![]() ![]() In addition, Id like to create third kind of context menu if among the selected item is at least one that has some property set. with some new items added) when more than one item is selected. ![]() Just for the record you need to add the Command to the CommandBindings (which is a Collection of CommandBinding) of the control for this to work this is done by the use of either the static method CommandManager.RegisterClassCommandBinding(Type typeofthecontrol, new CommandBinding(ICommand command, ExecutedRoutedEventHandler Method, CanExecuteRoutedEventHandler Method)) or by the call of the Add method of the CommandBinding collection (UIElement.CommandBindings). Id like to show regular context menu if only one item is selected but to show other context menu (eg. The ContextMenu exposes an API to associate the component to any DOM element through the ShowAsync method. Then for each Item in the Children Collection you have a collection of Items for the ContextMenu and using the Command Property you can trigger the action that you need for every specific scenario. I would like to add the ContextMenu component to every item (node) in the TreeView. In a custRootViewModel Class I've two property:Ĭhildren: who tell me about children (THIS WORK!)Īctions: who tell me about menuitem (I don't know how to bindin them.) When a user moves the mouse over the menu, the appearance of the ContextMenu items changes.I need a specific ContextMenu associate with a node in Treeview. I found that I had to this when changing focus between applications, this may not be true in your case. :) Also see that I handle the PreviewMouseLeftButtonDown event so I can ensure the item is focused (and is the currently selected item when you query the ListView). The following example uses the Trigger element to change the appearance of a Menu in response to events that are raised on the ContextMenu. This will enable the context menu for the entire row. The example assigns MenuHighlightBrushKey as the Background color and MenuTextBrushKey as the Foreground color of the ContextMenu. Ein TreeViewItem Steuerelement ist ein HeaderedItemsControl Steuerelement, das über eine Header und eine Items Sammlung verfügt. The copy-and-paste function is particularly useful, because you can. The following example works for any TreeView, regardless of the underlying data model, and searches every TreeViewItem until the object is found. Das TreeView Steuerelement enthält eine Hierarchie von TreeViewItem Steuerelementen. The first example defines a style called SimpleSysResources, which shows how to use the current system settings in your style. example shown in Figure 4-20 indicates that the TreeView control is in. The following examples show several ways to add styles to ContextMenu controls. For example, you can change the behavior of parts of the control by using properties, or you can add parts to, or change the layout of, a ContextMenu. In addition to setting visual properties, you can also apply styles to parts of a control. ītn.Content = "Created with Visual Basic."īy using a control Style, you can dramatically change the appearance and behavior of a ContextMenu without writing a custom control. The ContextMenu controls are attached to button controls. By 'works' I mean: TreeView shows items from my collection, so it is connected, the problem is with context menu binding only. The following examples show how to create a ContextMenu with submenus. 0 Create custom tree view with a dynamic context menu C WPF. 1 Adding context menu to tree view by XAML only. 4 Adding context menu to leaf node in TreeView WPF. Typically, clicking a MenuItem opens a submenu or causes an application to carry out a command. Adding TreeView in WPF with context menu in subitems. Users right-click the control to make the menu appear. The ContextMenu element enables you to present users with a list of items that specify commands or options that are associated with a particular control, for example, a Button. treeview, the test client application will create a new tab on the right that allows you to invoke the method and see the results. This topic introduces the ContextMenu element and provides examples of how to use it in Extensible Application Markup Language (XAML) and code.Ī ContextMenu is attached to a specific control. The TreeView should have a context menu, which is specific for each object type. Typically, a user exposes the ContextMenu in the user interface (UI) by right-clicking the mouse button. A TreeView should be bound to a hierarchical object structure. The ContextMenu class represents the element that exposes functionality by using a context-specific Menu. ![]()
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