xaml-sdk/Docking/SplitContainerDockState/Example.xaml

<UserControl x:Class="SplitContainerDockState.Example"
             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:telerik="http://schemas.telerik.com/2008/xaml/presentation"
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="800">
    <UserControl.Resources>
        <telerik:InvertedBooleanConverter x:Key="InvertedBooleanConverter"/>
    </UserControl.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="Auto"/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>
            <TextBlock Text="This example demonstrates how to get the DockState of a SplitContainer. The DockState is an enumeration that represents the state of a SplitContainer compared to the root of the RadDocking." 
                       TextWrapping="Wrap" Width="400" FontWeight="Bold" Margin="20"
                       Grid.Row="0" Grid.Column="0" Grid.RowSpan="2"/>
            <telerik:RadButton Content="Show 'Pane 1' DockState" Click="ShowPane1DockStateClick" Margin="10" VerticalAlignment="Center" HorizontalAlignment="Center" Grid.Row="0" Grid.Column="1" IsEnabled="{Binding ElementName=pane1, Path=IsFloating, Converter={StaticResource InvertedBooleanConverter}}"/>
            <telerik:RadButton Content="Show 'Pane 2' DockState" Click="ShowPane2DockStateClick" Margin="10 0 10 10" VerticalAlignment="Center" HorizontalAlignment="Center" Grid.Row="1" Grid.Column="1" IsEnabled="{Binding ElementName=pane2, Path=IsFloating, Converter={StaticResource InvertedBooleanConverter}}"/>
        </Grid>

        <telerik:RadDocking Grid.Row="1">
            <telerik:RadSplitContainer>
                <telerik:RadPaneGroup>
                    <telerik:RadPane Header="Pane 1" x:Name="pane1" CanUserPin="False">
                        <TextBlock Text="Pane 1 Content" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                    </telerik:RadPane>
                </telerik:RadPaneGroup>
            </telerik:RadSplitContainer>

            <telerik:RadSplitContainer InitialPosition="DockedRight">
                <telerik:RadPaneGroup>
                    <telerik:RadPane Header="Pane 2" x:Name="pane2" CanUserPin="False">
                        <TextBlock Text="Pane 2 Content" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                    </telerik:RadPane>
                </telerik:RadPaneGroup>
            </telerik:RadSplitContainer>
        </telerik:RadDocking>
    </Grid>
</UserControl>