assets/samples/Samples/DockableDialogs/CS/MainPage/MainPage.xaml

<Page x:Class="Revit.SDK.Samples.DockableDialogs.CS.MainPage"
        xmlns:scm="clr-namespace:System.ComponentModel;assembly=WindowsBase"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:dat="clr-namespace:System.Windows.Data;assembly=PresentationFramework"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:Revit.SDK.Samples.DockableDialogs.CS"
        xmlns:System="clr-namespace:System;assembly=mscorlib"
        Title="Dockable Dialogs"  Height="500" Width="200"
        x:Name="DockableDialogs"  Background="LightGray" >

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"></RowDefinition>
            <RowDefinition></RowDefinition>
           <RowDefinition></RowDefinition>
      </Grid.RowDefinitions>
        
        <Grid.ColumnDefinitions>
   
        </Grid.ColumnDefinitions>
        <Label Grid.Row="0">Log</Label>
        <StackPanel Grid.Row="0">
            <Button Name="btn_stats" Click="PaneInfoButton_Click">This Pane's dock info...</Button>
            <Button Name="btn_wpf_stats" Click="wpf_stats_Click">This Pane's WPF Info</Button>
         <Button Name="btn_getById" Click="btn_getById_Click">Get info of Pane...</Button>
         <Button Name="btn_listTabs" Click="btn_listTabs_Click">List tabs...</Button>
      </StackPanel>

        <TextBox Name="tb_output" Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="3" VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Visible"></TextBox>
      
    </Grid>

</Page>