When I mouse over the main TreeViewItem I get a nice box around it, when I mouse over a subitem I get nothing. I have a WPF TreeView for which I have specified two HierarchicalDataTemplates, and I use a template selector to choose which one to apply based on a type in a data bound object.The hierarchical data templates get applied and I see the expected names of items in the TreeView. Pages are continually updated to stay current, with code correctness a top priority. Dot Net Perls is a collection of tested code examples. We use TreeViewItems to support nested items, and we detect the currently-selected element with SelectedItemChanged. What I have is a treeview populated with Drirectories (done in code behind). A TreeView supports a nested, hierarchical display of items. In this tutorial, we will create a WPF application that will add and delete a TreeView items dynamically. The left side bar of Windows Explorer is an example of a TreeView. *Sorry if there is any typos in the XAML as I am not at a computer with VS or Blend on it at the moment. A TreeView represents data in a hierarchical view in a parent child relationship where a parent node can be expanded or collapsed. One thing I did notice in the project is that you must add the Style to each node that has children so, if you were using XAML, you would need to do something like. Let me know if that is what you want and I will post up the example. The example I have is done with Blend and is pure XAML. when the mouse moves over the TVI, but wasn't sure if you were trying to accomplish this task with XAML or code behind. Then add a SharedSizeGroup to the ColumnDefinition s that should have the same width across all the treeview items (your first column definition has a fixed width anyway, so its not needed on that):. I have a style that changes the cursor from a hand to an arrow when the TreeViewItem is mousedover (mouseovered? mousedovered (or is that a double positive which would make a negative?)). In the TreeView control, set Grid.IsSharedSizeScope to true:-. The WPF TreeView is indeed a complex control. I played with this a little earlier today, but didn't want to comit to an answer at that time. Some instructions on how to create and display a hierarchical data structure in WPF by using HierarchicalDataTemplate with TreeView.
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