update to v1.3.4

1. add datagrid style
2. improve the numericupdown
3. add checkbox style
4. add listbox demo
5. add treeview demo
6. add border demo
7. remove angle property of iconelement
8. add menu demo

HandyControlDemo/Data/MessageToken.cs

@@ -30,6 +30,8 @@
 
         public static readonly string NumericUpDownDemoCtl = nameof(NumericUpDownDemoCtl);
 
+        public static readonly string WindowDemoCtl = nameof(WindowDemoCtl);
+
         public static readonly string ButtonDemoCtl = nameof(ButtonDemoCtl);
 
         public static readonly string ToggleButtonDemoCtl = nameof(ToggleButtonDemoCtl);
@@ -54,6 +56,18 @@
 
         public static readonly string NaiveTabControlDemoCtl = nameof(NaiveTabControlDemoCtl);
 
+        public static readonly string DataGridDemoCtl = nameof(DataGridDemoCtl);
+
+        public static readonly string CheckBoxDemoCtl = nameof(CheckBoxDemoCtl);
+
+        public static readonly string ListBoxDemoCtl = nameof(ListBoxDemoCtl);
+
+        public static readonly string MenuDemoCtl = nameof(MenuDemoCtl);
+
+        public static readonly string TreeViewDemoCtl = nameof(TreeViewDemoCtl);
+
+        public static readonly string BorderDemoCtl = nameof(BorderDemoCtl);
+
     	public static readonly string LoadShowContent = nameof(LoadShowContent);
 	}
 }