<Grid Grid.Row="2">
    <TabControl VerticalAlignment="Stretch" Grid.RowSpan="2" BorderBrush="White">
        <TabItem Header="СТРУКТУРА">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition />
                </Grid.RowDefinitions>
                <StackPanel Grid.Row="0" Orientation="Horizontal" Background="{Binding ElementName=TabPanel, Path=Background}">
                    <Button x:Name="AddNN" Template="{StaticResource AddNNButton}" />
                    <Button x:Name="DeleteSelectedN" Template="{StaticResource DeleteButton}" />
                </StackPanel>
                <TreeView x:Name="Nodes" Grid.Row="1" cal:Message.Attach="[Event MouseDoubleClick] = [Action EditN($this)]" BorderBrush="#FFDDDDDD">
                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}">
                            <Setter Property="IsSelected" Value="{Binding IsSelected, Mode=TwoWay}" />
                        </Style>
                    </TreeView.ItemContainerStyle>
                    <TreeView.ItemTemplateSelector>
                        <behaviors:StructureNodesTemplateSelector>
                            <behaviors:StructureNodesTemplateSelector.ETemplate>
                                <HierarchicalDataTemplate ItemsSource="{Binding Path=Nodes}">
                                    <StackPanel Orientation="Horizontal" cal:Message.Attach="[Event MouseLeftButtonDown] = [Action SelectSig1($dataContext)]" Tag="{Binding DataContext, ElementName=Sig1}">
                                        <StackPanel.ContextMenu>
                                            <ContextMenu cal:Action.TargetWithoutContext="{Binding Path=PlacementTarget.Tag, RelativeSource={RelativeSource Self}}">
                                                <MenuItem Header="Редактировать" cal:Message.Attach="[Event Click] = [Action Edit1($dataContext)]" />
                                                <MenuItem Header="Добавить параметр" cal:Message.Attach="[Event Click] = [Action Edit2($dataContext)]" />
                                                <MenuItem Header="Добавить описание" cal:Message.Attach="[Event Click] = [Action Edit3($dataContext)]" />
                                            </ContextMenu>
                                        </StackPanel.ContextMenu>
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                                        </Canvas>
                                        <TextBlock Text="{Binding Name}" Margin="2"  />
                                    </StackPanel>
                                </HierarchicalDataTemplate>
                            </behaviors:StructureNodesTemplateSelector.ETemplate>
                            <behaviors:StructureNodesTemplateSelector.ParameterTemplate>
                                <HierarchicalDataTemplate ItemsSource="{Binding Path=Nodes}">
                                    <StackPanel Orientation="Horizontal" Tag="{Binding DataContext, ElementName=Sig1}">
                                        <StackPanel.ContextMenu>
                                            <ContextMenu cal:Action.TargetWithoutContext="{Binding Path=PlacementTarget.Tag, RelativeSource={RelativeSource Self}}">
                                                <MenuItem Header="Редактировать" cal:Message.Attach="[Event Click] = [Action Edit4($dataContext)]" />
                                            </ContextMenu>
                                        </StackPanel.ContextMenu>
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                                        </Canvas>
                                        <TextBlock Text="{Binding Name}" Margin="2" />
                                        <Canvas Width="10" Height="12" Clip="F1 M 0,0L 76,0L 76,76L 0,76L 0,0">
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                                        </Canvas>
                                    </StackPanel>
                                </HierarchicalDataTemplate>
                            </behaviors:StructureNodesTemplateSelector.ParameterTemplate>
                        </behaviors:StructureNodesTemplateSelector>
                    </TreeView.ItemTemplateSelector>
                </TreeView>
            </Grid>
        </TabItem>
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition />
                </Grid.RowDefinitions>
                <StackPanel Grid.Row="0" Orientation="Horizontal"
                Background="{Binding ElementName=TabPanel, Path=Background}">
                    <Button x:Name="EditPortret" Template="{StaticResource AddNewNodeButton}" />
                    <Button x:Name="DeleteSelectedPortret" Template="{StaticResource DeleteButton}" />
                </StackPanel>
                <TreeView x:Name="Portraits" Grid.Row="1" BorderBrush="#FFDDDDDD">
                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}">
                            <Setter Property="IsSelected" Value="{Binding IsSelected, Mode=TwoWay}" />
                        </Style>
                    </TreeView.ItemContainerStyle>
                    <TreeView.ItemTemplateSelector>
                        <behaviors:StructureNodesTemplateSelector>
                            <behaviors:StructureNodesTemplateSelector.DiagnosticPortrait>
                                <HierarchicalDataTemplate ItemsSource="{Binding Path=Nodes}">
                                    <StackPanel Orientation="Horizontal" Tag="{Binding DataContext, ElementName=Portraits}">
                                        <StackPanel.ContextMenu>
                                            <ContextMenu
                                    cal:Action.TargetWithoutContext="{Binding Path=PlacementTarget.Tag, RelativeSource={RelativeSource Self}}">
                                                <MenuItem Header="Редактировать"
                                              cal:Message.Attach="[Event Click] = [Action EditPortret($dataContext)]" />
                                            </ContextMenu>
                                        </StackPanel.ContextMenu>
                                        <TextBlock Text="{Binding Name}" Margin="2" />
                                    </StackPanel>
                                </HierarchicalDataTemplate>
                            </behaviors:StructureNodesTemplateSelector.DiagnosticPortrait>
                        </behaviors:StructureNodesTemplateSelector>
                    </TreeView.ItemTemplateSelector>
                </TreeView>
            </Grid>
        </TabItem>
    </TabControl>
</Grid>