Wpf dynamic context menu. ElementName Binding in ContextMenu.
Wpf dynamic context menu I am using the WPF Submenu for context SubItems: A collection of the sub menu items of the current menu item. Modified 10 years, 8 months ago. Hence the best bet is to walk up the RelativeSource to the context's parent and pull the header text from there: <Window. This shifts the context menu into a visual 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. txt -separator- +=> Clear entries This being MVVM, my mru list is WPF: Adding a Command to each MenuItem in a data-bound dynamic Menu. Click clicks event for every menu item; resolve the clicked item in a list and process it respectively; MVVM and all that is Create custom tree view with a dynamic context menu C# WPF. Binding to a MenuItem in a WPF Context Menu. Create custom tree view with a dynamic context menu C# WPF. I already check output window to check binding, all bindings work, there is no exception. WPF XAML - MenuItem with ItemSource and sub menu items. I would expect the below to work, but it does not (no items are displayed in the context menu). 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. Right now it will open if I click anywhere in the listview or in the header. The event is raised from the element that "owns" the context menu as a property and is only raised when a user attempts to open a context menu in the UI. I'd like to be able to create dynamic menus associated with certain object. WPF Context Menus in Caliburn Micro. WPF contextmenu and ListView. DataContext> In my application I want to dynamically build up a context-menu. Text = "changed the text"; PropertyChanged. A way of standardising all the The ContextMenu class represents the element that exposes functionality by using a context-specific Menu. ContextMenu> </ContentControl>. Another technique commonly used to update ContextMenus is to use a Trigger or DataTrigger to switch between a default context menu and a custom context menu depending on the triggering condition. (Maybe this is a bad idea?) I have a WPF context menu on a tray icon. I still have to right-click to make the menus Instead of using an Itemtemplate, provide ItemContainer style for context menu. One of the reasons why context menus do not work as cleanly as they could is because by default, they are in a different visual tree to everything else, so the DataContext cannot be found. Viewed 3k times 2 . ItemCollection' threw an exception. The context menu does not exist within the visual tree of your page, so it does not inherit the data context. Hot Network Questions Why 2kOhm and 3kOhm in this circuit is parallel? Creating dynamic WPF context menu. ContextMenuStrip event handler at runtime. WPF: context menu in TreeViewItem binding to root. You still have the same UserControl WPF Dynamic Context Menu with Caliburn. putting ContextMenu in WPF Styles. Hot Network Questions @VitalyB: As the MSDN docs states, the PlacementTarget property is changed when the context menu opens (to either MousePoint or Center, depending on how the user opens the menu). This was for a dynamic context menu populated for each item in a ListView. . DataTemplate for MenuItem in WPF. Pops up when user right click on a item in a listView. IsChecked; ((sender as MenuItem). To create a dynamic menu, we need the following: A WPF form with a hierarchical data template to display the menu; A service to control the adding and removing of items on the menu; A way of standardizing all the menu items to ensure consistency; In this first post, I will Article describes how to dynamically generate Context Menu Items, requiring separate templates based on items on the collection. WPF Context menu on left click. Hot Network Questions Talmud on I am creating an App where I have a map on a WPF where user can select points by double clicking on it (done and works!); however, I also want that when user right-clicks on it, a contextMenu (or somtething similar) will open and show the Names of the Markers (Marker is a defined class of the points selected by the user on the map with Latitude, Longitude & Name Problem Statement : I am using a WPF DataGrid. The context menu doesn't come from the WPF WebBrowser, so i can't disable it from those events (actually I only tried the OnPreviewMouse events, but I should get the same results). WPF : Suppress ContextMenu for ListView. Create WPF context menu for a TreeView using HierarchicalDataTemplates. In the same way ListBox will create ListBoxItem or ListView will use ListViewItem. Micro. What my problem is that when clicking the header the context menu just quickly appears on screen and closes right after that. (thanks to Botz3000 for this) Then in your code where the property value is changed you'll to find the menu item you wish to show/hide using the linkage I described above. ContextMenu = new ContextMenu() { then the context menu shows up, but I have no way of determining which column the user right-clicked on. Please help me to find out the reason, thank in advance! c#; wpf; WPF: How to dynamically generate ContextMenu. Here's my MenuItemViewModel code: public interface IMenuItemViewModel { } [DebuggerDisplay("---")] public class SeparatorViewModel : IMenuItemViewModel { } [DebuggerDisplay("{Header}, I am creating a set of images dynamically and putting them into a Stack Panel like this :- Then in the Context Menu I have this code :- Retrieve the selected item from the menuitems of a context menu. That menu item is bound to a ObservableCollection for the itemssource. Creating dynamic WPF context menu From time to time I'd like to show a context menu when clicking on a Cell in a DataGrid. Creating dynamic menu in C# with WPF. 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. If an item was selected, display Delete and Edit options. How can I fix this? Edit: Here's my XAML for the menu: Instead of hard-coding your "static" menu items on the XAML side, I would hard-code them on the VM side as CommandViewModel objects. I created a WPF application and am following MVVM Pattern. C# wpf Databinding command not working in contextmenu. How do I bind to a context MenuItem header in WPF MVVM? 1. <TextBlock Text="ContextMenu is not shown when DataContext. WPF MVVM Add dynamic context Menu for TreeView using WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model. Ask Question Asked 10 years, 4 months ago. Because a ContextMenu in WPF does not exist within the visual tree of your page/window/control per se, data binding can be a 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. WPF dynamic menuItems. Modified 4 years, 3 months ago. So you could say: // Create a context menu var cm = new ContextMenu(); cm. Windows. A simple workaround to use ElementName bindings is to add this in your Window/UserControl's code I have a context menu that gets menu items through databinding (I'm using the MVVM pattern): <ContextMenu ItemsSource="{Binding Path=ContextMenuItems}" /> This works fine. The BarContextMenu control implements a context menu that can host any Bars controls intended for menu contexts, including split menu items or graphically-rich menu galleries, and supports other advanced features like I have a context menu that contains 1 menu item. Dynamically create ContextMenu. Ask Question Asked 14 years, 1 month ago. I tried the following but its not working. Label for TextBox in ContextMenu in WPF. Since you're hard-coding it either way, you won't lose flexibility, and you'll gain added benefit of having keeping your static menu items synchronized with your HierarchicalDataTemplate should you choose to render them Context Menu when right click on listbox space --> <ContextMenu x:Key="ListContextMenu"> <MenuItem Header="Save Fruits"></MenuItem> <MenuItem Header="Add Or Remove Fruits"></MenuItem> </ContextMenu> <!-- If you want to modify contents of ListBoxItem. This was just an information for using MVVM. the type of the underlying view model). – It has been a several months since I've done any solid WPF development (was moved from application development to an actual game team). I am trying to disable the left side of the context menu where the icons are normally shown. Create separate context menu for listview and for listview item. xaml won't work. In this way you can avoid the problem of having a Menu item inside another as mentioned in the above comment. Modified 21 days ago. I want to create a Context Menu and set its items dynamically using this list. I want to create a tree view like this: queues. Here's my code: Dynamic Context Menu on WPF TreeView. Show(((MenuItem)sender). Wednesday, October 29, 2008 — jtango18. What must happen to allow a menu to have additional items dynamically added at runtime? I wish to have two context menu in grid view in my WPf based desktop application . The following are the issues that I need help: 1) Root Menu Item Header are not bind with ViewModel while the submenu works fine. Switching ContextMenus using Triggers. Setting the background to transparent ensures that it will be participate in the hit detection. From memory, you want to set the ContextMenu property on the Border and then set the Border. wpf binding contextmenu. I believe you want the ContextMenu to appear only when user clicks on the Header of TabItem and not the content area of the TabControl. In that control there is a TreeView, which displays some items. ContextMenu in MVVM. Contextual menus are often Fully solution. Find Bound Item from TreeViewItem from ContextMenu. Dynamically Adding a Context Menu Item with a Click Handler in WPF. I want to create a context list dynamically within a listview, such as the following picture: When I click those menu item, that will callback to my custom function. Eg. I believe that the header is losing its focus somehow and that's why the context menu is closed. The command and text need to update according to which data grid cell is the To create a dynamic menu, we need the following: A WPF form with a hierarchical data template to display the menu. 2) The submenu always I'm having a hell of a time trying to dynamically bind the ContextMenu on a DataGrid. How to do that? I am usign following XAML code to show grid and context menu 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. Improve this answer. A service to control the adding and removing of items on the menu. <ListView. Context menus can be generated dynamically upon request by items. For WinForms I could use code like this Find node clicked under context menu, what are the WPF alternatives? wpf; treeview; contextmenu; Share. DataGridCell also This way I've been able to make my context menu to dynamically load the icons depending on the input. 1. I separate my grid in parts with Grid. 0. Ask Question Asked 9 years ago. Related. ExampleCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ListView}}" I'm using MVVM and I want to data bind my list of MenuViewModels to my maim menu. Parent What I would like to do is reuse this context menu and pass in a type to it (or be able to retrieve it) and then the type would get passed through to the actual Executed function. The problem is that I don't have even a clue how to do that and manage the Click action for every item generated (which should use the same method with different parameter DoSomething("item_name")). Updating the name of the menu item dynamically upon click. ContextMenu> <ContextMenu> <MenuItem Header="Example Menu Item" Command="{Binding Path=DataContext. This shifts the context menu into a visual tree that is lined up with the default DataContext you want. ElementName Binding in ContextMenu. The ContextMenu class represents the element that exposes functionality by using a context-specific Menu. The first MenuItem is static and the second one should be a Separator. What also helps is listening to ContextMenu. I want to DataBind these options to Commands in my ViewModel. with some new items added) when more than one item is selected. IsShow is false"}"> Creating dynamic WPF context menu. For example the Viewing the menu shows the 2 commands and draws the control, but then if you resize the panel so 2 are visible and only 1 command is in the menu, it doesn't redraw the menu to eliminate that second menu item. Modified 8 years, 2 months ago. Ask Question Asked 8 years, 2 months ago. In the code-behind I will give each ListBoxItem the context menu I find from its visual children. When one or more nodes are selected, a collection in my viewmodel gets Showing the context menu on either of the items works, but if I subsequently attempt to show the context menu again on the other item I get the following exception: Message - Add value to collection of type 'System. The Delete menuitem is bound to a Command called DeleteCommand which is a part of the class that has been set as the DataType of the I am working on a C# WPF project and I am storing some items in an SQLite database, when the program loads, it then retrieves the items from the database and adds the items to the menu. WPF Databinding ContextMenuItem's CommandParameter to TreeViewItem's DataContext. WPF - Global Context Menu with Commands Binding. Currently i am able to display one context menu, but I want to show context menu 1 on one condition and context menu 2 on another condition . I need to populate a context menu from a database at run time. MenuItem databinding. ColumnDefinition and I set one of my menus to have Grid. 11. I have an application with a WPF treeview with a node hierarchy. Mixed static/dynamic ContextMenu on ICollectionView of ObserveableCollection (MCVE) Hot Network Questions Can "übel" have a positive meaning? 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). By default, only one instance is created and then returned upon every fetch from the dictionary, resulting in this single instance being set The WPF ContextMenu. DataContext to your view model in the following way:. 4. Result: The top menu item appears, when i click on it, the wrapping menu item (the one with the bound header text) appears along with the little arrow indicating the presence of children but hovering or clicking the arrow does Context Menus. IsOpen=true. What is the best approach? Fill a WPF Context Menu Dynamically. I don't want to use code-behind becaus I'm working with the MVVM-Pattern. Article is 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 Create custom tree view with a dynamic context menu C# WPF. However, in the cases when there are no menu items to show, I don't want the context menu to show up at all. The solution is to utilise a Tag property in the item DataTemplate to hold the data item. Binding property to dynamicaly created item of context menu. WPF: How to loop through ContextMenu to rearrange the items in it or add a menuitem as a subitem to Menu item. I want the user to be able to click on any of those items, then a method is called passing the clicked item's text as a I think your relative source is pointing to the dynamically created MenuItem and not the MenuItem that contain your Command. 0 Dynamically Adding a Context Menu Item with a Click Handler in WPF. I'm dynamically generating a tree (TreeViewItems) and want to add the same context menu to each item in the tree. The DataGrid is bound to a list of objects which works great: WPF - context menu over DataGrid. <ContextMenu> <MenuItem Header="Delete" Command={Binding MyCommand} /> </ContextMenu> Menu item won't show context menu. I'm trying to add a per-serie hide/show functionality, based on a dynamically generated, checkable context menu of the plot. ColumnHeaderTemplate. Even setting the StaysOpen property to true won't fix the problem. Currently my datagrid looks like this: Datagrid and all columns are added to the datagrid dynamically with the itemsource: ItemsSource="{Binding Data. A way of standardising all the Hurray for web. Improve this question. How to create a list dynamically in VM. Inner - Element already has a logical parent. I am refactoring three related but different DataGrids from xaml into code and hitting an issue updating the header text of a context menu. archive. WPF context menu whose items are defined as data templates. Controls. SwDevMan81 Dynamic Context Menu on Treeview Nodes. WPF MenuItem @MuhammadSulaiman because in my real project context menus are dynamic also same textblocks are used in different lists You need to build every new context menu item from scratch, you can't just merge them. I have a context menu in WPF which will be driven by a List<String> to display a dynamically generated set of menu items. <ContextMenu x I have a context menu that is being populated from an ObservableCollection. Caliburn Micro with Treeview Context Menu. So when you open the menu, instead of being a clean list of options or buttons, there's loads of greyspace on each side. ContextMenu too-wide Hi. 5. add a context menu to the test project and set that context menu to be the context menu of the ListBox. WPF Button with Image; How to create a Grid in WPF Dynamically? Automatically resize a Window to fit content in WPF; How to read and write binary data files in C#? Convert String to XML - . The menu items displayed is dependent on the type of the item selected (i. How do I add a context menu to wpf tabitem that only appears when I click on tabitem header and not the content? I also need to create tabitems dynamically in . dynamic context menus. RowHeaderTemplate, but I can't find DataGrid. I have a simple WPF application with a menu. What am I doing wrong? To start from How can I use the Send and Resend menu items in the code below to enable/disable the context menu? WPF DataGrid: Dynamically-Generated ContextMenu for Individual Rows. By moving the ContextMenu to the ListBoxItem, you've changed the DataContext from ClassDetailsViewModel(the DataContext of the ListBox) to StudentViewModel (the DataContext of the ListBoxItem). Text); } Then attach it when you add Create custom tree view with a dynamic context menu C# WPF. There is DataGrid. Like many others, I am trying to bind a ContextMenu to an ObservableCollection to create a dynamic context menu. IsOpen = Not OrteListBox. 2. header but it has some problems where if I have [tabitem 1][tabitem2 ] [tabitemtabitemtabitemta] As you suspected, your problem does seem to be caused by the use of List<Foo> instead of ObservableCollection<Foo>. fieldGrid. Hot Network Questions Because MenuItem is the container type and when it translates your view model into visual item it will wrap your template in MenuItem. Currently I can add different contextmenu for all the headers Specifying explicitly, without binding a collection you can add sub menus by nesting them. ContextMenu. C# ContextMenu EventArgs. 29. WPF ContextMenu. No So I will get all the queues (queue1, ) and topics (topic1, ) from a list. I have a context menu in my xaml and I need to bind the command and Header text. Dynamically binding and statically adding MenuItems - using view Models/MVVM. e. Ask Question Asked 10 years, 8 months ago. How to create the vertical menu and make the submenu on the menu's right side in WPF? 6. org!Here is the missing blog post:. Dynamic MenuItems with ItemsSource in xaml? 1. Hot Network Questions Tikzcd inclusion arrows facing I found a solution. This is correct, because the collection doesn't change. 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. How to find datacontext of parent's parent for dynamic control. g. ItemMenuRequested event is raised whenever a context menu is required for an item. I have an ObservableCollection in my ViewModel and I want to create a ContextMenu which is bindded to that collection where every item in the collection has a submenu and all submenus are the same. During the localization of my program (using Resource Dictionaries), I set a DynamicResource as the Header of each one of my MenuItems. I don't get your problem: If you select UC1 then the context-menu-items are ok. Each row has a right-click ContextMenu with its own commands. Since List<Foo> doesn't notify on property changes, the only way to get WPF to recognize you've added or removed an item is to temporarily set the FooList property to something else and then set it back. The TreeListBox. 1 Dynamically create ContextMenu. Typically, a user exposes the ContextMenu in the user interface (UI) by right-clicking the mouse button. Binding collection to ContextMenu submenu. Bind MenuItems dynamically. I'm trying to create a dynamic Context Menu in the WPF DataGrid. I realise that this is an old post, but someone might find this useful to know. WPF Submenu for context menu. We would like to have a dynamic Menu control, which creates the menu based on the logged in user profile. Navigation using Caliburn. For example, if you have a context menu with no icons then the The problem I'm having is that the context menu never appears when I right click anywhere on the grid. To bind properties of the wrapper you need to use ItemContainerStyle <ContextMenu ItemsSource="{Binding TestItems}"> <ContextMenu. All items after the Separator are dynamically created at runtime. 10. Hot Network Questions The data context for each menu item will be whatever it is bound to. Or even worse, if you shrink the panel so that no commands are shown and all 3 are in the Menu, it will only show the top 2. Hot Network Questions Who was the first to depict an alraune as seated inside a giant flower? Another option is to set the column headers to a TextBlock (or some other control that can handle a ContextMenu). – mike This question is similar to How to add a Column ContextMenu in the WPF DataGrid, but what I am trying to do is add a different ContextMenu PER COLUMN in the WPF Datagrid. WPF: Byte array to Image on a button in code behind. Background=Transparent. Because of this, setting a binding on the property will not work - it will be changed. NET/C#; How to Add and Remove Items in a WPF ListBox; How to read files in a folder or Directory in C#? How to add a Button click event handler in WPF? Close However, there is one new question, all column are DataGridComboBoxColumn, the context menu shows "Set all to Microsoft. Now inside the HierarchicalDataTemplate, I have a Label and the Label has a ContextMenu with a menuitem for Delete. There is no need to switch to a CLR I really need help to figure out how to add a context menu for a specific column on a datagrid. Next, we create a method to create the sample data to populate the RadContextMenu: Example 2: Generating menu I am using an ObjectDataProvider and a DataTemplate to populate a MenuItem inside my Menu bar. I also prefer to declare the menus in XAML. Introduction . Instead you should bind a menu item to a command. Ask Question Asked 6 years, Dynamically have a ContextMenu for every ListViewItem in a ListView? 9. So using the regular ContextMenu property is not going to work. Adding commands for Contextmenu inside ListViewItem Style. But I am unable to This is happening because DataContext="{Binding PlacementTarget, binding would set the button as MenuItems DataContext but that won't add the ContextMenu to the VisualTree of your window and that's why ElementName binding's won't work. WPF TabControl: Creating dynamic WPF context menu. Hot Network Questions Packing coins in a square frame Does Fire's Burn use an Action to activate? I am using c#, prism, wpf. 18. DefaultView}" and I have AutoGenerateColumns="True". Set visibility of Context Menu Items in WPF depending on other menu items. Opened and then calling CnotextMenu. Hot Network Questions How quickly do you get additional challenge refresh attempts? It is best to use a mouse_up event in codebehind. Recently I needed to auto generate context menu items bound to command collection in my View Model. My problem is that I can't seem to connect my menu to my data context. Viewed 2k times 0 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. The event is passed arguments of type TreeListBoxItemMenuEventArgs, which specifies the related Item and its UI Container. Typically, a user exposes the ContextMenu in the user interface (UI) by right-clicking the mouse button. WPF DataGrid: Show dynamic context menu on left click. Follow answered Dec 14, 2020 at 16:02. Create Hierarchical ContextMenu dynamically MVVM. It I create a MenuItem in code behind, I can assign a click listener to the item, and then add that item to the Items list of the Creating dynamic WPF context menu. A MenuItem can have other MenuItem elements within it as child/sub menus and can go up to several levels. ItemsSource if you were using data binding. I'd like to show regular context menu if only one item is selected but to show other context menu (eg. Open custom ContextMenuStrip on right-click. The command is not fired. The idea is to have an ObservableCollection<T> object, bound to the ItemsSource of the context Since the menu will sit there still open after doing this, and if you want it to close, you can then close the menu by setting IsOpen = false on the parent contextmenu: private void MenuItem_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { (sender as MenuItem). Command binding not working in a dynamic MVVM Context Menu. What I need is to dynamically add Menu Items according to a collection binded in ViewModel. How to create a dynamic menu WPF MVVM? Hot Network Questions Sci-fi book where the protagonist has a revolver that WPF DataGrid: Dynamically-Generated ContextMenu for Individual Rows. I could probably add my own context menu, maybe it'll make the other one disappear. Invoke(this, new PropertyChangedEventArgs("Text")); return true; } public I'm trying to construct context menus for a WPF datagrid which are header-specific (in other words, each column header could have it's own context menu different from the other headers). Hot Network Questions Applying square Alternatively this code could simply change menu. Hot Network Questions Replacing a PVC elbow requires six welds? What is the empirical evidence for or against Marx's Labour Theory of Value? I have a context Menu on my ListView with FilterBy as one of the Menu items in it. Binding ContextMenu to Datagrid Columns. – Eric P. Ask Question Asked 11 years, 10 months ago. Text = text; } public bool CanExecute(object parameter) { this. This Menu Item is bound to an observable collection of Menuitems(_childFilterMenuitems coming from an object ContextMenuclass). Menu item that sets properties on menu open. Ask Question Asked 4 years, 3 months ago. verify that you can now right click on an item in the ListBox and that the context menu will appear, BUT THE EVENT IS STILL HANDLED BY THE HANDLER YOU "DISCOVERED" IN STEP 2. Want custom context menu per WPF datagrid cell. WPF Submenu When I run the programm an exception is thrown saying that the context menu may not contain a logical or visual parent. Since the context menu is actually in its own window, binding is a bit trickier. This meant I could execute any command from my context menu against the specific ViewModel (and navigate up to the parent view model if required using a parent property on my new ViewModel). Furthermore I need a specific context menu for the different hierarchical points. Thanks! Update: Maybe I wasn't clear about removing the icons. ContextMenu ItemsSource binding create context menu separately and assign it to every "connection" object on the UI; handle MenuItem. IsChecked = !(sender as MenuItem). I have added a HierarchicalDataTemplate for this TreeView and in that template is a ContextMenu for the Items. So the binding using ElementName or RelativeSource wont work just like that. Modified 10 years, 4 months ago. topic1; topic2; There should be a specific context menu for the main point queues and a specific for the main 1> ContextMenu, Popups, DataGridColumns are not part of visual tree. (WPF, C#/XAML) See snipet below. Dynamically adding Context Menu items. Hot Network Questions As a solo developer, how best to avoid underestimating the difficulty of my game due to knowledge/experience of it? I have a List of strings that is regenerated every 5 seconds. Creating dynamic WPF context menu. Let’s say, I will have 3 listview container with one style where I also have a Menu. Generic Context Menu for multiple controls in MVVM. First, create the style: The main menu of my program uses a ContextMenu composed of MenuItems. – I'd like to build an MRU menu that has the following structure: File +=>Recent Files +=> Doc1. ContextMenu with Static and Dynamically Loaded Items. Modified 11 years, 10 months ago. Dynamically have a ContextMenu for every ListViewItem in a ListView? 9. First, name your view UserControlI generally name all of mine This for simplicity. Context menu binding never gets executed. ContextMenu on TreeView-Element in MVVM-style. Add(new MenutItem{Header="SampleItem"}); // Create a textblock with your header text and link the context menu var tb = new TextBlock{Text="My Column Name"}; So I have a Context Menu And a MenuItem in it which breaks out into a list of names: <ContextMenu> <MenuItem Header="Set As Default For" ItemsSource="{Binding Source={StaticResource N I am trying to implement context menu with ViewModel binding like below: The styling seems ok, but I cannot find the way to implement sub menus with check boxes bound from viewmodel. This topic introduces the ContextMenu element and provides examples of how to use it in Extensible Application Markup Language I am new to WPF. Using the following code I can bind the Header of the context menu with the "MenuItemName" which is a property in BOList which is an observable collection. ContextMenu in Window Resources, bind to DataGrid property. Column="1" I am searching for a way to extend the contextmenu of a textbox. to ensure the ESC key is handled by the context menu (to close it) and that arrow keys can be used for navigation. and the data template needed to be different based on the type of the item in the list. " This event problem is the reason I have put the menu for a user WPF: Add ContextMenu for ListViewItem. Edit/Note: Columns are generated dynamically. Binding an observable collection to a context menu. The menu is far too wide- it's the width of the items I put on it, plus about fifty-a hundred pixels. ContextMenu for ListViewItem only. queue1; queue2; topics. Everything works except binding the Command property to the TheCommand property of the MenuItemViewModel class, that represents the menu item. I have a context menu - problem is I need it to only open when a listviewitem is clicked. If so you shouldn't use event handlers directly. and the data template needed to To create a dynamic menu, we need the following: A WPF form with a hierarchical data template to display the menu. I have been following this tutorial to create a dynamic context menu in Avalonia: https: Sub-context menu for WPF. I need to hide the menu items based on the condition. 6. Items. How to create a dynamically built Context Menu clickEvent. I'm not able to get the ContextMenu part right. Commented Apr 30, 2015 at 22:12. DataGridCell", each DataGridComboBoxColumnis bound to datasource, so I do not know how to get the selectedValue of the DataGridComboBoxColumn. txt +=> Doc2. Dynamically What I would like to do is display different menu items within the context menu when the user right clicks one of these list view items. Adding controls to Contextmenu. I have a WPF DataGrid that displays a bunch of rows. Viewed 841 times WPF - context menu over DataGrid. WPF listboxitem contextmenu. IsSeparator: Indicates whether the item is a separator. DataGridTextColumn is not derived from FrameworkElement which has a ContextMenu property, so it is not possible to set a ContextMenu directly on a DataGridTextColumn. WPF Dynamic menu associated with the object? 1. Note: - The Context menu will appear only when you click on the text part (and not rest of the blank area) of the TabItem Header. Viewed 2k times 0 I have a WPF context menu on a tray icon. Since you are creating the MenuItem objects dynamically, you could just keep a reference to them using two private fields. WPF MVVM Add dynamic context Menu for TreeView using code C# in View Model. In addition, the data backing the context menu is bound data. Focus() to ensure that it receives keyboard input, e. WPF MVVM Dynamic SubMenu Binding Issue. Programmatically add a context menu whose Click handler knows which item was right-clicked. I have added a Context Menu and I have 3 options Cut,Copy,Paste. Try setting the DataContext directly on the ContextMenu. See sample code below. I am using WPF, 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. WPF Merge ContextMenues in XAML. Context Menu items command binding WPF using MVVM. Hot Network Questions Hotel asks me to cancel due to room being double-booked, months after booking This is a common problem in WPF. ContextMenu> <ContextMenu x:Name="FirstMenu" /> </ContentControl. Item Context Menus. Load 7 more related questions Show fewer related questions This is result, there no text in context menu. To learn more about the separator items and the RadMenuItems, please take a look at the RadMenu help content. – WPF Context menu on TabControl header. Viewed 4k times 2 . user3615613 Problems binding a WPF ContextMenu to an ObservableCollection with a Converter. Context Menu Item for ListBox in WPF. Because all of the context menus will be the same, I figured I could make one, and apply it to each TreeViewItem. Avoid an exception if the list have no items. Then remembering that our view I have a scenario where I have a WPF TreeView control that has an HierarchicalDataTemplate for its items. In that function I can identify which menu item is clicked, for example, I can get the header of the menu item. 3. ItemContainerStyle> One potential problem that I see here is that your ContextMenu is defined as a resource. EDIT: Using Collapsed will hide the menu item and not reserve space in the menu - you don't really want blank spaces in a context menu. First, let's add this part: <DataTemplate DataType="{x:Type YourDataTypeXmlNamespace:YourDataType}"> <Border Tag="{Binding DataContext, RelativeSource={RelativeSource AncestorType={ x:Type Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Make your own command: public class MyCommandClass : ICommand, INotifyPropertyChanged { public string Text { get; set; } public MyCommandClass(string text) { this. Article describes how to dynamically generate Context Menu Items, requiring separate templates based on items on the collection. The following code adds three children menu items to first menu item. WPF: dynamic menu with buttons. 7. The problem is how to dynamically create context menu based on some conditions. How to select a item from a context menu and displayed it a combobox. WPF Declare ContextMenu in Style. I know there are dozens of solutions out there that recreate the contextmenu as a whole, but how on earth can I simply add one custom I want the context menu for a DataGrid's column headers to be different than the rest of the cells. 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. I've got a problem with my ContextMenu in WPF. Dynamically Creating Context Menus. Hot In my xaml, I have used wpf ContextMenu to display the menu items in wpf datagid. How to bind ContextMenu items in a nested DataGrid? 0. It gives me the possibility of adding the context menus to the DataTemplates for the various class, thus giving me the polymorphism I like. With MouseOver the user feels fooled as the context menu is gone when the mouse moves towards an entry In VB the code looks like: Private Sub image_MouseUp(sender As Object, e As MouseButtonEventArgs) Handles image. Send menu item name as parameter to view-model method [WPF, Caliburn. Assuming that you have bound your view to your view model, then you can then bind your ContextMenu. Bind Context Menu inside ItemsControl? 0. I have to display a context menu for the one or more selected nodes. I used this in my MenuItem (if clicked, will show sub menus) but is not working. DataContext> <local:MainVM HeaderText="Jabberwocky" /> </Window. The list is assigned to the ItemsSource property of the context menu, and correctly displays the content of the menu. Since it works fine if I only use one ContextMenu, I do not understand the exception message. <ContextMenu IsEnabled="False"> The classes don't have any relation to your problem. I'm new in XAML and WPF, and now I seems to be having big problem. Context menu on Treeview. Share. I create the ContextMenu programmatically and then display it with ContextMenu. MouseUp anyControl. Follow edited Nov 26, 2018 at 15:12. It's complaining that "ContextMenu cannot have For a context menu in a ListBox I add my DataContext to the parent control's tag, and find it in a relative source binding to the placement target. I currently have a UserControl that uses the MVVM model. 0 WPF dynamic menuItems. cs so doing this statically in . How to bind command to dynamic context menu. I've tried adding context menu to tabitem. Then you can access them directly in the event handlers: public partial class MainWindow : Window { MenuItem mItem1; MenuItem mItem2; public MainWindow() { InitializeComponent(); ContextMenu contextMenu = new Adding a context menu in WPF. In this article. ContextMenu inside ContextMenu in WPF. Sub-context menu for WPF. Micro] 14. I am using MVVM for development. 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. Then you select UC1 again and your context-menu-items-collection is not updated. Is there a way to accomplish this? Some kind of XAML trigger maybe? Duplicate Of : Find node clicked under context menu 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. Strangely DynamicResource compiles, but doesn't seem to affect any change during localization (the language on the Creating dynamic WPF context menu. IsOpen I am having a problem displaying the context menu RadContextMenu with Icon, I am using dynamic binding to observable collection, which contains context menu items (Text and Icon), I am following this tutorial "Dynamic Binding", following is my XAML Obviously this can also be done entirely in code-behind, and if you only need the menus to be dynamic then you can just declare an empty ContextMenu like so: <ContentControl Content="FirstTab"> <ContentControl. If I bind the context menu directly to the grid, i. RowDefinition and Grid. Cascaded ContextMenu in WPF ComboBox. TreeView add different context Menu to every item in the same level, WPF MVVM. focus on the one event you can intercept with a context-click. I need to add menu items dynamically at runtime. MVVM How to bind command to ContextMenu. WPF Context Menu. UPDATE . Which consists of a set of menu items and separators. ContextMenu dynamically based on selected item you can hook up a Creating dynamic WPF context menu. 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. If so, you can define a template for Header. rwlvmyy syqfwd kdvr dqdxv idcbuwj yflsg yha kypp rpmnxmt jpddcak