Che0,
для этого всего лишь нужно переопределить шаблон TreeViewItem
вот простейший пример, все элементы этого дерева находят на одном расстоянии от левой стороны
View:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
<Style x:Key="TreeViewItemStyle" TargetType="{x:Type TreeViewItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TreeViewItem}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="24"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<ToggleButton Height="16" Width="16"
Grid.Column="0" Grid.Row="0"
IsChecked="{TemplateBinding IsExpanded}" />
<ContentPresenter x:Name="PART_Header"
ContentSource="Header"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
Grid.Column="1" Grid.Row="0"/>
<ItemsPresenter x:Name="ItemsHost"
Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="1"
Visibility="Collapsed"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsExpanded" Value="True">
<Setter TargetName="ItemsHost" Property="Visibility" Value="Visible"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="TreeViewStyle" TargetType="{x:Type TreeView}">
<Setter Property="ItemContainerStyle" Value="{StaticResource ResourceKey=TreeViewItemStyle}"/>
</Style>
</Window.Resources>
<TreeView Style="{StaticResource TreeViewStyle}"
ItemsSource="{Binding Root}">
<TreeView.ItemTemplate>
<HierarchicalDataTemplate DataType="{x:Type wpfApplication1:Person}"
ItemsSource="{Binding Children}">
<TextBlock Text="{Binding Name}"/>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>
</TreeView>
ViewModel:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
public class Person
{
public Person()
{
Children = new List<Person>();
}
public string Name { set; get; }
public List<Person> Children { set; get; }
}
public class ViewModel : INotifyPropertyChanged
{
public ViewModel()
{
Root = new List<Person>
{
new Person
{
Name = "Roman",
Children = {new Person {Name = "Olga"} , new Person { Name="Sofia"} }
},
new Person
{
Name = "Anatoliy",
Children = { new Person { Name = "Ivan"}, new Person {Name = "Alexey"}}
}
};
}
public List<Person> Root { set; get; }
}
