diff --git a/WPF/MainWindow.xaml b/WPF/MainWindow.xaml
index 1ca86e0..a0c234c 100644
--- a/WPF/MainWindow.xaml
+++ b/WPF/MainWindow.xaml
@@ -5,8 +5,22 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:WPF"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
+        Title="MainWindow" Height="450" Width="800" MinHeight="450" MinWidth="600">
     <Grid>
-
+        
+        <Grid ShowGridLines="True">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="*"></RowDefinition>
+                <RowDefinition Height="2*"></RowDefinition>
+                <RowDefinition Height="*"></RowDefinition>
+            </Grid.RowDefinitions>
+            
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition></ColumnDefinition>
+                <ColumnDefinition></ColumnDefinition>
+                <ColumnDefinition></ColumnDefinition>
+            </Grid.ColumnDefinitions>
+        </Grid>
+        
     </Grid>
 </Window>