Any solution will likely require that because you'll never want theĪdditional navigation stop for the CheckBox.Ĭode if you'd like. You will still need to set Focusable to false on theĬheckBox. (Although, it doesn't include the ButtonBase events or properties. Supports the IsThreeState property and raises all the expected toggle buttonĮvents (Checked, Unchecked, and Indeterminate) on the target element. Press or mouse click will update the attached IsChecked property. Presses) and responds to those events just like a toggle button. The class monitors the TreeViewItem for input events (mouse clicks or key
IsVirtualToggleButton property is attached to the TreeViewItem and set to true,
Order to add support for yada yada yada.) Wordy description about leveraging an attached property to extend a class in Guess the en vogue term for this type of thing is "attachedīehavior". This doesn't work either, because focus never leaves the first CheckBox.Īnyone ever figured this out before? If so, what's the trick? This seems like it should be a simple XAML-only solution, but I can't figure it out! :( I also tried writing some code that handles GotFocus and GotKeyboardFocus of all TreeViewItems and then use FindName to get at the CheckBox and give it focus. I tried setting Focusable on the ItemContainerStyle to false, but then the keyboard navigation does not work properly. I find that the TreeViewItems want to take focus first, requiring me to press an arrow key twice to bring focus to the contained CheckBox. I want it so that the user can easily navigate through the tree and press Spacebar to check/uncheck an item's CheckBox. Suppose I have a TreeView where items should all contain CheckBoxs. I just can't find a way to do this, even after trying several hacks. Item.Tag = dr.I have a WPF programming question for you all. Public void get_children(TreeViewItem parent)ĭataRow rows = dt.Select("fdr_parent_id = '" + () + "'") SqlDataAdapter adapt = new SqlDataAdapter(sql, cnn) ĭataRow rows = dt.Select("fdr_parent_id = '0'") SqlCommand cmd = new SqlCommand(sql, cnn) String sql = "SELECT * FROM tbl_report_folders ORDER BY fdr_parent_id ASC" Using (SqlConnection cnn = new SqlConnection(cnn_string)) TreeViewItem item = (TreeViewItem)e.OriginalSource Public void tv_favorites_Expanded(object sender, RoutedEventArgs e) Private string cnn_string = new cls_server().ConnectionString OK, well I have come up with a solution that seems to work, but I'm not sure if there is a better way.Īny suggestions would be welcome! public partial class MainWindow : Window Can someone please provide me with some insight on how to accomplish this? I have done a lot of reading about hierarchal data templates and observable collections but cannot seem to make them fit with my requirements (probably due to my lack of experience). If I stored the data this way, I would need to add each folder to it's parent folder first (based on the ParentID), then add the reports to the correct folder (based on the FolderID).īeing fairly new to WPF and C# in general, I am not sure if this is the best way or if it would even work. I was thinking of having my database table structure as follows:
The application will not know how many levels there will be, only that there are 2 types of items, folders, and reports. The treeview needs to have multiple levels like the following: I am trying to populate a treeview from a database, but I am not sure the best way to do it.