diff --git a/Code/IHM/App.xaml b/Code/IHM/App.xaml
index 373f0ad..cc26ef2 100644
--- a/Code/IHM/App.xaml
+++ b/Code/IHM/App.xaml
@@ -4,6 +4,15 @@
              xmlns:local="clr-namespace:IHM"
              StartupUri="MainWindow.xaml">
     <Application.Resources>
+        <Style x:Key="BorderRessource" TargetType="Border">
+            <Setter Property="BorderBrush" Value="Black"/>
+            <Setter Property="BorderThickness" Value="2"/>
+        </Style>
+
+        <Style x:Key="TextBlockRessource" TargetType="TextBlock">
+            <Setter Property="HorizontalAlignment" Value="Center"/>
+            <Setter Property=""
+        </Style>
          
     </Application.Resources>
 </Application>
diff --git a/Code/IHM/App.xaml.cs b/Code/IHM/App.xaml.cs
index aff7815..16ddde8 100644
--- a/Code/IHM/App.xaml.cs
+++ b/Code/IHM/App.xaml.cs
@@ -13,5 +13,6 @@ namespace IHM
     /// </summary>
     public partial class App : Application
     {
+        public Navigator Navigator { get; private set; } = new Navigator();
     }
 }
diff --git a/Code/IHM/MainWindow.xaml.cs b/Code/IHM/MainWindow.xaml.cs
index 9ea40a2..caea0bd 100644
--- a/Code/IHM/MainWindow.xaml.cs
+++ b/Code/IHM/MainWindow.xaml.cs
@@ -20,9 +20,11 @@ namespace IHM
     /// </summary>
     public partial class MainWindow : Window
     {
+        public Navigator Nav => (App.Current as App).Navigator;
         public MainWindow()
         {
             InitializeComponent();
+            DataContext = this;
         }
     }
 }
diff --git a/Code/IHM/Navigator.cs b/Code/IHM/Navigator.cs
index fa741ef..7f11aeb 100644
--- a/Code/IHM/Navigator.cs
+++ b/Code/IHM/Navigator.cs
@@ -18,6 +18,8 @@ namespace IHM
         public const string PART_PLANNIFICATION = "Plannification";
         public const string PART_STATISTIQUE = "Statistique";
 
+        public const string PART_CONNEXION = "Connexion";
+
         public ReadOnlyDictionary<string, Func<UserControl>> WindowPart { get; private set; }
 
         Dictionary<string, Func<UserControl>> windowPart { get; set; } = new Dictionary<string, Func<UserControl>>
@@ -29,11 +31,19 @@ namespace IHM
             // [PART_STATISTIQUE] = () => new UCStatistique(),
         };
 
+        public ReadOnlyDictionary<string, Func<UserControl>> WindowMain { get; private set; }
+
+        Dictionary<string, Func<UserControl>> windowMain { get; set; } = new Dictionary<string, Func<UserControl>>
+        {
+            [PART_CONNEXION] = () => new UCConnexion(),
+        };
+
         public Navigator()
         {
             WindowPart = new ReadOnlyDictionary<string, Func<UserControl>>(windowPart);
+            WindowMain = new ReadOnlyDictionary<string, Func<UserControl>>(windowMain);
 
-            SelectedUserControlCreator = windowPart.First();
+            SelectedUserControlCreator = windowMain.First();
         }
 
         public KeyValuePair<string, Func<UserControl>> SelectedUserControlCreator
diff --git a/Code/IHM/UCConnexion.xaml b/Code/IHM/UCConnexion.xaml
new file mode 100644
index 0000000..ce01666
--- /dev/null
+++ b/Code/IHM/UCConnexion.xaml
@@ -0,0 +1,15 @@
+<UserControl x:Class="IHM.UCConnexion"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:IHM"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <DockPanel Background="#F2C98C">
+        <Border DockPanel.Dock="Top" Style="{StaticResource BorderRessource} ">
+            <Border.Background>White</Border.Background>
+            <TextBlock Text="Login"/>
+        </Border>
+    </DockPanel>
+</UserControl>
diff --git a/Code/IHM/UCConnexion.xaml.cs b/Code/IHM/UCConnexion.xaml.cs
new file mode 100644
index 0000000..f671cc7
--- /dev/null
+++ b/Code/IHM/UCConnexion.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+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.Navigation;
+using System.Windows.Shapes;
+
+namespace IHM
+{
+    /// <summary>
+    /// Logique d'interaction pour UCConnexion.xaml
+    /// </summary>
+    public partial class UCConnexion : UserControl
+    {
+        public UCConnexion()
+        {
+            InitializeComponent();
+        }
+    }
+}