The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The TreeView should have a context menu, which is specific for each object type. The cookie is used to store the user consent for the cookies in the category "Performance". A TreeView should be bound to a hierarchical object structure. This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. I have an application with a WPF treeview with a node hierarchy.
The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Go through the attached code for further reference.Necessary cookies are absolutely essential for the website to function properly. If you have any questions then let me know. That's how we can enable or disable the necessary context items. Sample output when user clicks on Child Node: The example below shows a basic TreeView.
Because of the use of FolderItem to represent more than one class, multiple object types can share the sameSample output when user clicks on Root Node: However, I would now like to add ContextMenus in XAML, which are typically specific to the object type the user has clicked on. Private void treeView1_MouseDown( object sender, MouseEventArgs e)ĬontextMenuStrip1.Show(treeView1, e.Location) Private void treeView1_NodeMouseClick( object sender, TreeNodeMouseClickEventArgs e)Ĭode for showing context menu on TreeView: You can add more as needed.Ĭode to Enable or Disable context menu items: Like that add the required TAGS as you need.įor the context menu I added the two items ROOT and CHILD. Here I am assigning a TAG value to the Root Node as shown in the figure: The TreeView item contains a StackPanel, and on that StackPanel is a ContextMenu property, which I have assigned to a StaticResource (which is a ContextMenu of course). For the sample, I used the built-in application commands New and Delete. This problem relates mainly to context menus, but in my specific case its about a TreeView control. The sample application provides a context menu that allows the user to add new categories or delete existing ones, if they arent root categories. Select whichever one it is.Īfter selecting Edit nodes you will have a Tree Node editor as follows select the desired Node to add a TAG. Youll probably use WPFs command system to trigger menu click events. If you already have nodes added then you will have the option as Edit Nodes, if not then it will be Add Nodes.
Right-click on the tree view to add or edit nodes you will have the following. To add a TAG for the nodes follow as described below. Download binaries (.NET 3.0 for VS2005 users) - 96.15 KB Download source and demo project (VS 2008) - 88. Id like to be able to bind the ItemsSource of a ContextMenu to a Collection in my view model, show Separator s in the ContextMenu, and the ItemsSource has to be hierarchical (every level of the hierarchy will look the same). NET XAML WPF A Versatile TreeView for WPF Philipp Sumi Rate me: 4.95/5 (107 votes) CPOL 15 min read 634K 18.5K 302 157 A strongly typed enhancement of the regular WPF TreeView control. The important point to remember when adding nodes to a tree view is to have a necessary TAG for individual nodes. Struggling with HierarchicalDataTemplate in ContextMenu. Sample Image after adding some sample data to the Form:
In some cases we need this for example we have to hide unnecessary items when clicking a specific node of a tree view.Īdd the required Nodes for tree view and required items for context menu. In this article I would like to show how to disable and enable context menu items for a TreeView.