TrayIconControl is a hidden window launched by default that hosts the tray icon and stores viewmodel state for the MainWindow.

WifiSitterGui/App.xaml

@@ -2,7 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:WifiSitterGui"
-             StartupUri="MainWindow.xaml">
+             StartupUri="TrayIconControl.xaml">
     <Application.Resources>
          
     </Application.Resources>

WifiSitterGui/MainWindow.xaml

@@ -6,13 +6,8 @@
         xmlns:local="clr-namespace:WifiSitterGui"
         xmlns:tb="http://www.hardcodet.net/taskbar"
         mc:Ignorable="d"
-        Title="MainWindow" Height="350" Width="525">
+        Title="WifiSitter Config" Height="350" Width="525">
     <Grid>
-        <tb:TaskbarIcon
-          IconSource="pack://application:,,,/wifisitter-icon.ico"
-          ToolTipText="hello world" />
-        
-        
         
     </Grid>
 </Window>

WifiSitterGui/MainWindowViewModel.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace WifiSitterGui
+{
+    class MainWindowViewModel : MvvmObservable
+    {
+        #region fields
+        #endregion  // fields
+
+        #region constructor
+
+        public MainWindowViewModel () {
+
+        }
+
+        #endregion  // constructor
+
+        #region properties
+        #endregion  // properties
+
+        #region methods
+        #endregion  // methods
+
+        #region eventhandlers
+        #endregion  // methods
+    }
+}

WifiSitterGui/MvvmObservable.cs

@@ -0,0 +1,32 @@
+using System.ComponentModel;
+
+namespace WifiSitterGui
+{
+    public class MvvmObservable : INotifyPropertyChanged, INotifyPropertyChanging
+    {
+        #region INotifyPropertyChanging Members
+
+        public event PropertyChangingEventHandler PropertyChanging;
+
+        internal virtual void OnPropertyChanging(string propertyName) {
+            PropertyChangingEventHandler handler = this.PropertyChanging;
+            if (handler != null)
+                handler(this, new PropertyChangingEventArgs(propertyName));
+        }
+
+        #endregion // INotifyPropertyChanging Members
+
+
+        #region INotifyPropertyChanged Members
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        internal virtual void OnPropertyChanged(string propertyName) {
+            PropertyChangedEventHandler handler = this.PropertyChanged;
+            if (handler != null)
+                handler(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        #endregion // INotifyPropertyChanged Members
+    }
+}

WifiSitterGui/TrayIconControl.xaml

@@ -0,0 +1,25 @@
+<Window x:Class="WifiSitterGui.TrayIconControl"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:WifiSitterGui"
+        xmlns:tb="http://www.hardcodet.net/taskbar"
+        Visibility="Hidden"
+        mc:Ignorable="d"
+        Title="TrayIconControl" Height="300" Width="300">
+    <Grid>
+        
+        <tb:TaskbarIcon
+          IconSource="pack://application:,,,/wifisitter-icon.ico"
+          ToolTipText="hello world" >
+            <tb:TaskbarIcon.ContextMenu>
+                <ContextMenu>
+                    <MenuItem Header="Pause for 5 minutes" 
+                              ToolTip="Restores interfaces to original status."/>
+                </ContextMenu>
+            </tb:TaskbarIcon.ContextMenu>
+        </tb:TaskbarIcon>
+
+    </Grid>
+</Window>

WifiSitterGui/TrayIconControl.xaml.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace WifiSitterGui
+{
+    /// <summary>
+    /// Interaction logic for TrayIconControl.xaml
+    /// </summary>
+    public partial class TrayIconControl : Window
+    {
+        private MainWindowViewModel _windowVm;
+
+        public TrayIconControl() {
+            InitializeComponent();
+
+            _windowVm = new MainWindowViewModel();
+
+            var statusGui = new MainWindow();
+            statusGui.DataContext = _windowVm;
+            statusGui.Show();
+        }
+    }
+}

WifiSitterGui/WifiSitterGui.csproj

@@ -54,6 +54,9 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="TrayIconControl.xaml.cs">
+      <DependentUpon>TrayIconControl.xaml</DependentUpon>
+    </Compile>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -66,8 +69,14 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="TrayIconControl.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="MainWindowViewModel.cs" />
+    <Compile Include="MvvmObservable.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>