));
+
+                        if (selectionRect.IntersectsWith(itemRect))
+                            lvi.IsSelected = true;
+                        else
+                            lvi.IsSelected = false;
+                    }
+                }
+
+                // Auto-scroll logic
+                if (_listScrollViewer != null)
+                {
+                    Point listViewPos = e.GetPosition(FileListView);
+                    double scrollZoneHeight = 20;
+
+                    if (listViewPos.Y < scrollZoneHeight)
+                        _listScrollViewer.LineUp();
+                    else if (listViewPos.Y > FileListView.ActualHeight - scrollZoneHeight)
+                        _listScrollViewer.LineDown();
+                }
+            }
+            else if (!_isSelecting && e.LeftButton == MouseButtonState.Pressed && FileListView.SelectedItem is FileSystemItem item && item.IsDirectory)
+            {
                 DragDrop.DoDragDrop(FileListView, item.Path, DragDropEffects.Link);
+            }
+        }
+
+        private void FileListView_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (_isSelecting)
+            {
+                _isSelecting = false;
+                FileListView.ReleaseMouseCapture();
+                SelectionRectangle.Visibility = Visibility.Collapsed;
+            }
         }
 
         private void FavoritesList_Drop(object sender, DragEventArgs e)
@@ -734,7 +850,7 @@
        private ImageSource? _thumbnail;
        public ImageSource Thumbnail
        {
            get => _thumbnail;
            set
            {
                _thumbnail = value;

diff --git a/UnifiedExplorer.csproj b/UnifiedExplorer.csproj
@@ -6,9 +6,9 @@
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
     <ApplicationIcon>assets\app.ico</ApplicationIcon>
-    <Version>1.0.1</Version>
-    <AssemblyVersion>1.0.0.0</AssemblyVersion>
-    <FileVersion>1.0.1.0</FileVersion>
+    <Version>1.0.2</Version>
+    <AssemblyVersion>1.0.2.0</AssemblyVersion>
+    <FileVersion>1.0.2.0</FileVersion>
   </PropertyGroup>
 
   <ItemGroup>