<TreeView x:Name="treeParameter"

                     Width="" MinHeight=""

              Margin="11,6,11,6"

              ItemsSource="{Binding ItemSource}">

                    <TreeView.ItemContainerStyle>

                        <Style TargetType="{x:Type TreeViewItem}">

                            <Setter Property="IsSelected" Value="{Binding IsSelected, Mode=TwoWay}" />

                            <Setter Property="FontWeight" Value="Normal" />

                            <Setter Property="Foreground" Value="#0c223a"></Setter>

                            <Setter Property="FontSize" Value=""></Setter>

                            <Setter Property="FontFamily" Value="Arial"></Setter>

                            <Setter Property="Margin" Value="0,3,0,3"></Setter>

                            <Setter Property="Background" Value="Transparent"></Setter>

                            <Style.Triggers>

                                <Trigger Property="IsSelected" Value="True">

                                    <Setter Property="FontWeight" Value="Bold" />

                                </Trigger>

                            </Style.Triggers>

                        </Style>

                    </TreeView.ItemContainerStyle>

                    <Event:Interaction.Triggers>

                        <Event:EventTrigger EventName="SelectedItemChanged" SourceName="treeParameter">

                            <Event:InvokeCommandAction Command="{Binding SelectedChangedCommand}"

                                               CommandParameter="{Binding ElementName=treeParameter,Path=SelectedItem}">

                            </Event:InvokeCommandAction>

                        </Event:EventTrigger>

                    </Event:Interaction.Triggers>

                    <TreeView.ItemTemplate>

                        <HierarchicalDataTemplate ItemsSource="{Binding ChildNodes,Mode=TwoWay}">

                            <TextBlock Text="{Binding ParameterName, Mode=TwoWay}" />

                        </HierarchicalDataTemplate>

                    </TreeView.ItemTemplate>

                </TreeView>