Wpf menuitem itemssource. Jan 28, 2019 · 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 I add MenuItems in the xaml, each individual item display a selection on it self when mouse over, see May 6, 2021 · Implementing the above code will generate the following control. It is a Coding Horror. I'm not able to get the ContextMenu part right. An XML file can also be used as ItemsSource for the MenuAdv control. Whether using WPF, ASP. May 30, 2011 · Im having a problem rendering icons for a dynamic menu which uses viewmodels as an ItemsSource. Basically, I want to get the "Selected" MenuItem so I can sort my ListBox. So: File Open Open from DataBase File 1 File 2 File 3 XAML Code: <Menu> <MenuItem The MenuItem class holds the information for the menu items. RadMenuGroupItem. They are as follows: RadMenuItem. . XAML is more than just a way to say where the text boxes and buttons should go; it's a rich, powerful language for describing objects and their relationships. ItemTemplateSelector property to provide a template used to render the items. SubItems - a collection of the sub menu items of the current menu item. When I simply create a new menu item, and add it onto its parent MenuItem, it does not display in the Jun 27, 2017 · I'm building a simple App to store television shows. It's complaining that "ContextMenu cannot have a logical or visual parent. Please let me know if there are questions. Sep 2, 2023 · In the converter, you can define the mapping between the string values and the corresponding Style resources. In WPF, you can use XAML 2009 features, but only for XAML that is not WPF markup-compiled. RadMenuItem is the main menu item in RadMenu. From the XAML, I then styled the template to use a separator if the datacontext was null. There are still many things that are difficult or impossible to do from the visual designer. DataTemplate is used for the sub-items ([Sub]MenuItem, ListBoxItem in ListBox, and so on) and is applied to the items holder, it is contrary to the ControlTemplate, wich is applied to the control itself. Jul 3, 2009 · Use a combination of data-binding techniques to create WPF menus that change with your application May 26, 2016 · Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. ContextMenu ItemsSource binding problem. This topic covers the following scenarios: This topic covers the following scenarios: See full list on learn. A DataTrigger sets a control property when a data property is equal to a specific value. Markup-compiled XAML and the BAML form of XAML do not currently support the XAML 2009 language keywords and features. I have a Video class for the shows with some fields and properties including one reference to an object of type VideoSeason, representing the se WPF - Menu - Menu is a control that enables you to hierarchically organize elements associated with the commands and event handlers. I'm binding the ItemsSource of my MenuItem to an ObservableCollection in my ViewModel. In RadMenu basically there are three types of menu items which provide different ways to display the data in a hierarchical structure. Dec 4, 2012 · I am having trouble write the xaml representation to allow to bind to my background ViewModel for cascading menus. Apr 25, 2013 · I was wondering how can I get the "Selected" MenuItem from a Menu. g. I have a collection of objects (viewmodels) that represent menu items. ItemsSource not resolving from binding. I am having some trouble figuring out how to set the correct DataContext on a ContextMenu. As I said, I'm binding the header to the "name" of my object : MainWindow. 1. 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). In a submenu ("Colors"), I want to have static entries ("Reset color" and "Custom color") as well a dynamic values. WPFにて、コンボボックスやリストボックスの ItemsSourceは何処に書くべきでしょうか? パッと思いついた四つのパターン. microsoft. Aug 27, 2010 · WPF の MenuItem をバンディングで表現してみようのコーナー。ブラウザのブックマークをサンプルにしてみます。 When the ItemsSource property is set, the Items collection is made read-only and fixed-size. The Problem; The Solution; Using the Code; History; The Problem. Learn more Explore Teams Jul 8, 2011 · If I have a list of MenuItems based on a List of strings using DataTemplate and ItemsSource. Here Jun 25, 2010 · In my application the CurrentImage can change and then I would need to update the number of menu items to match. So far, so good. 0. MenuItem is a HeaderedItemsControl, which means its header and collection of objects can be of any type (such as string, image, or panel). So what is the type ?? in my Item object, which i should use? And what should be in the RelayCommand? May 18, 2013 · So I have this MenuItem which is using a list of CultureInfos as an itemsource. Like I said, it seems the binding is good, and I can even see the correct values for the Header menu items using Snoop, but all I see rendered is empty containers for menu items. Jul 12, 2018 · I have a menu and some submenus MenuItems = new ObservableCollection<MenuItemViewModel> { new MenuItemViewModel { Header = "Select a Building", MenuItems Sep 16, 2010 · [Edit #3] - to anyone reading this question: do not under any circumstance use the approach outlined in this question. ItemContainerStyle> <Style TargetType="{x:Type MenuItem}"> <Setter Property="Command" Value="{Binding Command Jul 24, 2013 · I have a MenuItem, which has a collection of items in it. com Jul 3, 2009 · WPF has a mechanism for that: the DataTrigger. Text - represents the text value for the item. Oct 11, 2011 · The purpose of the Template is to add some elements to the VisualTree. WPF ContextMenu. My Problem is how I can assign a click event to Menu Item, below is the XAML of ItemPresenter of parent menuitem Dec 31, 2012 · MVVM is used. XAML内で定義する; Viewのコードビハインドで設定する; ViewModelのプロパティとして実装する; 独自のクラスを定義する Mar 17, 2015 · 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 Apr 28, 2017 · Binding from context menu item to parent control. I can't reproduce your problem. You could try modifying your code by referring to the example below. Here is my XAML for the Menu. In your XAML, bind the Style property of the MenuItem to the StyleName property using the converter. Also this seems like as much code as just creating the menu items in code with event handling and then handling each menu items Checked event and I was hopeful for a XAML solution. Menu is an ItemsControl, so it can contain a collection of any object type such as string, image, or panel. here's the VM: public class MenuNode { public string Header {get;} public List<MenuNode> Items {get;} } I have a simple WPF application with a menu. Nov 16, 2020 · I have a Contextmenu which contains MenuItems. The following example illustrates this. private void DataBoundMenuItem_Click(object sender, RoutedEventArgs e) { // get menu item with ItemsSource bound var myItemsMenuItems = sender as MenuItem; // get submenu clicked item constructed from MyMenuItems collection var myItemsMenuSubItem = e. Wpf Menu derives from MenuBase, which in turn derives from ItemsControl, so you can uses the ItemsControl's ItemsSource property to populate the menu. I created separate menu 'Recent files' which gets its items from binding. I need to add menu items dynamically at runtime. I have an observablecollection of Menus (called Menulist) which in turn consists of a collection of MenuItems called MenuItems, How can i create a separator style in the xam Aug 29, 2011 · What I have is a Menu with Menu Items bound to a DataView each menu item is a Row in DataView MenuItem Text is set to a Field in Row menu is populated well and I can see all rows listed there! but when clicked nothing happens. For more information, see the HeaderedItemsControl class. EO. So help on any level is appreciated here. The solution I've used is outlined here MVVM Dynamic Menu UI from binding with ViewModel The basic Nov 25, 2011 · 最近 MVVM を勉強がてら WPF を触ってる。で、コンテキスト メニューをデータバインディングで作ろうと思ったらはまったのでメモ。 課題 WPF で MVVM やってるときに MenuItem をデータバインディングで作りたいって思うことあると思うんです。で、こうやるとうまくいかない。 <ContextMenu ItemsSource . 61 KB; Download source - 17. The easiest way, that will cause you the least amount of headache is to simply have a property in your viewmodel that returns a full Image control: 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). – x:Reference is a construct defined in XAML 2009. I freely admit this, knowing that all programmers have worked themselves into a corner in the past, and (especially when learning a new technology) we all have been led astray by other, well-meaning developers on the interweb. We apply this style to any menu that is sensitive to this context. I have a collection of view models who are the source of an ItemsControl. public class Item { public string Name public ?? MethodToCall } Now i want to use my click event (I will probably use a RelayCommand) to call the MethodToCall, which is void. Copy. Data-Biding with XML. xaml Jan 18, 2016 · IMHO more general event handler with ability to get item from itemssource . When ItemsSource is in use, setting the property to null removes the collection and restores usage to Items, which will be an empty ItemCollection. RadMenuItem. The ItemsControl. Add(null); this. In this case, we want to set a MenuItem 's Visibility property to Hidden when the data property IsFileOpen is False. Create a custom IValueConverter class to convert the StyleName string to a Style: c#. The hierarchical inheritance of Menu class is as follows ? Jun 22, 2014 · My xaml looks as below. I have a WPF DataGrid that displays a bunch of rows. Oct 16, 2009 · Specify Command for MenuItem in a DataTemplate. Menu Items. Dec 12, 2016 · I have a collection of Item-Objects bound to a WPF MenuItem ItemsSource. I get the proper list of names, however my ViewSwitchCommand does not seem to fire I did this once and used a null as my separator. If your application is designed according to the MVVM pattern, use the ItemsSource property to specify the source of items, and the HamburgerMenu. RadMenuSeparatorItem. Each row has a right-click ContextMenu with its own commands. 01 KB; Table of Contents. Jun 22, 2015 · It feels like I am going about WPF here with too much of an HTML/HTTP metaphor, I sense there is a more natural way to get ObservableCollection to update itself, hence its name, but this is the only way I can get the user to be able to edit data in a WPF application at the moment. IconUrl - represents the url of the image that represents the icon of the menu item. The WPF MenuItem supports both, and it's very easy to use: Sep 2, 2023 · Hi,@essamce. The added MenuItem is not a string but a TextBox. The problem arose when I wanted to add a list of items to a MenuItem. if the user clicks on the area where the Jan 10, 2008 · Download demo project - 8. ItemTemplate or HamburgerMenu. It's bound to some collection and it has a defined ItemTemplate like this: <ContextMenu ItemsSource={Binding } ItemTemplate={StaticResource itemTemplate} / WPF's menuitems are somewhat weird in that they don't work with ImageSource objects like the rest of the WPF framework. On the next step a sample method, which creates the sample data, is needed. Each view model has a collection of items which are also the source of another ItemsControl. What I'm trying to do is to fire a function when a CultureInfo is clicked/selected, which is supposed to change the Mar 10, 2015 · How do i correctly bind a dynamical created list of menu items. Commands. Remarks. How do I add another MenuItem to that programatically. each MenuItem is contained in a MenuItem): My guess is that this is happening because WPF is automatically generating a MenuItem for my binding, but the "viewer" I'm using actually already is a MenuItem (it's derived from MenuItem ): Oct 26, 2021 · ItemsSource を持つコントロールでは、ItemsSource=”{Binding}” と書いて ItemsSource を DataContext と同じにすることも多いですが、必ずしもそうとは限りません。 ItemsSource != DataContext となる例を1つ挙げてみます。 今、以下のようなクラスが定義されているとします。 Sep 21, 2020 · Hi. Code behind: this. If I wanted to do the menu statically, I do it like this: Sep 27, 2011 · HOWEVER, the problem is that the MenuItem in the DataTemplate is actually inside another MenuItem (as if it is being bound twice) so that in the above DataTemplate with Background="Red" there is a Red box inside each menu item and only this area can be clicked, not the whole menu item area itself (e. Here is my xaml: <MenuItem Header="_View" ItemsSource="{Binding Windows}"> <MenuItem. They come in several shapes and forms and vary in how complex they are and how much work they perform for you. A MenuItem can have submenus. <Menu> <MenuItem Header="Sort by" ItemsSource="{Binding SortByOptions}" *SelectedItem="{Binding GroupBy}"*/> </Menu> Jun 11, 2010 · However, I'm experiencing a bit of a problem where the resulting menu has two levels of menu-items (i. I have tried several thing but none seem to work. Any suggestion? Jan 28, 2016 · If you want to dynamically populate ContextMenu the better solution is do to as follows: <ContextMenu x:Key="TestContextMenu" ItemsSource="{Binding MenuItems}"> </ContextMenu> Oct 25, 2012 · Here's the code I have the problem with. "… Two common features of a menu item is the icon, used to more easily identify the menu item and what it does, and the ability to have checkable menu items, which can toggle a specific feature on and off. May 7, 2010 · As an aside, I recommend taking the time to become comfortable with XAML. Add(MainWindow. Oct 14, 2016 · And the MenuItem definition: <MenuItem Header="Workspaces" ItemsSource="{Binding WorkspaceItems}" Icon="{StaticResource BranchIcon}" ItemContainerStyle="{StaticResource MenuItemStyle}" /> I have already tried to set this Shared attribute on the Image control but no luck. It looks like the File -> Open Menuitem. OriginalSource as MenuItem; // get underlying MyMenuItems collection 今の時代メニューなんて流行らないんですかね。まあそういう私もRibbon UIでソフトを作ることが多いのであまりメニューを使うことも無いのですが、たまに使った際に動的なMenuを生成しようとしてググったところあまり良い記事が無かったのでここでまとめておきます。 動的なメニュー こ May 30, 2014 · For me, it worked with this simple template: <Menu. The submenu of the MenuItem is made up of the objects within the ItemCollection of a MenuItem. whatever that means Works for me, though. It looks like that: <MenuItem Header="_Recent files" ItemsSource="{Binding RecentFiles, Converter={ Aug 13, 2014 · I have the following bit of XAML that works just fine, in that it produces a Recent Files menu item and a sub menu item for each Recent File: <MenuItem Header="Recent Files" ItemsSource="{Binding Oct 25, 2013 · I have the following MenuItem which comes from a Menu (not a ContextMenu): <MenuItem DisplayMemberPath="Name" Header="Teams" ItemsSource="{Binding Teams, Mar 24, 2020 · 久しぶりの WPF ネタです。WPF から始まった MS 系の XAML で画面を定義するテクノロジーの中で、後発のプラットフォームでは採用されていない機能がいくつかあります。 MultiBinding とか、今回紹介する HierarchicalDataTemplate がそれにあたります。 Sep 22, 2022 · I have a MenuItem which sub items is generated through a ItemsControl items source colletion. When ItemsSource is not in use, the value of this property is null, and setting it to null has no effect. – Apr 26, 2020 · 残念ながらwpfではそのような方法では実現できません。 そこで登場するのが ItemControlクラス です。 ItemsControlクラスはコレクションを並べて表示することができ、上記のようなことを実現するにはもってこいのクラスです。 I have a context menu. AddRole5); Mar 9, 2017 · You did everything right, it's just you're declaring your MenuItem mItem1 but when using it you're writing mItem (you forgot the 1 at the end) same thing for the second one. AddRole4); this. WPF has a wide range of controls for displaying a list of data. e. NET, WinForms, HTML5 or Windows 10, DevExpress tools help you build and deliver your best in the shortest time possible. Each of them have a command that I would like to execute when a MenuItem is clicked. I'm trying to create dynamic menu items that display something based on a collection (a list of object), here is my xaml, you can see the "ListBox" and the "MenuItem". rnwbhn ihermdz thsgg ablkn xsgyl lqgj iuw wtycsu jyeccyp bynx