hierarchicaldatatemplate

In my WPF TreeView, I have defined a HierarchicalDataTemplate . In its ItemTemplate , there is a button whose Command I need to bind to the parent ViewModel, this is the DataContext of the parent HierarchicalDataTemplate or, in other words, the ViewModel which holds the collection SubItems in the example below. The ItemTemplate s own DataContext - the SubItem - is to be used as the CommandParameter . <TreeView ItemsSource="{Binding Items}"> <TreeView.ItemTemplate> <HierarchicalDataTemplate ItemsSource="{Binding SubItems}"> <HierarchicalDataTemplate.ItemTemplate> <DataTemplate> <Button Command=

I am trying to bind a collection to wpf TreeView control using data templates. Each item(Person) in the collection also contains two different collections(Cars, Books) of type car and book. Here's simplified list of the objects involved to save space. public class Person { public string Name public List<Book> Books; public List<Car> Cars; } public class Book { public string Title public string Author } public class Car { public string Manufacturer; public string Model; } Here is how I am binding public MainWindow() { InitializeComponent(); this.treeView1.ItemsSource = this.PersonList(); }

I have a WPF TreeView with 2 levels of data and 2 HierarchicalDataTemplate to format each level. From the HierarchicalDataTemplate at the second level, I need to bind a property in the class of the first level. I have tried in this way, but it dosn't work: Text="{Binding Path=Ori, RelativeSource={RelativeSource TemplatedParent}}" with Ori as the name of the propery Even in this way it dosn't works: Text="{Binding Path=tOri, RelativeSource={RelativeSource TemplatedParent}}" with tOri as the name of the TextBlock in the fisrt HierarchicalDataTemplate that bind the Ori propery. Can you help me?

I want to implememt a tree view with has the following structure..... [RootNode] <---- Root of tree --[ParentNode P1] <---- Object of ModelClass P1 ----[ChildNode C1] <----- Object of ModelClass C1 (have children of different type as well) ----[ChildNode C2] <----- Object of ModelClass C2 (have children of different type as well) ----[ChildNode C3] <----- Object of ModelClass C3 (have children of different type as well) --[ParentNode Q1] <---- Object of ModelClass Q1 ----[ChildNode B1] <----- Object of ModelClass B1 (have children of different type as well) ----[ChildNode B2] <----- Object of

I have a data-bound TreeView and I want to bind SelectedItem . This attached behavior works perfectly without HierarchicalDataTemplate but with it the attached behavior only works one way (UI to data) not the other because now e.NewValue is MyViewModel not TreeViewItem . This is a code snippet from the attached behavior: private static void OnSelectedItemChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) { var item = e.NewValue as TreeViewItem; if (item != null) { item.SetValue(TreeViewItem.IsSelectedProperty, true); } } This is my TreeView definition: <Window xmlns

Consider the following collection. True False False False True True False False I want to display it in a structured way, say, in a TreeView . I want to be able to draw borders around entire groups and such. True Group True False Group False False False True Group True True False Group False False How do I accomplish this with as little procedural code as possible? This does what you're looking for and is generic: private static IEnumerable<IGrouping<int, T>> GroupConsecutive<T>(this IEnumerable<T> set, Func<T, T, bool> predicate) { var i = 0; var k = 0; var ranges = from e in set let idx = +