EgtWPFLib5/MachGroupPanel/MachGroupPanelV.xaml

<EgtFloating:EgtFloatingPanel x:Class="EgtMachGroupPanelV"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:EgtWPFLib5="clr-namespace:EgtWPFLib5"
   xmlns:EgtFloating="clr-namespace:EgtWPFLib5.EgtFloating"
   Visibility="{Binding MachGroupPanel_Visibility}">

   <EgtFloating:EgtFloatingPanel.Resources>
      <SolidColorBrush x:Key="ListBox.Static.Background" Color="#FFFFFFFF"/>
      <SolidColorBrush x:Key="ListBox.Static.Border" Color="#FFABADB3"/>
      <SolidColorBrush x:Key="ListBox.Disabled.Background" Color="#FFFFFFFF"/>
      <SolidColorBrush x:Key="ListBox.Disabled.Border" Color="#FFD9D9D9"/>
      <Style x:Key="MachiningGroupListBox" TargetType="{x:Type ListBox}">
         <Setter Property="Background" Value="Transparent"/>
         <Setter Property="BorderBrush" Value="Transparent"/>
         <Setter Property="BorderThickness" Value="0"/>
         <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
         <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
         <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Hidden"/>
         <Setter Property="ScrollViewer.CanContentScroll" Value="False"/>
         <Setter Property="ScrollViewer.PanningMode" Value="Both"/>
         <Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
      </Style>
   </EgtFloating:EgtFloatingPanel.Resources>
   
   <Grid>
      <Grid.ColumnDefinitions>
         <ColumnDefinition Width="1*"/>
         <ColumnDefinition Width="Auto"/>
         <ColumnDefinition Width="Auto"/>
      </Grid.ColumnDefinitions>

      <ListBox ItemsSource="{Binding MachGroupList}" SelectedItem="{Binding SelectedMachGroup}"
               Style="{StaticResource MachiningGroupListBox}">
         <ListBox.ItemsPanel>
            <ItemsPanelTemplate>
               <VirtualizingStackPanel IsItemsHost="True" Orientation="Horizontal"/>
            </ItemsPanelTemplate>
         </ListBox.ItemsPanel>
         <ListBox.ItemContainerStyle>
            <Style TargetType="ListBoxItem">
               <Setter Property="IsEnabled" Value="{Binding IsEnabled}"/>
               <Setter Property="Template">
                  <Setter.Value>
                     <ControlTemplate TargetType="ListBoxItem">
                        <ContentPresenter/>
                     </ControlTemplate>
                  </Setter.Value>
               </Setter>
            </Style>
         </ListBox.ItemContainerStyle>
         <ListBox.ItemTemplate>
            <DataTemplate>
               <RadioButton GroupName="MachiningGroups"
                  Height="30" MaxWidth="150" Padding="5,0,5,0"
                  ToolTip="{Binding MachGroupToolTip}"
                  Style="{Binding MachGroupButtonStyle,RelativeSource={RelativeSource AncestorType={x:Type EgtFloating:EgtFloatingPanel}}}"
                  IsChecked="{Binding Path=IsSelected,
                                      RelativeSource={RelativeSource AncestorType={x:Type ListBoxItem}},
                                                      Mode=TwoWay}"
                  IsEnabled="{Binding IsEnabled}">
                  <RadioButton.Content>
                     <TextBlock Text="{Binding Name}"/>
                  </RadioButton.Content>
                  
               </RadioButton>
            </DataTemplate>
         </ListBox.ItemTemplate>
         <ListBox.Template>
            <ControlTemplate TargetType="{x:Type ListBox}">
               <Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="0" SnapsToDevicePixels="true">
                  <EgtWPFLib5:EgtScrollViewer IsPageSlideCommand="True" Focusable="false" Padding="{TemplateBinding Padding}" IsCustom="True" Orientation="Horizontal" RepeatButtonDimension="20"
                     RepeatButtonStyle="{Binding RepaetButtonStyle,RelativeSource={RelativeSource AncestorType={x:Type EgtFloating:EgtFloatingPanel}}}">
                     <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                  </EgtWPFLib5:EgtScrollViewer>
               </Border>
               <ControlTemplate.Triggers>
                  <Trigger Property="IsEnabled" Value="false">
                     <Setter Property="Background" TargetName="Bd" Value="{StaticResource ListBox.Disabled.Background}"/>
                     <Setter Property="BorderBrush" TargetName="Bd" Value="{StaticResource ListBox.Disabled.Border}"/>
                  </Trigger>
                  <MultiTrigger>
                     <MultiTrigger.Conditions>
                        <Condition Property="IsGrouping" Value="true"/>
                        <!--<Condition Property="VirtualizingPanel.IsVirtualizingWhenGrouping" Value="false"/>-->
                     </MultiTrigger.Conditions>
                     <Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
                  </MultiTrigger>
               </ControlTemplate.Triggers>
            </ControlTemplate>
         </ListBox.Template>
      </ListBox>

      <Button Content="+" Height="20" Width="20" VerticalAlignment="Center" Focusable="False"
              Margin="3,0,5,0" Command="{Binding AddMachGroupCommand}" Grid.Column="1"
              IsEnabled="{Binding IsEnabledAddRemove}"/>
      <Button Content="-" Height="20" Width="20" VerticalAlignment="Center" Focusable="False"
              Margin="0,0,5,0" Command="{Binding RemoveMachGroupCommand}" Grid.Column="2"
              IsEnabled="{Binding IsEnabledAddRemove}"/>

   </Grid>

</EgtFloating:EgtFloatingPanel>