Many new plays

WindowViewModel.cs

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+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+
+namespace ModernWpfPlayground
+{
+    public class WindowViewModel : BaseViewModel
+    {
+        public WindowViewModel()
+        {
+            ShowDialogCommand = new RelayCommand(async x => await ShowDialogAsync(x));
+        }
+
+        private async Task ShowDialogAsync(object obj)
+        {
+            var dialog = new ContentDialogExample();
+            await dialog.ShowAsync();
+        }
+
+        public bool BooleanValue
+        {
+            get => GetProperty(true);
+            set => SetProperty(value);
+        }
+
+        public Visibility VisibilityEnumTest
+        {
+            get => GetProperty<Visibility>();
+            set => SetProperty(value);
+        }
+
+        public double SliderTest
+        {
+            get => GetProperty<double>(100);
+            set => SetProperty(value);
+        }
+
+        public double ValidationTest
+        {
+            get => GetProperty<double>();
+            set => SetProperty(value);
+        }
+
+        public ICommand ShowDialogCommand { get; }
+    }
+}