MainWindow.xaml

<Window x:Class="Showcase.WPF.DragDrop.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:views="clr-namespace:Showcase.WPF.DragDrop.Views"
        xmlns:viewModels="clr-namespace:Showcase.WPF.DragDrop.ViewModels"
        mc:Ignorable="d"
        d:DataContext="{d:DesignInstance viewModels:MainViewModel}"
        Title="GongSolutions.WPF.DragDrop"
        Height="600" Width="900"
        WindowStartupLocation="CenterScreen">

  <Grid>

    <TabControl Style="{StaticResource ShowcaseTabControlStyle}">
      <TabItem Header="ListBox">
        <views:ListBoxSamples />
      </TabItem>
      <TabItem Header="ListView">
        <views:ListViewSamples />
      </TabItem>
      <TabItem Header="TreeView">
        <views:TreeViewSamples />
      </TabItem>
      <TabItem Header="DataGrid">
        <views:DataGridSamples />
      </TabItem>
      <TabItem Header="TabControl">
        <views:TabControlSamples />
      </TabItem>
      <TabItem Header="Mixed">
        <views:MixedSamples />
      </TabItem>
      <TabItem Header="Fixed #Issues">
        <views:Issues />
      </TabItem>
    </TabControl>

  </Grid>

</Window>