Add TimeBox Control

demo/Ursa.Demo/ViewModels/MainViewViewModel.cs

@@ -58,6 +58,7 @@ public class MainViewViewModel : ViewModelBase
             MenuKeys.MenuKeyTwoTonePathIcon => new TwoTonePathIconDemoViewModel(),
             MenuKeys.MenuKeyThemeToggler => new ThemeTogglerDemoViewModel(),
             MenuKeys.MenuKeyToolBar => new ToolBarDemoViewModel(),
+            MenuKeys.MenuKeyTimeBox => new TimeBoxDemoViewModel(),
             MenuKeys.MenuKeyVerificationCode => new VerificationCodeDemoViewModel(),
         };
     }

demo/Ursa.Demo/ViewModels/MenuViewModel.cs

@@ -45,6 +45,7 @@ public class MenuViewModel: ViewModelBase
             new() { MenuHeader = "Timeline", Key = MenuKeys.MenuKeyTimeline },
             new() { MenuHeader = "TwoTonePathIcon", Key = MenuKeys.MenuKeyTwoTonePathIcon},
             new() { MenuHeader = "ToolBar", Key = MenuKeys.MenuKeyToolBar },
+            new() { MenuHeader = "Time Box", Key = MenuKeys.MenuKeyTimeBox, Status = "New" },
             new() { MenuHeader = "Verification Code", Key = MenuKeys.MenuKeyVerificationCode, Status = "New" },
         };
     }
@@ -87,5 +88,6 @@ public static class MenuKeys
     public const string MenuKeyThemeToggler = "ThemeToggler";
     public const string MenuKeyToolBar = "ToolBar";
     public const string MenuKeyVerificationCode = "VerificationCode";
+    public const string MenuKeyTimeBox = "TimeBox";
 
 }

demo/Ursa.Demo/ViewModels/TimeBoxDemoViewModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Net;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace Ursa.Demo.ViewModels;
+
+public partial class TimeBoxDemoViewModel : ObservableObject
+{
+    [ObservableProperty] private TimeSpan? _timeSpan;
+
+    [RelayCommand]
+    private void ChangeRandomTime()
+    {
+        TimeSpan = new TimeSpan(Random.Shared.NextInt64(0x00000000FFFFFFFF));
+    }
+    
+    public TimeBoxDemoViewModel()
+    {
+        TimeSpan = new TimeSpan(0, 21, 11, 36, 54);
+    }
+}