add PropertyGrid v1

src/Shared/HandyControlDemo_Shared/UserControl/Controls/PropertyGridDemoCtl.xaml.cs

@@ -1,10 +1,30 @@
-namespace HandyControlDemo.UserControl
+using System.Windows;
+using HandyControlDemo.Data;
+
+namespace HandyControlDemo.UserControl
 {
     public partial class PropertyGridDemoCtl
     {
         public PropertyGridDemoCtl()
         {
             InitializeComponent();
+
+            DemoModel = new PropertyGridDemoModel
+            {
+                Name = "TestName",
+                Gender = Gender.Female,
+                IsPassed = true,
+                Score = 98
+            };
+        }
+
+        public static readonly DependencyProperty DemoModelProperty = DependencyProperty.Register(
+            "DemoModel", typeof(PropertyGridDemoModel), typeof(PropertyGridDemoCtl), new PropertyMetadata(default(PropertyGridDemoModel)));
+
+        public PropertyGridDemoModel DemoModel
+        {
+            get => (PropertyGridDemoModel) GetValue(DemoModelProperty);
+            set => SetValue(DemoModelProperty, value);
         }
     }
 }