From 81cb4bc8d60bba7040d1bee24a44ae05566f5f25 Mon Sep 17 00:00:00 2001
From: Grant Limberg <glimberg@gmail.com>
Date: Mon, 26 Oct 2015 18:31:10 -0700
Subject: set up a timer to update the UI from a background thread

---
 windows/WinUI/MainWindow.xaml.cs | 40 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 36 insertions(+), 4 deletions(-)

diff --git a/windows/WinUI/MainWindow.xaml.cs b/windows/WinUI/MainWindow.xaml.cs
index afe6947c..4e7638b6 100644
--- a/windows/WinUI/MainWindow.xaml.cs
+++ b/windows/WinUI/MainWindow.xaml.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
+using System.Timers;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
@@ -13,6 +14,7 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
+using System.Windows.Threading;
 
 namespace WinUI
 {
@@ -25,6 +27,8 @@ namespace WinUI
         Regex charRegex = new Regex("[0-9a-fxA-FX]");
         Regex wholeStringRegex = new Regex("^[0-9a-fxA-FX]+$");
 
+        Timer timer = new Timer();
+
         public MainWindow()
         {
             InitializeComponent();
@@ -33,22 +37,50 @@ namespace WinUI
             updateNetworks();
 
             DataObject.AddPastingHandler(joinNetworkID, OnPaste);
+
+            timer.Elapsed += new ElapsedEventHandler(OnUpdateTimer);
+            timer.Interval = 2000;
+            timer.Enabled = true;
         }
 
         private void updateStatus()
         {
             var status = handler.GetStatus();
 
-            this.networkId.Content = status.Address;
-            this.versionString.Content = status.Version;
-            this.onlineStatus.Content = (status.Online ? "ONLINE" : "OFFLINE");
+            networkId.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() => 
+            { 
+                this.networkId.Content = status.Address; 
+            }));
+            versionString.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
+            {
+                this.versionString.Content = status.Version;
+            }));
+            onlineStatus.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
+            {
+                this.onlineStatus.Content = (status.Online ? "ONLINE" : "OFFLINE");
+            }));
         }
 
         private void updateNetworks()
         {
             var networks = handler.GetNetworks();
 
-            networksPage.setNetworks(networks);
+            networksPage.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
+            {
+                networksPage.setNetworks(networks);
+            }));
+        }
+
+        private void updatePeers()
+        {
+
+        }
+
+        private void OnUpdateTimer(object source, ElapsedEventArgs e)
+        {
+            updateStatus();
+            updateNetworks();
+            updatePeers();
         }
 
         private void joinButton_Click(object sender, RoutedEventArgs e)
-- 
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