Added UWP Example for Listviews

Author: alihamie

docs/xaml-tools/xaml-designtime-data.md

@@ -61,7 +61,10 @@ You can set a design-time Source for images that are bound to the page or loaded
 
 ## Design-time data for ListViews
 
-ListViews are a popular way to display data in your Desktop app. However, they're difficult to visualize without any data. You can use this feature to create an inline design-time data ItemSource. The XAML Designer displays what is in that array in your ListView at design time. This is an example for WPF .NET Core. To use the system:String type, make sure you include
+ListViews are a popular way to display data in your Desktop app. However, they're difficult to visualize without any data. You can use this feature to create an inline design-time data ItemSource or Items. The XAML Designer displays what is in that array in your ListView at design time.
+
+### WPF .NET Core  Example
+To use the system:String type, make sure you include
 `xmlns:system="clr-namespace:System;assembly=mscorlib` in your XAML header.
 
 ```xml
@@ -132,6 +135,23 @@ xmlns:models="clr-namespace:Cities.Models"
 
 The benefit here is that you can bind your controls to a design-time static version of your model.
 
+### UWP Example 
+
+x:Array is not supported in UWP. Therefore we can use `<d:ListView.Items>` instead. To use the system:String type, make sure you include
+`http://schemas.microsoft.com/winfx/2009/xaml` in your XAML header.
+
+```xml
+    <StackPanel>
+        <ListView>
+            <d:ListView.Items>
+                <system:String>Item One</system:String>
+                <system:String>Item Two</system:String>
+                <system:String>Item Three</system:String>
+            </d:ListView.Items>
+        </ListView>
+    </StackPanel>
+```
+
 ## Use design-time data with custom types and properties
 
 This feature by default works only with platform controls and properties. In this section we go over the steps needed to enable you to use your own custom controls as design-time controls, a new capability available to customers using Visual Studio 2019 version [16.8](/visualstudio/releases/2019/release-notes/) or later. There are three requirements to enable this: