la mainWindow

WpfApp1/MainWindow.xaml

@@ -17,7 +17,7 @@
                     <ComboBoxItem Tag="Océans" x:Name="Indien" >Indien</ComboBoxItem>
                     <ComboBoxItem Tag="Océans" x:Name="Pacifique" >Pacifique</ComboBoxItem>
                 </ComboBox>
-                <TextBox DockPanel.Dock="Top" Text="Rechercher" FontFamily="{StaticResource Police1}" Foreground="{StaticResource Couleur1}" Height="25" Margin="5" x:Name="Rechercher" VerticalContentAlignment="Center" IsKeyboardFocusedChanged="TextBox_IsKeyboardFocusedChanged"/>
+                <TextBox DockPanel.Dock="Top" Text="Rechercher" FontFamily="{StaticResource Police1}" Foreground="{StaticResource Couleur1}" Height="25" Margin="5" x:Name="Rechercher" VerticalContentAlignment="Center" IsKeyboardFocusedChanged="TextBox_IsKeyboardFocusedChanged"  KeyDown="Rechercher_KeyDown"/>
                 <ListBox Background="White" x:Name="laListe">
                 </ListBox>
             </DockPanel>

WpfApp1/MainWindow.xaml.cs

@@ -28,6 +28,9 @@ namespace WpfApp1
     public partial class MainWindow : Window
     {
         public Manager Mgr => (Application.Current as App).LeManager;
+
+        public List<Requin> lReq = new List<Requin>();
+
         public MainWindow()
         {
             InitializeComponent();
@@ -49,34 +52,41 @@ namespace WpfApp1
 
 
         private void Region_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            ChangeRegion();
+        }
+
+
+        public void ChangeRegion()
         {
             if (Region.SelectedIndex == 0)
             {
                 chargerUC();
             }
-            
+
             else if (Region.SelectedIndex == 1)
             {
-                chargerUC();
+                viderListBox();
                 changerListBox(Zone.ARCTIQUE);
             }
             else if (Region.SelectedIndex == 2)
             {
-                chargerUC();
+                viderListBox();
                 changerListBox(Zone.ATLANTIQUE);
             }
             else if (Region.SelectedIndex == 3)
             {
-                chargerUC();
+                viderListBox();
                 changerListBox(Zone.INDIEN);
             }
             else if (Region.SelectedIndex == 4)
             {
-                chargerUC();
+                viderListBox();
                 changerListBox(Zone.PACIFIQUE);
             }
         }
 
+
         public void ContentControlSwapDes(Requin req)
         {
             contentControl.Content = new userControlDescription { requin = req };
@@ -104,21 +114,13 @@ namespace WpfApp1
             }
         }
 
-        public string Recherche
-        {
-            set
-            {
-                Rechercher.Text = value;
-            }
-        }
-
-
-
         public void chargerUC()
         {
+            lReq.Clear();
             viderListBox();
             foreach(Requin req in Mgr.Requins)
             {
+                lReq.Add(req);
                 laListe.Items.Add(new UserControlRequin { requin = req });
             }
         }
@@ -136,9 +138,9 @@ namespace WpfApp1
                         test++;
                     }
                 }
-                if (test == 0)
+                if (test > 0)
                 {
-                    laListe.Items.RemoveAt(i);
+                    
                 }
                 else
                 {
@@ -158,5 +160,37 @@ namespace WpfApp1
                 }
             }
         }
+
+
+        private void Rechercher_KeyDown(object sender, KeyEventArgs e)
+        {
+            
+            List<Requin> nvReq = new List<Requin>();
+            foreach (Requin requin in lReq)
+            {
+                nvReq.Add(requin);
+            }
+            int i = 0;
+            string rech = Rechercher.Text;
+            if (!string.IsNullOrWhiteSpace(rech))
+            {
+                foreach (Requin req in nvReq)
+                {
+                    if (!req.Nom.Contains(rech) && !req.NomSci.Contains(rech))
+                    {
+                        lReq.Remove(req);
+                        laListe.Items.RemoveAt(i);
+                    }
+                    else
+                    {
+                        i++;
+                    }
+                }
+            }
+            else
+            {
+                ChangeRegion();
+            }
+        }
     }
 }