feat: clean up warnings.

src/Ursa/Controls/Dialog/CustomDialogControl.cs

@@ -1,15 +1,5 @@
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Controls.Metadata;
-using Avalonia.Controls.Primitives;
-using Avalonia.Input;
-using Avalonia.Input.GestureRecognizers;
-using Avalonia.Interactivity;
-using Avalonia.Threading;
+using Avalonia.Controls.Primitives;
 using Irihi.Avalonia.Shared.Contracts;
-using Ursa.Common;
-using Ursa.Controls.OverlayShared;
-using Ursa.EventArgs;
 
 namespace Ursa.Controls;
 

src/Ursa/Controls/Dialog/DefaultDialogControl.cs

@@ -2,12 +2,9 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Metadata;
 using Avalonia.Controls.Primitives;
-using Avalonia.Input;
 using Avalonia.Interactivity;
 using Irihi.Avalonia.Shared.Contracts;
 using Irihi.Avalonia.Shared.Helpers;
-using Ursa.Common;
-using Ursa.EventArgs;
 
 namespace Ursa.Controls;
 
@@ -95,7 +92,7 @@ public class DefaultDialogControl: DialogControlBase
         }
     }
     
-    private void DefaultButtonsClose(object sender, RoutedEventArgs args)
+    private void DefaultButtonsClose(object? sender, RoutedEventArgs args)
     {
         if (sender is Button button)
         {

src/Ursa/Controls/Dialog/DefaultDialogWindow.cs

@@ -5,7 +5,6 @@ using Avalonia.Controls.Primitives;
 using Avalonia.Interactivity;
 using Irihi.Avalonia.Shared.Contracts;
 using Irihi.Avalonia.Shared.Helpers;
-using Ursa.Common;
 
 namespace Ursa.Controls;
 
@@ -57,27 +56,26 @@ public class DefaultDialogWindow: DialogWindow
         SetButtonVisibility();
     }
 
-    private void OnDefaultClose(object sender, RoutedEventArgs e)
+    private void OnDefaultClose(object? sender, RoutedEventArgs e)
     {
-        if (sender == _yesButton)
+        if (Equals(sender, _yesButton))
         {
             Close(DialogResult.Yes);
             return;
         }
-        if(sender == _noButton)
+        if(Equals(sender, _noButton))
         {
             Close(DialogResult.No);
             return;
         }
-        if(sender == _okButton)
+        if(Equals(sender, _okButton))
         {
             Close(DialogResult.OK);
             return;
         }
-        if(sender == _cancelButton)
+        if(Equals(sender, _cancelButton))
         {
             Close(DialogResult.Cancel);
-            return;
         }
     }
 
@@ -125,7 +123,7 @@ public class DefaultDialogWindow: DialogWindow
         if (button is not null) button.IsVisible = visible;
     }
 
-    protected internal override void OnCloseButtonClicked(object sender, RoutedEventArgs args)
+    protected override void OnCloseButtonClicked(object? sender, RoutedEventArgs args)
     {
         if (DataContext is IDialogContext context)
         {

src/Ursa/Controls/Dialog/DialogControlBase.cs

@@ -6,9 +6,7 @@ using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.LogicalTree;
 using Irihi.Avalonia.Shared.Helpers;
-using Ursa.Common;
 using Ursa.Controls.OverlayShared;
-using Ursa.EventArgs;
 
 namespace Ursa.Controls;
 
@@ -190,7 +188,7 @@ public abstract class DialogControlBase : OverlayFeedbackElement
         e.Source = this;
     }
 
-    private void OnCloseButtonClick(object sender, RoutedEventArgs args) => Close();
+    private void OnCloseButtonClick(object? sender, RoutedEventArgs args) => Close();
 
     internal void SetAsModal(bool modal)
     {

src/Ursa/Controls/Dialog/DialogWindow.cs

@@ -6,7 +6,6 @@ using Avalonia.Input;
 using Avalonia.Interactivity;
 using Irihi.Avalonia.Shared.Contracts;
 using Irihi.Avalonia.Shared.Helpers;
-using Ursa.Common;
 
 namespace Ursa.Controls;
 
@@ -59,7 +58,7 @@ public class DialogWindow: Window
         Close(args);
     }
 
-    protected internal virtual void OnCloseButtonClicked(object sender, RoutedEventArgs args)
+    protected virtual void OnCloseButtonClicked(object? sender, RoutedEventArgs args)
     {
         if (DataContext is IDialogContext context)
         {
@@ -71,7 +70,7 @@ public class DialogWindow: Window
         }
     }
     
-    private void OnTitlePointerPressed(object sender, PointerPressedEventArgs e)
+    private void OnTitlePointerPressed(object? sender, PointerPressedEventArgs e)
     {
         this.BeginMoveDrag(e);
     }

src/Ursa/Controls/Dialog/OverlayDialog.cs

@@ -1,7 +1,6 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Layout;
-using Ursa.Common;
 
 namespace Ursa.Controls;