added stop button in UI

ADIS_Csharp/RobotClientWpf/Views/MainView.xaml

@@ -12,7 +12,7 @@
             <ColumnDefinition Width="200"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
-            <RowDefinition Height="150"/>
+            <RowDefinition Height="200"/>
             <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
 
@@ -45,6 +45,7 @@
                         <ColumnDefinition Width="*"/>
                     </Grid.ColumnDefinitions>
                     <Grid.RowDefinitions>
+                        <RowDefinition Height="*"/>
                         <RowDefinition Height="*"/>
                         <RowDefinition Height="*"/>
                         <RowDefinition Height="25"/>
@@ -79,8 +80,9 @@
                             </Image.Source>
                         </Image>
                     </Button>
-                    <Label Grid.Row="2" Grid.ColumnSpan="3" FontWeight="Bold" FontSize="12" Margin="5 0">Control with Arrow keys</Label>
-                    <Label Grid.Row="3" Grid.ColumnSpan="3" FontWeight="Bold" FontSize="12" Margin="5 0">Stop with End key</Label>
+                    <Button Grid.Row="2" Grid.ColumnSpan="3" x:Name="btnStopMove" Content="Stop" Margin="5" Click="btnStopMove_Click"/>
+                    <Label Grid.Row="3" Grid.ColumnSpan="3" FontWeight="Bold" FontSize="12" Margin="5 0">Control with Arrow keys</Label>
+                    <Label Grid.Row="4" Grid.ColumnSpan="3" FontWeight="Bold" FontSize="12" Margin="5 0">Stop with End key</Label>
                 </Grid>
             </GroupBox>
         </DockPanel>

ADIS_Csharp/RobotClientWpf/Views/MainView.xaml.cs

@@ -68,6 +68,11 @@ namespace RobotClientWpf.Views
             this.challenge?.RobotMobile.Movement.Turn(-TURN_ANGLE_PER_CLICK);
         }
 
+        private void btnStopMove_Click(object sender, System.Windows.RoutedEventArgs e)
+        {
+            this.challenge?.RobotMobile.Movement.Stop();
+        }
+
         public void HandleKeyDownEvent(object sender, KeyEventArgs e)
         {
             if (e.Key == Key.Up)