Code cleanup

CsvView/MainWindow.axaml.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using Avalonia.Controls;
@@ -18,6 +19,8 @@ public partial class MainWindow : Window
     }
 
     private async void BtnLoad_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             TopLevel? topLevel = GetTopLevel(this);
             if (topLevel == null) { return; }
@@ -28,8 +31,8 @@ public partial class MainWindow : Window
                 AllowMultiple = false,
                 FileTypeFilter = new List<FilePickerFileType>
                 {
-                new("CSV Files") { Patterns = new[] { "*.csv", }, },
+                    new("CSV Files") { Patterns = ["*.csv",], },
-                new("Any File") { Patterns = new[] { "*", }, },
+                    new("Any File") { Patterns = ["*",], },
                 },
             });
 
@@ -37,6 +40,11 @@ public partial class MainWindow : Window
 
             LoadFile(files[0].Path.LocalPath);
         }
+        catch (Exception)
+        {
+            // ignored
+        }
+    }
 
     private void BtnSearch_OnClick(object? sender, RoutedEventArgs e)
     {
@@ -71,7 +79,7 @@ public partial class MainWindow : Window
     private string _loadedFile = string.Empty;
     private long _currentReg;
     private int _totalRegs;
-    private List<long> _index = new();
+    private List<long> _index = [];
 
     private void LoadFile(string fileName)
     {
@@ -118,7 +126,7 @@ public partial class MainWindow : Window
             BtnNext.IsEnabled = false;
             BtnLast.IsEnabled = false;
 
-            DataContext = new MainWindowViewModel { Index = 0, Fields = new(), };
+            DataContext = new MainWindowViewModel { Index = 0, Fields = [], };
             _rendering = false;
             return;
         }