-Progress Bar implemented

- Copy Speed Limit implemented

MainWindow.xaml.cs

@@ -17,6 +17,9 @@ using System.IO;
 using XML;
 using TapeCatalog.Methods;
 using System.Windows.Threading;
+using System.Diagnostics;
+using System.Threading;
+using System.Globalization;
 
 
 
@@ -360,7 +363,7 @@ namespace TapeCatalog
             Copy.PopulateTree(CopyTreeView, SourceTextBox.Text);
         }
 
-        private void COPY_SELECTED_TO_ARCHIVE(object sender, RoutedEventArgs e)
+        private async void COPY_SELECTED_TO_ARCHIVE(object sender, RoutedEventArgs e)
         {
             var archivePath = ArchiveTextBox.Text?.Trim();
             if (string.IsNullOrWhiteSpace(archivePath) || !Directory.Exists(archivePath))
@@ -376,8 +379,104 @@ namespace TapeCatalog
                 return;
             }
 
-            var result = Copy.CopySelectedToArchive(CopyTreeView, sourceRoot, archivePath);
-            MessageBox.Show(this, $"Copy finished. Success: {result.Item1}, Failed: {result.Item2}", "Copy completed", MessageBoxButton.OK, MessageBoxImage.Information);
+            var files = Copy.GetCheckedFiles(CopyTreeView);
+            if (files.Count == 0)
+            {
+                MessageBox.Show(this, "No files selected.", "Nothing to copy", MessageBoxButton.OK, MessageBoxImage.Information);
+                return;
+            }
+
+            // prepare progress UI based on bytes
+            long totalBytes = 0;
+            foreach (var f in files)
+            {
+                try { totalBytes += new FileInfo(f).Length; } catch { }
+            }
+
+            if (totalBytes <= 0) totalBytes = 1; // avoid zero maximum
+
+            CopyProgressBar.Minimum = 0;
+            CopyProgressBar.Maximum = (double)totalBytes;
+            CopyProgressBar.Value = 0;
+            CopyProgressText.Text = "Starting...";
+
+            long bytesCopied = 0;
+            int copied = 0, failed = 0;
+
+            // parse speed limit (MB/s) from settings; 0 or invalid = unlimited
+            double speedMb = 0;
+            var speedText = CopySpeedTextBox?.Text?.Trim();
+            if (!string.IsNullOrWhiteSpace(speedText))
+                double.TryParse(speedText, NumberStyles.Float, CultureInfo.InvariantCulture, out speedMb);
+
+            double speedBytesPerSec = speedMb > 0 ? speedMb * 1024.0 * 1024.0 : 0;
+
+            await Task.Run(() =>
+            {
+                const int bufferSize = 64 * 1024; // 64KB
+                var buffer = new byte[bufferSize];
+
+                for (int i = 0; i < files.Count; i++)
+                {
+                    var src = files[i];
+                    try
+                    {
+                        var fileDir = System.IO.Path.GetDirectoryName(src) ?? string.Empty;
+                        string relative;
+                        if (!string.IsNullOrWhiteSpace(sourceRoot) && fileDir.StartsWith(sourceRoot, StringComparison.OrdinalIgnoreCase))
+                            relative = fileDir.Substring(sourceRoot.Length).TrimStart(System.IO.Path.DirectorySeparatorChar, System.IO.Path.AltDirectorySeparatorChar);
+                        else
+                            relative = System.IO.Path.GetFileName(fileDir);
+
+                        var destDir = System.IO.Path.Combine(archivePath, relative);
+                        Directory.CreateDirectory(destDir);
+                        var destFile = System.IO.Path.Combine(destDir, System.IO.Path.GetFileName(src));
+
+                        using (var inStream = new FileStream(src, FileMode.Open, FileAccess.Read, FileShare.Read))
+                        using (var outStream = new FileStream(destFile, FileMode.Create, FileAccess.Write, FileShare.None))
+                        {
+                            long fileBytesCopied = 0;
+                            var sw = Stopwatch.StartNew();
+                            int read;
+                            while ((read = inStream.Read(buffer, 0, buffer.Length)) > 0)
+                            {
+                                outStream.Write(buffer, 0, read);
+                                fileBytesCopied += read;
+                                Interlocked.Add(ref bytesCopied, read);
+
+                                // throttling per file
+                                if (speedBytesPerSec > 0)
+                                {
+                                    double desiredMs = (fileBytesCopied / speedBytesPerSec) * 1000.0;
+                                    double actualMs = sw.Elapsed.TotalMilliseconds;
+                                    if (desiredMs > actualMs)
+                                    {
+                                        int sleep = (int)Math.Ceiling(desiredMs - actualMs);
+                                        if (sleep > 0) Thread.Sleep(sleep);
+                                    }
+                                }
+
+                                // update UI progress
+                                Dispatcher.Invoke(() =>
+                                {
+                                    CopyProgressBar.Value = Math.Min((double)bytesCopied, CopyProgressBar.Maximum);
+                                    double pct = (CopyProgressBar.Value / CopyProgressBar.Maximum) * 100.0;
+                                    CopyProgressText.Text = $"{FormatBytes(bytesCopied)} / {FormatBytes(totalBytes)} ({pct:F1}%)";
+                                });
+                            }
+                        }
+
+                        copied++;
+                    }
+                    catch
+                    {
+                        failed++;
+                    }
+                }
+            });
+
+            CopyProgressText.Text = $"Done. Success: {copied}, Failed: {failed}. {FormatBytes(bytesCopied)} copied.";
+            MessageBox.Show(this, $"Copy finished. Success: {copied}, Failed: {failed}", "Copy completed", MessageBoxButton.OK, MessageBoxImage.Information);
         }
 
         private void UpdateCopySummary()
@@ -435,6 +534,12 @@ namespace TapeCatalog
                 // swallow periodic update errors; avoid UI disruptions
             }
         }
+
+        private static string FormatBytes(long bytes)
+        {
+            double mb = bytes / 1024.0 / 1024.0;
+            return mb.ToString("F2") + " MB";
+        }
     }
     #endregion (VERIFY_SIZES)
     public class FileEntry : System.ComponentModel.INotifyPropertyChanged