add WPF example

PocketSharp.Examples/PocketSharp.Wpf/MainWindow.xaml.cs

@@ -0,0 +1,64 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Collections.Generic;
+using System;
+
+namespace PocketSharp.Wpf
+{
+  /// <summary>
+  /// Interaction logic for MainWindow.xaml
+  /// </summary>
+  public partial class MainWindow : Window
+  {
+    ObservableCollection<Site> _Sites = new ObservableCollection<Site>();
+
+    public ObservableCollection<Site> Sites { get { return _Sites; } }
+
+    public class Site
+    {
+      public string Url { get; set; }
+      public string Content { get; set; }
+    }
+
+
+    public MainWindow()
+    {
+      InitializeComponent();
+    }
+
+
+    private async void Button_Click(object sender, RoutedEventArgs e)
+    {
+      // User: pocketsharp-tests
+      // PW:   pocketsharp
+      // !! please don't misuse this account !!
+      PocketClient client = new PocketClient(
+        consumerKey: "15396-f6f92101d72c8e270a6c9bb3",
+        callbackUri: "http://frontendplay.com",
+        accessCode: "2c62cd50-b78a-5558-918b-65adae"
+      );
+
+      List<PocketSharp.Models.PocketItem> items = null;
+
+      try
+      {
+        items = await client.Retrieve();
+
+        items.ForEach(item =>
+        {
+          Sites.Add(new Site()
+          {
+            Content = item.Title,
+            Url = item.Uri.ToString()
+          });
+        });
+      }
+      catch (PocketException ex)
+      {
+        Debug.Write(ex.Message);
+      }
+    }
+  }
+}