Wpf treeview dynamic context menu. Ask Question Asked 11 years, 11 months ago.

Wpf treeview dynamic context menu For this purpose I wrote a MenuItemModel class, that serves as the business-object for a menu item. Mar 11, 2013 · I have an application with a WPF treeview with a node hierarchy. (Or is that ItemStyleContainer?) Simply create a style to override the header and set it to whatever you need. A context menu, often referred to as a popup or pop-up menu, is a menu which is shown upon certain user actions, usually a right-click with the mouse on a specific control or window. Dec 30, 2013 · ContextMenu does have the DataContext. When one or more nodes are selected, a collection in my viewmodel gets populated with all those selected nodes. Context menu on Treeview. Which contains three menus (Add, Edit and Delete) <TreeView> . Nov 29, 2013 · Trying to add a context menu to a TreeView with just xaml code. Popup event and enable/disable menu options before the menu is shown. Open custom ContextMenuStrip on right-click. ToInt32(1); orderdetail. Feb 9, 2018 · I am trying to create a menu using a WPF TreeView control. The problem is that I want to bind the context menu items to individual commands but since i am using Sep 4, 2018 · DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application Frameworks, and Reporting Systems for Visual Studio, Delphi, HTML5 or iOS & Android development. Is this possible the way I am doing it? I am trying to avoid making three ContextMenus, which would obviously be a way to do this. Let say when the user hovers over a node which has got some business data based on that it should display tooltip. For WinForms I could use code like this Find node clicked under context menu, what are the WPF Sep 1, 2015 · I have a TreeView created using HierarchicalDataTemplate with help of this famous article. Jan 3, 2011 · In that control there is a TreeView, which displays some items. May 13, 2020 · In the third method is where the code is to get the selected value from the ContextMenu, the selected TreeViewItem and perform your program specific actions. ContextMenu> . Jul 28, 2008 · I am building a WPF app and would like to integrate WPF treeview control from Telerik. org!Here is the missing blog post:. ContextMenu Binding from a TreeView. I have the following xaml (abbreviated for clarity): Dec 20, 2022 · Create custom tree view with a dynamic context menu C# WPF. Add(new ToolStripSeparator()); I am wondering if someone can help. ) and appears when the user right-clicks on the control. I saw that in the visual tree, the ContextMenu didn't have its PlacementTarget to point to its parent, the TaskbarIcon (Weird. Wpf Menu derives from MenuBase, Sep 25, 2023 · Thanks to @Hui Liu-MSFT and @Peter Fleischer (former MVP) ,now I am able to operate my TreeView and do Drag&amp;Drop on it. Dec 6, 2013 · Adding context menu to tree view by XAML only. Gets or sets whether a user can right-click a node to access its context menu. When I run the program I see that it selects the correct item but then goes back to the previous selection and TreeView. When searching the web I found some solutions that I could bring to work with buttons etc. XAML Hi I am doing similar thing on TreeView and I don't like that ItemToContextMenuConverter is executed on each item even if it is not used. I've tried adding a <TextBlock. WPF TreeView - Can a XAML ContextMenu be conditional based on a property? 0. Apr 20, 2015 · I have a boolean property namely "messageinlistbox". 0 WPF: Add ContextMenu to TreeView WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model. All the best, Miro Miroslavov the Telerik team Jul 23, 2009 · Another option is to add an event handler for the MenuItem. The Windows Forms TreeView control displays a hierarchy of nodes, similar to the files and folders displayed in the left pane of Windows Explorer. Apr 12, 2012 · What is the best way to implement Rename functionality from a context menu in WPF?, What I want is functionality like Windows Explorer where you right click on an item, get a context menu, and if you select rename, the text becomes editable. To that end, I have created an Interface that does nothing but expose a couple of Read Only properties (One item for the menu header, and one for the actual menu item) that I can bind the TreeView control to. Contextual menus are often used to offer functionality that's relevant within a single control. Howewer, window menu behaves properly and does not steal focus. Show(((MenuItem)sender). In the ViewModel, which is DataContext of the control (named RestoresTreeViewControl) is a command I want to bind one of the menu items to. For example, if you use the Menu item Tag property to determine if remove is supported (This is just for the example). SfTreeGrid provides an entirely customizable menu to expose the functionalities on user interface. The trick is to cast or box the TV1. <MenuItem Header="_Add" /> . This was for a dynamic context menu populated for each item in a ListView. Treeview context menu command not firing. You can assign different context menu for each item by using its ContextMenu property. Sep 16, 2013 · In WPF, when I right-click on a treeview item I would like it to be Selected/Activated before showing the context menu. Nov 17, 2015 · Ok, I have found the problem thanks to Ilan's suggestion in the comments of using snoop utility. Click clicks event for every menu item; resolve the clicked item in a list and process it respectively; MVVM and all that is certainly good but this straightforward approach is at least good place to start: May 25, 2019 · The view model for each menu item on each level has a Caption to show in the context menu, an IsSeparator flag to indicate whether it's a separator or a functional menu item, a Command to be bound to when being a functional menu item and of course a SubItems collection containing functional menu items and separators down to a certain hierarchy Add Context Menu. What I tried is; Oct 29, 2009 · Suppose I am using a context menu to add child nodes to a treeview control. Again these items need to be binded. Nov 7, 2012 · I've got a TreeView, containing a number of levels of TreeViewItems. Load 7 more related Feb 6, 2023 · In this article. Create custom tree view with a dynamic context menu C# WPF. What must happen to allow a menu to have additional items dynamically added at runtime? The entire context menu can be disabled at the root of the ContextMenu by setting the IsEnabled property to false; there is no need to loop through each menu item in code. 1> ContextMenu, Popups, DataGridColumns are not part of visual tree. `Your Command` in other words: Aug 15, 2013 · WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model. ContainerFromItem(myTree. Feb 2, 2015 · if context menu is opened on item, the item becomes blue and remains blue while context menu is on the screen; But in WPF stock TreeView, item's context menu steals focus from TreeView, and selected item becomes gray when context menu is shown. Currently I'm updating the context menu in after_select event, however this doesn't work when user right clicks to another node without selecting it. Sep 20, 2016 · Binding Visibility for DataGridColumn in WPF. You can set context menu for the nodes by using SfTreeView. Context Menu XAML: Oct 11, 2013 · How to add menu items to menu control (not contextmenu) in WPF from a database table with Bindings and Observable collections?. RoutedEventArgs e) { // Add the new item under the first-level TreeViewItem TreeViewItem tvi = myTree. – Aug 27, 2010 · Hurray for web. and the data template needed to be different based on the type of the item in the list. NET, WinForms, HTML5 or Windows 10, DevExpress tools help you build and deliver your best in the shortest time possible. TreeView is databound and populated using a HierarchicalDataTemplate. 1. I use Caliburn. I wrote the above specifically NOT to require you to left-click the node first, because it sounded like you didn't want that. And after that in the handler get the ContenxMenu from the resources and find it's MenuItems using FindName("") method. I need to add menu items dynamically at runtime. WPF - Need a combination of Tree+Grid, with Context Menu. You can now use. Nov 20, 2018 · Maybe the issue is that Caliburn can't see the context menu because it doesn't actually exist until a right click happens (similar to this issue with collapsed elements)? Ultimately, I would like the context menu's contents to be based on the tree view item that was right clicked, possibly including sub menus and/or disabled items. to ensure the ESC key is handled by the context menu (to close it) and that arrow keys can be used for navigation. This means: the context-menu is built completely dynamic. ), but it had an Attached Property called TaskbarIcon. Mar 27, 2017 · Create custom tree view with a dynamic context menu C# WPF. I have tried several approaches including relativesource, etc. I have solved this by using the {x:Reference} Markup-Extension which is similar to the 'ElementName' binding but resolves the binding differently, bypassing the visual tree. Like this: The data is binded to the contextmenu but it is reflected in the UI as a MenuItem inside a MenuItem (with the additional margins as such, making the menu very big). Context menu. Here is how I have added the TreeView Control. The menu-items depend on the selected item. Modified 10 years, 4 months ago. Wpf TabControl; EO. For a ContextMenuStrip, you can do the same using the Opening event. orderdetail orderdetail = new orderdetail(); orderdetail. It gives me the possibility of adding the context menus to the DataTemplates for the various class, thus giving me the polymorphism I like. Wednesday, October 29, 2008 — jtango18. SelectedNode. Avoid an exception if the list have no items. 2. Any help would be appreciated. Here is my XAML: Sep 4, 2017 · Yes. 0 Handling TreeViews context menu with WPF and MVVM. Moving up the TreeViewItem hierarchy. The context-menu of the TreeView changes based on which item is selected. Aug 11, 2014 · Creating dynamic WPF context menu. I can disable the context menu items in code in the rightmouse event. I'd like to create a context menu for when the user clicks on certain items in the treeview - a menu pops up to give additional options. How to create a dynamic menu WPF MVVM? Hot Network Questions Jul 29, 2021 · The TreeView provides an entirely customizable context menu to expose the functionality on user interface. Mar 29, 2018 · As you see my treeview can handle only the depth level 4. Viewed 4k times 2 . You can see the… May 15, 2019 · I've added 4 menus in context menu. First, let's add this part: <DataTemplate DataType="{x:Type YourDataTypeXmlNamespace:YourDataType}"> <Border Tag="{Binding DataContext, RelativeSource={RelativeSource AncestorType={ x:Type YourViewsXmlNamespace:YourViewWhereThisIsDeclared}}}"> Jun 14, 2010 · After searching for over a week, i finally found how to make this work properly. I do not know the number of items that will be in the list, so I would like to handle the click event in a single place. I have an ObservableCollection in May 13, 2015 · How can I have a context menu in a DataTrigger on treeview? The code below does not trigger the context menu eg I want the menu on "Symbols" as well. Feb 16, 2022 · Now I would like to be able to declare the whole context menu xaml code in a Style or a template so I don't have to write again all this code when I use this dynamic custom menu but I'm not sure how to do this correctly. SelectedNode points to the wrong item. Typically, a user exposes the ContextMenu in the user interface (UI) by right-clicking the mouse button. Binding to a MenuItem in a WPF Context Menu. In the code-behind I will give each ListBoxItem the context menu I find from its visual children. The add_NodeMouseClick sets the global variable if you left-click OR right-click but if you put your code in the add_Click for the menu item, and use the global variable there, that will only work when the menu item itself is selected. The WPF ContextMenu. Hot Network Questions Jun 20, 2012 · I don't see an event handler wired to your menu item, so that something will happen when you click it: void menu_Click(object sender, EventArgs e) { MessageBox. PlacementTarget. The root on the treeview does not have a menu Apr 9, 2011 · I found a solution. Here is the code I am using to create the tree view. This shifts the context menu into a visual tree that is lined up with the default DataContext you want. If you have one TreeView: Double click on the item to get the event. May 31, 2015 · I need to populate a context menu from a database at run time. Text); } Then attach it when you add the menu item to the context menu: Jun 29, 2015 · The context-menu of the TreeView changes based on which item is selected. Is that possible? I know how to solve it with code behind, but I'd like to learn to use WPF as it is intended. with some new items added) when more than one item is selected. Sep 27, 2012 · For a ContextMenu, you can handle the ContextMenu. Pops up when user right click on a item in a listView. Share. SetText(treeView1. ItemContextMenuOpening event. ItemMenuRequested event is raised whenever a context menu is required for an item. Although I have a context menu on HierarchicalDataTemplate which works fine but only on child elements. Dec 5, 2020 · Fully solution. Mar 12, 2024 · Interactive Features in WPF TreeGrid (SfTreeGrid) 12 Mar 2024 24 minutes to read. I've tried the following: I have a simple WPF application with a menu. If the data from server has more than 4 levels I need to change it :( Can anyone show me how to create dynamic treeview's content using such nested model? Any help is greatly appreciated. this. The TreeListBox. So the binding using ElementName or RelativeSource wont work just like that. Apr 29, 2018 · The way that I'm currently handling this is to use the selected item property of the TreeView (in the TreeView_ContextMenuOpening event handler), however the problem is that right clicking on a tree view item opens the context menu for that tree view without changing the selected state of the tree view item. Apr 21, 2016 · I want to bind a contextmenu to a list of commands. Please check the attached project to see how to bind the RadTreeView to observable collection. Because a ContextMenu in WPF does not exist within the visual tree of your page/window/control per se, data binding can be a little tricky. Mar 23, 2017 · I would like to propose an alternative to using the click events, using the context menu's Opened event: private void Handle_ContextMenu_Opened(object sender, EventArgs e) { TreeViewHitTestInfo info = treeview. It's maybe ok in a small project but if you add Enable/Disable code for each MenuItem than it can be slow. <TreeView. WPF TreeView - adding TreeNode with children. Nov 20, 2011 · Where I was going wrong was that DataGridViewCellMouseEventArgs returns the location/x,y of where the mouse clicked within the column header. Tv Show Season 1; Season n; The context menu should only show when I right click a Season node. Like this: Nov 17, 2014 · I have a context Menu on my ListView with FilterBy as one of the Menu items in it. For the purposes of the article, the ItemsSource of the RadTreeView will contain League objects. DataContext. It's trying to bind to the item's datacontext, but I want to bind it to the datacontext of the treeview. I need to use the HierarchicalDataTemplate so the solution must include that. In this article you will see how to attach a RadContextMenu to a data-bound RadTreeView and perform actions on the clicked treeview items, depending on the selection in the context menu. Furthermore I need a specific context menu for the different hierarchical points. ParentTaskbarIcon from the TaskbarIcon, so i binded the ContextMenu's DataContext to the TaskbarIcon. I have trouble finding out if I should be able to solve this with using Nov 18, 2012 · In the markup below, I am using context menu for a node of a treeview in a hierarchical template. I have this menu: &lt;Menu HorizontalAlignment="Left" Height="27" Nov 29, 2010 · This was very helpful, but I needed to assign the PlacementTarget of the ContextMenu back to the DependencyObject (in my case, Button), in order for the menu to populate correctly. Show(); Is there any event/method to bind treeview dynamically? Mar 31, 2017 · This problem relates mainly to context menus, but in my specific case it's about a TreeView control. Every item in the tree control can have from 0 to 32 child items. ItemContextMenu property. Built-in Commands. Sep 4, 2018 · The tree view control needs to be populated with items from database. EO. g. Opened and then calling CnotextMenu. ItemTemplate. You do not need to set it explicitly. SelectedValue object into what you added to the TreeView when you created it. I know the set of all commands that I support at compile time, so in theory I can define a <MenuItem> resource with an x:Key attribute for each of Aug 25, 2015 · A google research allows me to create a same context menu to every items in one level. When you right click any of the child nodes (not parents), I would like a simple context menu to display. Each of these sub items should have a context menu with two options "Rename" and "Delete". Jul 20, 2016 · I have a tree view control with hierarchical data. I cant put the menu outside because I need the menu for each item. Sep 8, 2009 · Creating dynamic WPF context menu. The ContextMenu class represents the element that exposes functionality by using a context-specific Menu. The menu fires a method on an instance of the object that the treenode represents. Creating dynamic WPF context menu. But context menu inherit DataContext from its "container", in this case it is Button. However, you can achieve it by handling SfTreeView. Can't bind command from Menu Item to a Command Binding. 3. Can we create dynamic context menus for different treeview nodes. I tried to add it with such code lines like below but without success. Sep 8, 2010 · Because ContextMenu is not in visual tree, binding will not work. or jsut try search BindingProxy. a simple solution is using Proxy Pattern, you can create a wrapper class that inherits from DependencyObject and has a DependencyProperty that will keep a DataContext of your Window, then you can have a resource of the proxy in XAML and finally bind your MenuItem command to your desired command via the proxy object. The TreeView provides support for the following built-in commands Dynamically Creating Context Menus. It turns out DataTemplates don't work too great for dynamic menus. Jan 24, 2012 · Caliburn Micro with Treeview Context Menu. ContextMenu> <ContextMenu ItemsSource="{Binding ItemContextCommands, Converter={StaticResource commandToStringConverter}}"&gt I have a user control with a TreeView where the nodes are generated dinamically (in fact I use the HierarchicalDataTemplate property), depending on the structure of an input XML. If an item was selected, display Delete and Edit options. The following code sample shows the context menu with command bindings. Windows. Micro as MVVM framework. Also I can ONLY display ContextMenu by right click on the first level of TreeViewItem, which is required. foreach item in this level. I built a TreeViewSelectionModel class when I built TV1. Feb 21, 2017 · The Tag of TextBlock can be bound to the parent TreeView which its DataContext is the ViewModel. This sounds pretty simple, but the inclusion of a hierachicalDataTemplate complicates things a little. WPF: context menu in TreeViewItem binding to root. You can do some thing like this I have a scenario where I have a WPF TreeView control that has an HierarchicalDataTemplate for its items. This Menu Item is bound to an observable collection of Menuitems(_childFilterMenuitems coming from an object ContextMenuclass). archive. Sep 20, 2023 · Following MVVM, I have developed a TreeView and now I want mouse right click to show ContextMenu on certain TreeViewItem. The TreeView item contains a StackPanel, and on that StackPanel is a ContextMenu property, whic May 31, 2017 · WPFのTreeViewの子要素を右クリックするとメニューを出して、そのアイテムを利用したコマンドを実装したかったんですが、やたらと実装が難航したので設定方法をメモ。実装例&lt;UserContro… Nov 6, 2014 · Unfortunately, I can't set the data context of the menu item to be the button that exposes the command. Sep 8, 2020 · Here in this blog, we will demonstrate how to create and use the WPF ContextMenu in WPF. So far I have not been able to get the command binding correct for the context menu. In my example, despite my best efforts, I cannot keep the ContextMenu of a BarNode from appearing whe Jan 19, 2011 · This is regards to MVVM & WPF -showing dynamic tooltip based on mouse location on a WPF Treeviewitems. Setting the context menu's 'NameScope' as suggested by the accepted answer only works if the context menu is not defined in a 'DataTemplate'. Defining the ViewModels. private void InsertTerrainNode(object sender, System. (1) I am right-clicking on the node (2)context menu pop up (3)then I click "Add" menu item (4)a dialogBox opens up (5) I input the name in that DialogBox and press OK (6) A new Node is created. The context menus for the different types of tree nodes will be different, but will also share some sections. A WPF ContextMenu is used to attach to specific control like (DataGrid, TreeView, and Button, etc. private void treeViewCopy_Click(object sender, EventArgs e) { Clipboard. I would like to add a context menu to only one level of items in the TreeView. You can create context menu for nodes in an efficient manner. ContextMenu> to the textblock in the treeview item XAML HierarchicalDataTemplate - this works well, but I'm unable to obtain the item which was right clicked on. Tag. queue1; queue2; topics. Position)); TreeNode contextNode; // was there a node where the context menu was opened? Oct 21, 2014 · I am trying to disable certain menu items in a treeview's context menu if the SelectedItem property for the treeview is null. Whether using WPF, ASP. Items[0]) as TreeViewItem; TreeViewItem newTerrainNode = new TreeViewItem Nov 2, 2012 · I am trying to make design a WPF TreeView where the ContextMenu activates on particular nodes. WPF Dynamic Context Menu with Caliburn Oct 2, 2013 · WPF treeview contextmenu command parameter. The proper way to do this is to use the ItemContainerStyle property of MenuItem. I'd like to show regular context menu if only one item is selected but to show other context menu (eg. Nov 15, 2012 · TreeView Context Menu Wpf. Navigation using Caliburn. This is great when you want the same menu for all items, What if I want just one TreeViewItem to have a context menu? I figured that would do it: Aug 11, 2021 · Adding context menu to tree view by XAML only. NodeMenuCustomizations: Allows you to add menu items to a node’s context menu. Each node in my treeview has a different contextMenu. Eg. MVVM Menu Bar with binding. 0. How do I declare the handler so I can tell which menu item actually triggered the click. I only want to define the common menu sections once. The following below XAML code adds the WPF context menu into WPF Treeview. Mar 11, 2014 · I have a TreeView in my WPF application and I want to show or hide the context menu depending on the type of the treeviewItem. <ContextMenu> . The key insight is to create a <Style> that defines a context menu, then attach that style to a target element, which hooks up the context menu. WPF with MVVM Add elements to a TreeView dynamically. Sep 30, 2020 · This blog provides code examples of how to add the WPF context menu into WPF Treeview using XAML code and at run time using C# code. So far I've tried the following, but I think there must be a better way. Ask Question Asked 10 years, 4 months ago. Feb 6, 2023 · In this article. Resources> <!-- Dec 27, 2010 · Create custom tree view with a dynamic context menu C# WPF. Every option is a command but the menu's datacontext is the actual note an not the viewmodel. WPF MVVM Add dynamic context Menu for TreeView using code C# in View Nov 26, 2018 · I would like to select a WPF TreeView Node on right click, right before the ContextMenu displayed. Can we create tree view nodes by just passing observable collection of different objects. Jul 14, 2013 · How can I create a context menu which will show up when the user right clicks on an element of my tree view? I would like to get the name of the item which was clicked, how is this possible? This Nov 23, 2012 · I want to populate a tree getting parent and nodes from database in WPF. So my question Do you have any idea that allow me to create context Menu to every item in the same level with full respect to the architecture MVVM ? Below the code that allow me to create same context menu to every items in one level: <TreeView. Menu Resources: Apr 21, 2017 · create context menu separately and assign it to every "connection" object on the UI; handle MenuItem. It is enough in common case but in your case you need two "data contexts", of ItemsControl item and of ItemsControl itself. ContextMenu is in different logical tree, that's why RelativeSource doesnt work. Jul 12, 2013 · I am implementing an explorer-type view: on the left is a TreeView and on the right is a details view / editor view of the item selected on the left. My application contains a TreeView which supports a set of commands, but the commands might move around between menus, only appear on some menus and not others, be shared across multiple menus, etc. This is my code: //. This is a context menu for a grid, and I need the DataContext of the selected item so that I can pass in properties from that as parameters to the command. Instead I need to use HitTest in the grid's MouseDown event for a hit on the column headers and then convert the position of the hit from the gird co-ordinates to the screen co-ordinates. I have added a HierarchicalDataTemplate for this TreeView and in that template is a ContextMenu for the Items. Creating Dynamic Menu from Data Source: EO. I have defined HierarchialDataTemplates to define how the objects are presented and which context menu should be presented. By setting the ContextMenuStrip property, you can provide context-sensitive operations to the user when they right-click the TreeView control. Now inside the HierarchicalDataTemplate, I have a Label and the Label has a ContextMenu wit May 19, 2021 · DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application Frameworks, and Reporting Systems for Visual Studio, Delphi, HTML5 or iOS & Android development. If you collapse the menu with a XAML style then it does not appear when the contextmenu is empty, however it appears afterwards when you left-click on another item. The TreeView should have a context menu, which is specific for each object type. – Mar 22, 2010 · A TreeView should be bound to a hierarchical object structure. 2> When you want the context menu to not display under particular situation use the triggers to unset the context menu from the visual itself. I can fix this by changing the MenuItem inside the DataTemplate to a TextBox, but then I cannot bind the IsSelected anymore (which I need for visualization properties). Aug 12, 2009 · Duplicate Of : Find node clicked under context menu. My database structure is as; Here deficiencyID is the id of the node and parentID is the id of the parent. Nov 16, 2010 · I came up with a solution for a TreeView that uses the OnContextMenuOpening callback. Click event to the TreeViewItem as you create it. It prevents the problem Alex G mentioned. I have this working for other buttons in the item template, but for the context menu it seems to be failing. How can I prevent this context menu from appearing if I right click on empty space (below the last item) ? I tried to use the ContextMenuOpening event, but it is buggy and isn't raised. Jul 29, 2021 · The TreeView provides an entirely customizable context menu to expose the functionality on user interface. WPF selection of a TreeView item as context menu is called. I want to create a tree view like this: queues. I've got a context menu on a Treeview, when the user right clicks it supposed to change based on the currently right clicked node's tag object. I therefore define some common arrays of menu items as a resource, and then pull Aug 6, 2011 · What also helps is listening to ContextMenu. I have to display a context menu for the one or more selected nodes. 0 Apr 14, 2011 · Create custom tree view with a dynamic context menu C# WPF. ItemContainerGenerator. No context menu is automatically created by default. I think the problem is with setting the ItemsSource-Property of TreeView that gives every single item an own DataContext. <Grid. Focus() to ensure that it receives keyboard input, e. Oct 24, 2011 · I have a TreeView which is going to contain many different kinds of tree nodes with context menus. If I click with th I need to use a treeview control in WPF application I create nested data (with type DataItem) and assign it to treeview control. When I simply create a new menu item, and add it onto its parent MenuItem, it does not display in the menu, regardless of if UpdateLayout is called. However, I want it to select the item that was right clicked if it is not already. This is a dependency property. Apr 12, 2012 · I'm trying to get a context menu within a ListBox ItemTemplate to call a method on the parent view model, passing in the item that was clicked on as a parameter. Ask Question Asked 11 years, 11 months ago. The TreeView contains different types of 'leaf' objects. My expectation is that this would be most simple to achieve by binding the SelectedItem property of the TreeView to the IsEnabled property of the MenuItem with a converter in between. The event is passed arguments of type TreeListBoxItemMenuEventArgs, which specifies the related Item and its UI Container. Hope this will help you. Dec 15, 2009 · In this example, I would like for each of Size, Brand, and Color to have the same ContextMenu, but if the Context Menu is pulled up in the Size TreeView, I will need to add a group of type Size to my table. The Tag of the Context menu can be bound to this Tag (again). Wpf TreeView; Reference; Table of Contents. First, create the style: Mar 10, 2014 · I want to create a dynamic tree view from a list in C# WPF. I am currently using the following class to show / hide the c Apr 3, 2014 · I've got some XAML like the following: <UserControl x:Class="Foo"> <UserControl. – Jan 9, 2010 · Thanks! The problem is that in the end (I mean your code example) we get "g"-the reference to Grid (where my Context Menu XAML declaration is placed), but I need the reference to clicked object which is inside the Grid (inside the Grid I have hundreds of similar objects, each of them can be right-clicked to get a context menu). <ContextMenu IsEnabled="False"> Apr 16, 2016 · I will pass dynamically value to this page for bind treeview like below. Well, I have a context menu in the grid that have some options about the "selected" note. I have a couple of questions which will help me make decision faster. I also prefer to declare the menus in XAML. Jul 5, 2013 · I have a simple context menu on a dynamically populated tree view. Feb 29, 2012 · However, this gives me trouble because you are able to right-click the visual columns in the top of the ListView to get the context-menu to appear as well. As you can see in the screeshot, I only want the ContextMenu to be displayed when mouse right clicks on the first level TreeViewItem(those in yellow). WPF: How to put a tree view inside the datagrid. Micro. WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model. It is up to you to set the I need to add a separator between Context menu item that are generated from code behind. ShowNodeMenu: Occurs before a user opens a node’s context menu and allows you to customize this menu. Attach="[Event Click]=[Action Remove()]" is required so that something happens if the ContextMenu-Item is clicked. Oct 8, 2003 · The handler is supposed to dynamically create a context menu based on the selected item. Sep 9, 2012 · I am trying to access the MenuItem in a ContextMenu which itself is part of a countrol's resources &lt;TreeView. Create a hierarchicaldatatemplate and assign it to treeview control Jun 16, 2009 · I have a itemscontrol with a grid inside, every item is a note. I am trying to bind this property with the context menu. Jul 28, 2008 · You should leverage on the WPF framework context menu. HitTest(treeview. Commands. However, my code produces a result whereby every single item in the TreeView has a context menu. Improve this answer. ParentTaskbarIcon Sep 10, 2012 · I have a treeview with a hierarchical template and I'm using mvvm. I only want the context menu to appear on all the items in the list, and I would hate to program a method to add a new context-menu for every list or so. It is not working. Jul 6, 2013 · In my WPF application, I want to add a context menu and its handler in ViewModel to the leaf nodes of my TreeView control. Hot Network Questions May 28, 2014 · Article describes how to dynamically generate Context Menu Items, requiring separate templates based on items on the collection Introduction Recently I needed to auto generate context menu items bound to command collection in my View Model. How do I make my program act like VS? May 5, 2014 · In other questions/answers about putting ContextMenu on TreeView elements I always see a reference to TreeView. The TreeView has a context menu. Simple Nested TreeView Xaml structure? 1. So I will get all the queues (queue1, ) and topics (topic1, ) from a list. Resources> <ContextMenu x:Key="ContextMenu1"> <MenuItem Header="Command 1a May 9, 2014 · I have the "simple" task to have a ContextMenu on a TreeView(Element) that is done in MVVM-way. In your case the DataContext in ContextMenu is the same as for TreeViewItem. Thank you in advance. but not with the TreeView. So I created a property for treeView that return for me the object of every node selected. What I rather want to achieve, is to have the menu fire a method on my root ViewModel, passing to it as a parameter the instance of the object represented by the clicked treenode. This is the following code which i am trying to implement. It has a context menu with four options: Expand, Expand All, Collapse, Collapse All. Aug 13, 2010 · Other thing you can do is to declare this ContextMenu in your resources and attach it to the TreeView using StaticResource. Can I suggest you insert a paragraph in your answer explaining that BECAUSE its not in the visual tree, the data context and hence bindings do not update when the content in the content presenter changes due to selecting a tab (assuming that is what causes the problem) Jun 26, 2014 · Create custom tree view with a dynamic context menu C# WPF. If during the start context menu item is clicked, how to disable that particular ("Start") menu item? ContextMenu conMenu1 = new ContextMenu(); public Form1() { Sep 4, 2013 · This is a common problem in WPF. Apr 3, 2013 · However the issue comes up with the context menu. OID = Convert. May 12, 2017 · Adding context menu to tree view by XAML only. Ask Question Tree View Context Menu - Pass selected item to command? 2. How to get TreeViewItem's ContextMenu, having Oct 28, 2011 · Create custom tree view with a dynamic context menu C# WPF. The solution is to utilise a Tag property in the item DataTemplate to hold the data item. WPF TreeView (SfTreeView), doesn’t have any direct support to open different context menu based on the level of the nodes in which the context menu is opening. The line cal:Message. So I bind the ItemsSource property to string collection. You can create context menus for different rows in an efficient manner. Text); } If you have more than one TreeView: If they all use the same context, assign the Context Menu Strip to each TreeView. PointToClient(Cursor. – Mar 22, 2011 · WPF selection of a TreeView item as context menu is called. . How can I do this in WPF? Apr 26, 2018 · The following code produces a TreeView as seen below. Resources&gt; &lt;ContextMenu x:Key =" I would still love to find a definitive explanation of this from the WPF team etc. topic1; topic2 Sep 15, 2016 · WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model Hot Network Questions Which issue in human spaceflight is most pressing: radiation, psychology, management of life support resources, or muscle wastage? Nov 22, 2016 · The problem is how to dynamically create context menu based on some conditions. This is maybe not the best (I just started with WPF), but I will share it with you. But I want this to be done in XAML instead. ouuzsa nnsp yns bjzcu cnfogt rap bcnaww gwazf idgcfa gmjwe