Fix up samples

Caliburn-Micro · Nov 4, 2018 · 217982f · 217982f
1 parent a69335b
commit 217982f
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Showing 2 changed files with 136 additions and 82 deletions.
diff --git a/samples/features/Features.CrossPlatform.Shared/ViewModels/TabViewModel.cs b/samples/features/Features.CrossPlatform.Shared/ViewModels/TabViewModel.cs
@@ -7,6 +7,8 @@ namespace Features.CrossPlatform.ViewModels
 {
     public class TabViewModel : Screen
     {
+        private readonly Random random = new Random();
+
         public TabViewModel()
         {
             Messages = new BindableCollection<string>();
@@ -33,6 +35,18 @@ protected override Task OnDeactivateAsync(bool close, CancellationToken cancella
             return Task.CompletedTask;
         }
 
+        public override async Task<bool> CanCloseAsync(CancellationToken cancellationToken)
+        {
+            var delay = random.Next(5) + 1;
+            var canClose = random.Next(2) == 0;
+
+            Messages.Add($"Delaying {delay} seconds and allowing close: {canClose}");
+
+            await Task.Delay(TimeSpan.FromSeconds(delay));
+
+            return canClose;
+        }
+
         public BindableCollection<string> Messages { get; }
     }
 }