RevitSdkSamples/SDK/Structural Analysis SDK/Examples/ExtensibleStorageUI/MainLayout.xaml

<UserControl x:Class="ExtensibleStorageUI.MainLayout"
             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"
             mc:Ignorable="d" d:DesignHeight="900" d:DesignWidth="450">
    <Grid>
        <TabControl Name="RevitAttributeTestApp" SelectedIndex="0">
            <TabItem Name="tabTextBox" Header="TextBox"></TabItem>
            <TabItem Header="ComboBox" Name="tabComboBox"></TabItem>
            <TabItem Header="NumericUpDown" Name="tabNumericUpDown"></TabItem>
            <TabItem Header="Enum" Name="tabEnum"></TabItem>
            <TabItem Header="List" Name="tabList"></TabItem>
            <TabItem Header="List TextBox" Name="tabListTextBox"></TabItem>
            <TabItem Header="Category" Name="tabCategory"></TabItem>
            <TabItem Name="tabGrid" Header="Grid"></TabItem>
            <TabItem Name="tabKey" Header="Key"></TabItem>
            <TabItem Name="tabMiscellanious" Header="Miscellanious"></TabItem>
        </TabControl>
    </Grid>
</UserControl>