navigation menu & design

TV Player WPF/ProgramsGroupGrid.xaml

@@ -2,20 +2,23 @@
              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:TV_Player"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:tv_player="clr-namespace:TV_Player"
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="800">
     <Grid x:Name="groupsGrid">
         <ScrollViewer>
-            <ListBox ItemsSource="{Binding Programs}"
-                SelectionMode="Single"
-                            SelectedItem="{Binding SelectedItem}"
+            <ListBox ItemsSource="{Binding Programs}" Background="Transparent"
+                     SelectionMode="Single"
+                     SelectedItem="{Binding SelectedItem}"
                      SelectionChanged="ListBox_SelectionChanged">
-
+                <ListBox.ItemsPanel>
+                    <ItemsPanelTemplate>
+                        <UniformGrid Rows="4" />
+                    </ItemsPanelTemplate>
+                </ListBox.ItemsPanel>
                 <ListBox.ItemTemplate>
                     <DataTemplate>
-                        <TextBlock Text="{Binding Name}"/>
+                        <tv_player:GroupButton Style="{DynamicResource GroupButton}" GroupName="{Binding Name}" ProgramsCount="{Binding Count}"/>
                     </DataTemplate>
                 </ListBox.ItemTemplate>
             </ListBox>