SharpDevelop/samples/XamlDesigner/MainWindow.xaml

<Window x:Class="ICSharpCode.XamlDesigner.MainWindow"
        x:Name="root"
        xmlns="http://schemas.microsoft.com/netfx/2007/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:sd="http://sharpdevelop.net"
        xmlns:AvalonDock="clr-namespace:AvalonDock;assembly=AvalonDock"
        xmlns:Outline="clr-namespace:ICSharpCode.WpfDesign.Designer.OutlineView;assembly=ICSharpCode.WpfDesign.Designer"
        xmlns:Designer="clr-namespace:ICSharpCode.WpfDesign.Designer;assembly=ICSharpCode.WpfDesign.Designer"
        xmlns:Default="clr-namespace:ICSharpCode.XamlDesigner"
        SnapsToDevicePixels="True"
        AllowDrop="True"
        Title="{Binding Title}">

    <DockPanel>

        <Menu DockPanel.Dock="Top">
            <MenuItem Header="File">
                <MenuItem Command="New" />
                <MenuItem Command="Open" />
                <Separator />
                <MenuItem Command="Close" />
                <MenuItem Command="Default:MainWindow.CloseAllCommand" />
                <Separator />
                <MenuItem Command="Save" />
                <MenuItem Command="SaveAs" />
                <MenuItem Command="Default:MainWindow.SaveAllCommand" />
                <Separator />
                <MenuItem Header="Recent Files"
                          ItemsSource="{Binding RecentFiles}"
                          IsEnabled="{Binding RecentFiles.Count, Converter={StaticResource FalseWhenZero}}"
                          Click="RecentFiles_Click" />
                <Separator />
                <MenuItem Command="Default:MainWindow.ExitCommand" />
            </MenuItem>
            <MenuItem Header="Edit">
                <MenuItem Command="Undo" />
                <MenuItem Command="Redo" />
                <Separator />
                <MenuItem Command="Cut" />
                <MenuItem Command="Copy" />
                <MenuItem Command="Paste" />
                <MenuItem Command="Delete" />
                <MenuItem Command="SelectAll" />
                <Separator />
                <MenuItem Command="Default:MainWindow.RefreshCommand" />
                <MenuItem Command="Find" />
            </MenuItem>
        </Menu>

        <AvalonDock:DockingManager x:Name="uxDockingManager">
            <AvalonDock:ResizingPanel>

                <AvalonDock:DocumentPane x:Name="uxDocumentPane"
                                         SelectedValue="{Binding CurrentDocument}"
                                         SelectedValuePath="DataContext" />

                <AvalonDock:DockablePane>
                    <AvalonDock:DockableContent x:Name="content1"
                                                Title="Toolbox">
                        <Designer:Toolbox x:Name="uxToolbox"
                                          Context="{Binding CurrentDocument.Context}" />
                    </AvalonDock:DockableContent>
                </AvalonDock:DockablePane>

                <AvalonDock:DockablePane>
                    <AvalonDock:DockableContent x:Name="content2"
                                                Title="Outline">
                        <Outline:Outline Context="{Binding CurrentDocument.Context}" />
                    </AvalonDock:DockableContent>
                </AvalonDock:DockablePane>

                <AvalonDock:DockablePane>
                    <AvalonDock:DockableContent x:Name="content3"
                                                Title="Errors">
                        <Default:ErrorListView ItemsSource="{Binding CurrentDocument.Context.Document.Errors}" />
                    </AvalonDock:DockableContent>
                </AvalonDock:DockablePane>

                <AvalonDock:DockablePane>
                    <AvalonDock:DockableContent x:Name="content4"
                                                Title="Properties">
                        <sd:PropertyGridView x:Name="uxPropertyGridView"
                                             Context="{Binding CurrentDocument.Context}" />
                    </AvalonDock:DockableContent>
                </AvalonDock:DockablePane>

            </AvalonDock:ResizingPanel>
        </AvalonDock:DockingManager>
    </DockPanel>
</Window>