Added ConnectionFailedMessage, Placeholder for Username,Chat,ChatsList

PolyChat/Views/ConnectionFailedDialog.xaml.cs

@@ -0,0 +1,26 @@
+using PolyChat.Models;
+using PolyChat.Util;
+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+using Windows.UI.Popups;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+
+// The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
+
+namespace PolyChat.Views
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class ConnectionFailedDialog : ContentDialog
+    {
+        public ConnectionFailedDialog(string message)
+        {
+            this.InitializeComponent();
+            textError.Text = message;
+        }
+    }
+}