Meta - Fixed a bunch of build warnings

src/Artemis.Core/Constants.cs

@@ -151,8 +151,7 @@ public static class Constants
     public static ReadOnlyCollection<string> StartupArguments { get; set; } = null!;
 
     /// <summary>
-    ///     Gets the graphics context to be used for rendering by SkiaSharp. Can be set via
-    ///     <see cref="IRgbService.UpdateGraphicsContext" />.
+    ///     Gets the graphics context to be used for rendering by SkiaSharp.
     /// </summary>
     public static IManagedGraphicsContext? ManagedGraphicsContext { get; internal set; }
 }

src/Artemis.Core/Models/ProfileConfiguration/ProfileConfiguration.cs

@@ -23,7 +23,6 @@ public class ProfileConfiguration : BreakableModel, IStorageModel, IDisposable
     private bool _disposed;
     private Hotkey? _enableHotkey;
     private ProfileConfigurationHotkeyMode _hotkeyMode;
-    private bool _isBeingEdited;
     private bool _isMissingModule;
     private bool _isSuspended;
     private bool _fadeInAndOut;

src/Artemis.Core/Models/Surface/ArtemisDevice.cs

@@ -5,6 +5,7 @@ using System.ComponentModel;
 using System.Diagnostics;
 using System.Linq;
 using Artemis.Core.DeviceProviders;
+using Artemis.Core.Services;
 using Artemis.Storage.Entities.Surface;
 using RGB.NET.Core;
 using SkiaSharp;
@@ -266,7 +267,7 @@ public class ArtemisDevice : CorePropertyChanged
 
     /// <summary>
     ///     Gets a boolean indicating whether this devices is enabled or not
-    ///     <para>Note: To enable/disable a device use the methods provided by <see cref="IRgbService" /></para>
+    ///     <para>Note: To enable/disable a device use the methods provided by <see cref="IDeviceService" /></para>
     /// </summary>
     public bool IsEnabled
     {
@@ -320,7 +321,7 @@ public class ArtemisDevice : CorePropertyChanged
     }
 
     /// <summary>
-    ///     Gets or sets the path of the custom layout to load when calling <see cref="IRgbService.ApplyBestDeviceLayout" />
+    ///     Gets or sets the path of the custom layout to load when calling <see cref="GetBestDeviceLayout" />
     ///     for this device
     /// </summary>
     public string? CustomLayoutPath

src/Artemis.Core/Services/PluginManagementService.cs

@@ -31,7 +31,7 @@ internal class PluginManagementService : IPluginManagementService
     private readonly IPluginRepository _pluginRepository;
     private readonly List<Plugin> _plugins;
     private readonly IQueuedActionRepository _queuedActionRepository;
-    private FileSystemWatcher _hotReloadWatcher;
+    private FileSystemWatcher? _hotReloadWatcher;
     private bool _disposed;
     private bool _isElevated;
 

src/Artemis.Core/Services/ProcessMonitoring/ProcessInfo.cs

@@ -1,24 +1,49 @@
 namespace Artemis.Core.Services;
 
+/// <summary>
+/// This readonly struct provides information about a process.
+/// </summary>
 public readonly struct ProcessInfo
 {
     #region Properties & Fields
 
+    /// <summary>
+    /// Gets the Identifier for the process.
+    /// </summary>
     public readonly int ProcessId;
+
+    /// <summary>
+    /// Gets the name of the process.
+    /// </summary>
     public readonly string ProcessName;
-    public readonly string ImageName; //TODO DarthAffe 01.09.2023: Do we need this if we can't get it through Process.GetProcesses()?
+
+    /// <summary>
+    /// Gets the Image Name of the Process.
+    /// </summary>
+    public readonly string ImageName; // TODO DarthAffe 01.09.2023: Do we need this if we can't get it through Process.GetProcesses()?
+    
+    /// <summary>
+    /// Gets the Executable associated with the Process.
+    /// </summary>
     public readonly string Executable;
 
     #endregion
 
     #region Constructors
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ProcessInfo"/> struct.
+    /// </summary>
+    /// <param name="processId">The identifier for the process.</param>
+    /// <param name="processName">The name of the process.</param>
+    /// <param name="imageName">The Image Name of the process.</param>
+    /// <param name="executable">The executable associated with the process.</param>
     public ProcessInfo(int processId, string processName, string imageName, string executable)
     {
-        this.ProcessId = processId;
-        this.ProcessName = processName;
-        this.ImageName = imageName;
-        this.Executable = executable;
+        ProcessId = processId;
+        ProcessName = processName;
+        ImageName = imageName;
+        Executable = executable;
     }
 
     #endregion

src/Artemis.UI.Shared/Behaviors/LostFocusTextBoxBindingBehavior.cs

@@ -15,7 +15,7 @@ public class LostFocusTextBoxBindingBehavior : Behavior<TextBox>
     /// <summary>
     ///     Gets or sets the value of the binding.
     /// </summary>
-    public static readonly StyledProperty<string> TextProperty = AvaloniaProperty.Register<LostFocusTextBoxBindingBehavior, string>(
+    public static readonly StyledProperty<string?> TextProperty = AvaloniaProperty.Register<LostFocusTextBoxBindingBehavior, string?>(
         "Text", defaultBindingMode: BindingMode.TwoWay);
 
     static LostFocusTextBoxBindingBehavior()
@@ -26,7 +26,7 @@ public class LostFocusTextBoxBindingBehavior : Behavior<TextBox>
     /// <summary>
     ///     Gets or sets the value of the binding.
     /// </summary>
-    public string Text
+    public string? Text
     {
         get => GetValue(TextProperty);
         set => SetValue(TextProperty, value);

src/Artemis.UI.Shared/Controls/DeviceVisualizer.cs

@@ -305,7 +305,7 @@ public class DeviceVisualizer : Control
         {
             _deviceImage = await Task.Run(() => GetDeviceImage(device));
         }
-        catch (Exception e)
+        catch (Exception)
         {
             // ignored
         }

src/Artemis.UI.Shared/Controls/Pagination/Pagination.cs

@@ -19,32 +19,32 @@ namespace Artemis.UI.Shared.Pagination;
 [TemplatePart("PART_PagesView", typeof(StackPanel))]
 public partial class Pagination : TemplatedControl
 {
+    private Button? _previousButton;
+    private Button? _nextButton;
+    private StackPanel? _pagesView;
+
     /// <inheritdoc />
     public Pagination()
     {
         PropertyChanged += OnPropertyChanged;
     }
 
-    public Button? PreviousButton { get; set; }
-    public Button? NextButton { get; set; }
-    public StackPanel? PagesView { get; set; }
-
     /// <inheritdoc />
     protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
     {
-        if (PreviousButton != null)
-            PreviousButton.Click -= PreviousButtonOnClick;
-        if (NextButton != null)
-            NextButton.Click -= NextButtonOnClick;
+        if (_previousButton != null)
+            _previousButton.Click -= PreviousButtonOnClick;
+        if (_nextButton != null)
+            _nextButton.Click -= NextButtonOnClick;
 
-        PreviousButton = e.NameScope.Find<Button>("PART_PreviousButton");
-        NextButton = e.NameScope.Find<Button>("PART_NextButton");
-        PagesView = e.NameScope.Find<StackPanel>("PART_PagesView");
+        _previousButton = e.NameScope.Find<Button>("PART_PreviousButton");
+        _nextButton = e.NameScope.Find<Button>("PART_NextButton");
+        _pagesView = e.NameScope.Find<StackPanel>("PART_PagesView");
 
-        if (PreviousButton != null)
-            PreviousButton.Click += PreviousButtonOnClick;
-        if (NextButton != null)
-            NextButton.Click += NextButtonOnClick;
+        if (_previousButton != null)
+            _previousButton.Click += PreviousButtonOnClick;
+        if (_nextButton != null)
+            _nextButton.Click += NextButtonOnClick;
 
         Update();
     }
@@ -69,40 +69,40 @@ public partial class Pagination : TemplatedControl
 
     private void Update()
     {
-        if (PagesView == null)
+        if (_pagesView == null)
             return;
 
         List<int> pages = GetPages(Value, Maximum);
 
         // Remove extra children
-        while (PagesView.Children.Count > pages.Count)
+        while (_pagesView.Children.Count > pages.Count)
         {
-            PagesView.Children.RemoveAt(PagesView.Children.Count - 1);
+            _pagesView.Children.RemoveAt(_pagesView.Children.Count - 1);
         }
 
-        if (PagesView.Children.Count > pages.Count)
-            PagesView.Children.RemoveRange(0, PagesView.Children.Count - pages.Count);
+        if (_pagesView.Children.Count > pages.Count)
+            _pagesView.Children.RemoveRange(0, _pagesView.Children.Count - pages.Count);
 
         // Add/modify children
         for (int i = 0; i < pages.Count; i++)
         {
             int page = pages[i];
-            
+
             // -1 indicates an ellipsis (...)
             if (page == -1)
             {
-                if (PagesView.Children.ElementAtOrDefault(i) is not PaginationEllipsis)
+                if (_pagesView.Children.ElementAtOrDefault(i) is not PaginationEllipsis)
                 {
-                    if (PagesView.Children.Count - 1 >= i)
-                        PagesView.Children[i] = new PaginationEllipsis();
+                    if (_pagesView.Children.Count - 1 >= i)
+                        _pagesView.Children[i] = new PaginationEllipsis();
                     else
-                        PagesView.Children.Add(new PaginationEllipsis());
+                        _pagesView.Children.Add(new PaginationEllipsis());
                 }
             }
             // Anything else indicates a regular page
             else
             {
-                if (PagesView.Children.ElementAtOrDefault(i) is PaginationPage paginationPage)
+                if (_pagesView.Children.ElementAtOrDefault(i) is PaginationPage paginationPage)
                 {
                     paginationPage.Page = page;
                     paginationPage.Command = ReactiveCommand.Create(() => Value = page);
@@ -110,14 +110,14 @@ public partial class Pagination : TemplatedControl
                 }
 
                 paginationPage = new PaginationPage {Page = page, Command = ReactiveCommand.Create(() => Value = page)};
-                if (PagesView.Children.Count - 1 >= i)
-                    PagesView.Children[i] = paginationPage;
+                if (_pagesView.Children.Count - 1 >= i)
+                    _pagesView.Children[i] = paginationPage;
                 else
-                    PagesView.Children.Add(paginationPage);
+                    _pagesView.Children.Add(paginationPage);
             }
         }
 
-        foreach (Control child in PagesView.Children)
+        foreach (Control child in _pagesView.Children)
         {
             if (child is PaginationPage paginationPage)
                 ((IPseudoClasses) paginationPage.Classes).Set(":selected", paginationPage.Page == Value);

src/Artemis.UI.Shared/Controls/TagsInput/TagsInput.cs

@@ -8,10 +8,17 @@ using ReactiveUI;
 
 namespace Artemis.UI.Shared.TagsInput;
 
+/// <summary>
+/// Represents an input for tags.
+/// </summary>
 [TemplatePart("PART_TagInputBox", typeof(TextBox))]
 public partial class TagsInput : TemplatedControl
 {
-    public TextBox? TagInputBox { get; set; }
+    private TextBox? _tagInputBox;
+
+    /// <summary>
+    /// Gets the command that is to be called when removing a tag
+    /// </summary>
     public ICommand RemoveTag { get; }
 
     /// <inheritdoc />
@@ -23,18 +30,18 @@ public partial class TagsInput : TemplatedControl
     /// <inheritdoc />
     protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
     {
-        if (TagInputBox != null)
+        if (_tagInputBox != null)
         {
-            TagInputBox.KeyDown -= TagInputBoxOnKeyDown;
-            TagInputBox.TextChanging -= TagInputBoxOnTextChanging;
+            _tagInputBox.KeyDown -= TagInputBoxOnKeyDown;
+            _tagInputBox.TextChanging -= TagInputBoxOnTextChanging;
         }
 
-        TagInputBox = e.NameScope.Find<TextBox>("PART_TagInputBox");
+        _tagInputBox = e.NameScope.Find<TextBox>("PART_TagInputBox");
 
-        if (TagInputBox != null)
+        if (_tagInputBox != null)
         {
-            TagInputBox.KeyDown += TagInputBoxOnKeyDown;
-            TagInputBox.TextChanging += TagInputBoxOnTextChanging;
+            _tagInputBox.KeyDown += TagInputBoxOnKeyDown;
+            _tagInputBox.TextChanging += TagInputBoxOnTextChanging;
         }
     }
 
@@ -42,21 +49,21 @@ public partial class TagsInput : TemplatedControl
     {
         Tags.Remove(t);
 
-        if (TagInputBox != null)
-            TagInputBox.IsEnabled = Tags.Count < MaxLength;
+        if (_tagInputBox != null)
+            _tagInputBox.IsEnabled = Tags.Count < MaxLength;
     }
 
     private void TagInputBoxOnTextChanging(object? sender, TextChangingEventArgs e)
     {
-        if (TagInputBox?.Text == null)
+        if (_tagInputBox?.Text == null)
             return;
 
-        TagInputBox.Text = CleanTagRegex().Replace(TagInputBox.Text.ToLower(), "");
+        _tagInputBox.Text = CleanTagRegex().Replace(_tagInputBox.Text.ToLower(), "");
     }
 
     private void TagInputBoxOnKeyDown(object? sender, KeyEventArgs e)
     {
-        if (TagInputBox == null)
+        if (_tagInputBox == null)
             return;
 
         if (e.Key == Key.Space)
@@ -64,13 +71,13 @@ public partial class TagsInput : TemplatedControl
         if (e.Key != Key.Enter)
             return;
 
-        if (string.IsNullOrWhiteSpace(TagInputBox.Text) || Tags.Contains(TagInputBox.Text) || Tags.Count >= MaxLength)
+        if (string.IsNullOrWhiteSpace(_tagInputBox.Text) || Tags.Contains(_tagInputBox.Text) || Tags.Count >= MaxLength)
             return;
 
-        Tags.Add(CleanTagRegex().Replace(TagInputBox.Text.ToLower(), ""));
+        Tags.Add(CleanTagRegex().Replace(_tagInputBox.Text.ToLower(), ""));
 
-        TagInputBox.Text = "";
-        TagInputBox.IsEnabled = Tags.Count < MaxLength;
+        _tagInputBox.Text = "";
+        _tagInputBox.IsEnabled = Tags.Count < MaxLength;
     }
 
     [GeneratedRegex("[\\s\\-]+")]

src/Artemis.UI.Shared/Exceptions/ArtemisRoutingException.cs

@@ -2,6 +2,9 @@ using System;
 
 namespace Artemis.UI.Shared;
 
+/// <summary>
+///     Represents errors that occur within the Artemis router.
+/// </summary>
 public class ArtemisRoutingException : Exception
 {
     /// <inheritdoc />

src/Artemis.UI.Shared/Extensions/HttpClientExtensions.cs

@@ -5,50 +5,60 @@ using System.Threading;
 using System.Threading.Tasks;
 using Artemis.UI.Shared.Utilities;
 
-namespace Artemis.UI.Shared.Extensions
+namespace Artemis.UI.Shared.Extensions;
+
+/// <summary>
+///     Provides extension methods for the <see cref="HttpClient" /> type.
+/// </summary>
+public static class HttpClientProgressExtensions
 {
-    public static class HttpClientProgressExtensions
+    /// <summary>
+    /// Send a GET request to the specified Uri with an HTTP completion option and a cancellation token as an asynchronous operation.
+    /// </summary>
+    /// <param name="client">The HTTP client to use.</param>
+    /// <param name="requestUrl">The Uri the request is sent to.</param>
+    /// <param name="destination">The destination stream.</param>
+    /// <param name="progress">The progress instance to use for progress indication.</param>
+    /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
+    public static async Task DownloadDataAsync(this HttpClient client, string requestUrl, Stream destination, IProgress<StreamProgress>? progress, CancellationToken cancellationToken)
     {
-        public static async Task DownloadDataAsync(this HttpClient client, string requestUrl, Stream destination, IProgress<StreamProgress>? progress, CancellationToken cancellationToken)
+        using HttpResponseMessage response = await client.GetAsync(requestUrl, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+        response.EnsureSuccessStatusCode();
+
+        long? contentLength = response.Content.Headers.ContentLength;
+        await using Stream download = await response.Content.ReadAsStreamAsync(cancellationToken);
+        // no progress... no contentLength... very sad
+        if (progress is null || !contentLength.HasValue)
         {
-            using HttpResponseMessage response = await client.GetAsync(requestUrl, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
-            response.EnsureSuccessStatusCode();
-
-            long? contentLength = response.Content.Headers.ContentLength;
-            await using Stream download = await response.Content.ReadAsStreamAsync(cancellationToken);
-            // no progress... no contentLength... very sad
-            if (progress is null || !contentLength.HasValue)
-            {
-                await download.CopyToAsync(destination, cancellationToken);
-                return;
-            }
-
-            // Such progress and contentLength much reporting Wow!
-            await download.CopyToAsync(destination, 81920, progress, contentLength, cancellationToken);
+            await download.CopyToAsync(destination, cancellationToken);
+            return;
         }
 
-        static async Task CopyToAsync(this Stream source, Stream destination, int bufferSize, IProgress<StreamProgress> progress, long? contentLength, CancellationToken cancellationToken)
-        {
-            if (bufferSize < 0)
-                throw new ArgumentOutOfRangeException(nameof(bufferSize));
-            if (source is null)
-                throw new ArgumentNullException(nameof(source));
-            if (!source.CanRead)
-                throw new InvalidOperationException($"'{nameof(source)}' is not readable.");
-            if (destination == null)
-                throw new ArgumentNullException(nameof(destination));
-            if (!destination.CanWrite)
-                throw new InvalidOperationException($"'{nameof(destination)}' is not writable.");
+        // Such progress and contentLength much reporting Wow!
+        await download.CopyToAsync(destination, 81920, progress, contentLength, cancellationToken);
+    }
 
-            byte[] buffer = new byte[bufferSize];
-            long totalBytesRead = 0;
-            int bytesRead;
-            while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
-            {
-                await destination.WriteAsync(buffer, 0, bytesRead, cancellationToken).ConfigureAwait(false);
-                totalBytesRead += bytesRead;
-                progress?.Report(new StreamProgress(totalBytesRead, contentLength ?? totalBytesRead));
-            }
+    private static async Task CopyToAsync(this Stream source, Stream destination, int bufferSize, IProgress<StreamProgress> progress, long? contentLength, CancellationToken cancellationToken)
+    {
+        if (bufferSize < 0)
+            throw new ArgumentOutOfRangeException(nameof(bufferSize));
+        if (source is null)
+            throw new ArgumentNullException(nameof(source));
+        if (!source.CanRead)
+            throw new InvalidOperationException($"'{nameof(source)}' is not readable.");
+        if (destination == null)
+            throw new ArgumentNullException(nameof(destination));
+        if (!destination.CanWrite)
+            throw new InvalidOperationException($"'{nameof(destination)}' is not writable.");
+
+        byte[] buffer = new byte[bufferSize];
+        long totalBytesRead = 0;
+        int bytesRead;
+        while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
+        {
+            await destination.WriteAsync(buffer, 0, bytesRead, cancellationToken).ConfigureAwait(false);
+            totalBytesRead += bytesRead;
+            progress?.Report(new StreamProgress(totalBytesRead, contentLength ?? totalBytesRead));
         }
     }
 }

src/Artemis.UI.Shared/Services/Window/WindowService.cs

@@ -61,7 +61,10 @@ internal class WindowService : IWindowService
     public async Task ShowDialogAsync(object viewModel)
     {
         Window? parent = GetCurrentWindow();
-
+        
+        if (parent == null)
+            throw new ArtemisSharedUIException("Failed to get the current window.");
+        
         string name = viewModel.GetType().FullName!.Split('`')[0].Replace("ViewModel", "View");
         Type? type = viewModel.GetType().Assembly.GetType(name);
 
@@ -100,6 +103,9 @@ internal class WindowService : IWindowService
     public async Task<TResult> ShowDialogAsync<TResult>(DialogViewModelBase<TResult> viewModel)
     {
         Window? parent = GetCurrentWindow();
+        
+        if (parent == null)
+            throw new ArtemisSharedUIException("Failed to get the current window.");
 
         string name = viewModel.GetType().FullName!.Split('`')[0].Replace("ViewModel", "View");
         Type? type = viewModel.GetType().Assembly.GetType(name);

src/Artemis.UI.Shared/Utilities.cs

@@ -18,6 +18,9 @@ public static class UI
 {
     private static readonly BehaviorSubject<bool> MicaEnabledSubject = new(false);
 
+    /// <summary>
+    ///     Gets the background event loop scheduler.
+    /// </summary>
     public static EventLoopScheduler BackgroundScheduler = new(ts => new Thread(ts));
 
     static UI()

src/Artemis.UI/ArtemisBootstrapper.cs

@@ -33,9 +33,9 @@ public static class ArtemisBootstrapper
     {
         if (_application != null || _container != null)
             throw new ArtemisUIException("UI already bootstrapped");
-         
+
         Utilities.PrepareFirstLaunch();
-        
+
         application.RequestedThemeVariant = ThemeVariant.Dark;
         _application = application;
         _container = new Container(rules => rules
@@ -52,7 +52,7 @@ public static class ArtemisBootstrapper
         configureServices?.Invoke(_container);
 
         _container.UseDryIocDependencyResolver();
-        
+
         Logger.Sink = _container.Resolve<SerilogAvaloniaSink>();
         return _container;
     }
@@ -64,7 +64,7 @@ public static class ArtemisBootstrapper
         if (_application.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop)
             return;
 
-        Constants.StartupArguments = new ReadOnlyCollection<string>(new List<string>(desktop.Args));
+        Constants.StartupArguments = new ReadOnlyCollection<string>(desktop.Args != null ? new List<string>(desktop.Args) : new List<string>());
 
         // Don't shut down when the last window closes, we might still be active in the tray
         desktop.ShutdownMode = ShutdownMode.OnExplicitShutdown;

src/Artemis.UI/Screens/Device/Tabs/DeviceGeneralTabViewModel.cs

@@ -1,15 +1,10 @@
-using Artemis.UI.Shared;
-using Artemis.UI.Shared;
-using System;
+using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
 using System.Reactive.Disposables;
-using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 using Artemis.Core;
 using Artemis.Core.Services;
+using Artemis.UI.Shared;
 using Artemis.UI.Shared.Services;
 using ReactiveUI;
 using RGB.NET.Core;
@@ -50,10 +45,10 @@ public class DeviceGeneralTabViewModel : ActivatableViewModelBase
 
         Device = device;
         DisplayName = "General";
-        X = (int)Device.X;
-        Y = (int)Device.Y;
+        X = (int) Device.X;
+        Y = (int) Device.Y;
         Scale = Device.Scale;
-        Rotation = (int)Device.Rotation;
+        Rotation = (int) Device.Rotation;
         RedScale = Device.RedScale * 100f;
         GreenScale = Device.GreenScale * 100f;
         BlueScale = Device.BlueScale * 100f;
@@ -234,7 +229,7 @@ public class DeviceGeneralTabViewModel : ActivatableViewModelBase
         if (!DisplayOnDevices)
             return;
 
-        using SKPaint overlayPaint = new() { Color = CurrentColor };
+        using SKPaint overlayPaint = new() {Color = CurrentColor};
         e.Canvas.DrawRect(0, 0, e.Canvas.LocalClipBounds.Width, e.Canvas.LocalClipBounds.Height, overlayPaint);
     }
 }

src/Artemis.UI/Screens/Device/Tabs/DeviceLayoutTabView.axaml.cs

@@ -1,8 +1,5 @@
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Input;
+using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.Markup.Xaml;
 using Avalonia.ReactiveUI;
 
 namespace Artemis.UI.Screens.Device;
@@ -18,17 +15,17 @@ public partial class DeviceLayoutTabView : ReactiveUserControl<DeviceLayoutTabVi
     {
         if (ViewModel?.DefaultLayoutPath is null)
             return;
-        
-        TopLevel.GetTopLevel(this).Clipboard.SetTextAsync(ViewModel.DefaultLayoutPath);
+
+        TopLevel.GetTopLevel(this)?.Clipboard?.SetTextAsync(ViewModel.DefaultLayoutPath);
         ViewModel.ShowCopiedNotification();
     }
 
     private void ImagePathButton_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (ViewModel?.Device?.Layout?.Image?.LocalPath is null)
+        if (ViewModel?.Device.Layout?.Image?.LocalPath is null)
             return;
-        
-        TopLevel.GetTopLevel(this).Clipboard.SetTextAsync(ViewModel.Device.Layout.Image.LocalPath);
+
+        TopLevel.GetTopLevel(this)?.Clipboard?.SetTextAsync(ViewModel.Device.Layout.Image.LocalPath);
         ViewModel.ShowCopiedNotification();
     }
 }

src/Artemis.UI/Screens/Device/Tabs/DeviceLogicalLayoutDialogView.axaml.cs

@@ -25,8 +25,10 @@ public partial class DeviceLogicalLayoutDialogView : ReactiveUserControl<DeviceL
         RegionsAutoCompleteBox.PopulateComplete();
     }
 
-    private bool SearchRegions(string search, object item)
+    private bool SearchRegions(string? search, object? item)
     {
+        if (search == null)
+            return true;
         if (item is not RegionInfo regionInfo)
             return false;
 

src/Artemis.UI/Screens/ProfileEditor/Panels/ProfileTree/Dialogs/AdaptionHints/SingleLedAdaptionHintViewModel.cs

@@ -11,7 +11,7 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.Dialogs.AdaptionHints;
 
 public partial class SingleLedAdaptionHintViewModel : AdaptionHintViewModelBase
 {
-    [Notify] private List<AdaptionLed> _adaptionLeds;
+    [Notify] private List<AdaptionLed> _adaptionLeds = new();
     [Notify] private AdaptionLed? _selectedLed;
 
     public SingleLedAdaptionHintViewModel(Layer layer, SingleLedAdaptionHint adaptionHint) : base(layer, adaptionHint)

src/Artemis.UI/Screens/ProfileEditor/Panels/ProfileTree/ProfileTreeView.axaml.cs

@@ -5,7 +5,6 @@ using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Layout;
 using Avalonia.LogicalTree;
-using Avalonia.Markup.Xaml;
 using Avalonia.Media;
 using Avalonia.Media.Imaging;
 using Avalonia.ReactiveUI;
@@ -40,7 +39,8 @@ public partial class ProfileTreeView : ReactiveUserControl<ProfileTreeViewModel>
 
     private void CreateDragAdorner(DragEventArgs e)
     {
-        if (_dragAdorner != null)
+        Window? window = this.FindAncestorOfType<Window>();
+        if (window == null || _dragAdorner != null)
             return;
 
         if (e.Source is not Control c)
@@ -55,7 +55,7 @@ public partial class ProfileTreeView : ReactiveUserControl<ProfileTreeViewModel>
         ITransform? originalTransform = container.RenderTransform;
         try
         {
-            _dragStartPosition = e.GetPosition(this.FindAncestorOfType<Window>());
+            _dragStartPosition = e.GetPosition(window);
             _elementDragOffset = e.GetPosition(container);
 
             RenderTargetBitmap renderTarget = new(new PixelSize((int) container.Bounds.Width, (int) container.Bounds.Height));
@@ -106,10 +106,11 @@ public partial class ProfileTreeView : ReactiveUserControl<ProfileTreeViewModel>
 
     private void UpdateDragAdorner(DragEventArgs e)
     {
-        if (_dragAdorner == null)
+        Window? window = this.FindAncestorOfType<Window>();
+        if (window == null || _dragAdorner == null)
             return;
 
-        Point position = e.GetPosition(this.FindAncestorOfType<Window>());
+        Point position = e.GetPosition(window);
         _dragAdorner.RenderTransform = new TranslateTransform(_dragStartPosition.X - _elementDragOffset.X, position.Y - _elementDragOffset.Y);
     }
 

src/Artemis.UI/Screens/Root/RootView.axaml.cs

@@ -15,7 +15,7 @@ public partial class RootView : ReactiveUserControl<RootViewModel>
         this.WhenActivated(d => ViewModel.WhenAnyValue(vm => vm.Screen).Subscribe(Navigate).DisposeWith(d));
     }
 
-    private void Navigate(RoutableScreen viewModel)
+    private void Navigate(RoutableScreen? viewModel)
     {
         try
         {

src/Artemis.UI/Screens/Settings/Tabs/ReleasesTabView.axaml.cs

@@ -23,7 +23,7 @@ public partial class ReleasesTabView : ReactiveUserControl<ReleasesTabViewModel>
             {
                 ReleaseFrame.NavigateFromObject(viewModel);
             }
-            catch (Exception e)
+            catch (Exception)
             {
                 // ignored
             }

src/Artemis.UI/Screens/Sidebar/Dialogs/ProfileConfigurationEditViewModel.cs

@@ -202,14 +202,17 @@ public class ProfileConfigurationEditViewModel : DialogViewModelBase<ProfileConf
     {
         // Preselect the icon based on streams if needed
         if (_profileConfiguration.Icon.IconType == ProfileConfigurationIconType.BitmapImage)
+        {
             try
             {
-                SelectedBitmapSource = new Bitmap(_profileConfiguration.Icon.GetIconStream());
+                Stream? iconStream = _profileConfiguration.Icon.GetIconStream();
+                SelectedBitmapSource = iconStream != null ? new Bitmap(iconStream) : null;
             }
             catch (Exception e)
             {
                 _windowService.ShowConfirmContentDialog("Failed to load profile icon", e.Message, "Meh", null);
             }
+        }
 
         // Prepare the contents of the dropdown box, it should be virtualized so no need to wait with this
         ObservableCollection<ProfileIconViewModel> icons = new(Enum.GetValues<MaterialIconKind>()

src/Artemis.UI/Screens/Sidebar/SidebarCategoryView.axaml.cs

@@ -49,7 +49,8 @@ public partial class SidebarCategoryView : ReactiveUserControl<SidebarCategoryVi
 
     private void CreateDragAdorner(DragEventArgs e)
     {
-        if (_dragAdorner != null)
+        Window? window = this.FindAncestorOfType<Window>();
+        if (window == null || _dragAdorner != null)
             return;
 
         if (e.Source is not Control c)
@@ -64,7 +65,7 @@ public partial class SidebarCategoryView : ReactiveUserControl<SidebarCategoryVi
         ITransform? originalTransform = container.RenderTransform;
         try
         {
-            _dragStartPosition = e.GetPosition(this.FindAncestorOfType<Window>());
+            _dragStartPosition = e.GetPosition(window);
             _elementDragOffset = e.GetPosition(container);
 
             RenderTargetBitmap renderTarget = new(new PixelSize((int) container.Bounds.Width, (int) container.Bounds.Height));
@@ -88,7 +89,9 @@ public partial class SidebarCategoryView : ReactiveUserControl<SidebarCategoryVi
 
     private void HandleDragOver(object? sender, DragEventArgs e)
     {
-        UpdateDragAdorner(e.GetPosition(this.FindAncestorOfType<Window>()));
+        Window? window = this.FindAncestorOfType<Window>();
+        if (window != null)
+            UpdateDragAdorner(e.GetPosition(window));
     }
 
     private void HandleLeaveEvent(object? sender, RoutedEventArgs e)

src/Artemis.UI/Screens/Workshop/Home/WorkshopOfflineViewModel.cs

@@ -1,10 +1,8 @@
-
+using System;
 using System.Reactive;
 using System.Threading;
 using System.Threading.Tasks;
-using Artemis.UI.Shared;
 using Artemis.UI.Shared.Routing;
-using Artemis.WebClient.Workshop;
 using Artemis.WebClient.Workshop.Services;
 using ReactiveUI;
 
@@ -14,7 +12,7 @@ public class WorkshopOfflineViewModel : RoutableScreen<WorkshopOfflineParameters
 {
     private readonly IRouter _router;
     private readonly IWorkshopService _workshopService;
-    private string _message;
+    private string _message = string.Empty;
 
     /// <inheritdoc />
     public WorkshopOfflineViewModel(IWorkshopService workshopService, IRouter router)
@@ -51,5 +49,5 @@ public class WorkshopOfflineViewModel : RoutableScreen<WorkshopOfflineParameters
 
 public class WorkshopOfflineParameters
 {
-    public string Message { get; set; }
+    public string Message { get; set; } = string.Empty;
 }

src/Artemis.VisualScripting/Converters/JsonConverter.cs

@@ -11,7 +11,7 @@ namespace Artemis.VisualScripting.Converters;
 public class JsonConverter : IValueConverter
 {
     /// <inheritdoc />
-    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
         return JsonConvert.SerializeObject(value, Formatting.Indented);
     }
@@ -19,8 +19,7 @@ public class JsonConverter : IValueConverter
     /// <inheritdoc />
     public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        if (value == null)
-            return null;
-        return JsonConvert.DeserializeObject(value.ToString(), targetType);
+        string? json = value?.ToString();
+        return json == null ? null : JsonConvert.DeserializeObject(json, targetType);
     }
 }

src/Artemis.VisualScripting/Nodes/Operators/Screens/EnumEqualsNodeCustomViewModel.cs

@@ -44,7 +44,7 @@ public class EnumEqualsNodeCustomViewModel : CustomNodeViewModel
 
     public ObservableCollection<EnumValueItem> EnumValues { get; } = new();
 
-    public EnumValueItem CurrentValue
+    public EnumValueItem? CurrentValue
     {
         get => EnumValues.FirstOrDefault(v => v.Value == _node.Storage);
         set

src/Artemis.WebClient.Workshop/Entities/RefreshTokenEntity.cs

@@ -2,6 +2,5 @@ namespace Artemis.WebClient.Workshop.Entities;
 
 public class RefreshTokenEntity
 {
-    public string RefreshToken { get; set; }
-    
+    public string RefreshToken { get; set; } = string.Empty;
 }