Wpf contextmenu binding This is what I am doing: <Button x:Name="btn" Content="Context Menu"> Apr 13, 2017 · ContextMenu无论定义在. WPF MVVM ContextMenu binding IsOpen to Model. Try doing this: <MenuItem Command="{Binding Path=PlacementTarget. 如图，基本样式结构 Command="{Binding cmd,Source={StaticResource dataContextProxy}}" 如果想传递附着的元素 Aug 26, 2010 · 假设我有一个窗口，其中有一个属性返回命令(实际上，它是一个UserControl，带有一个ViewModel类中的命令，但让我们尽可能简单地再现问题)。以下工作：<Window x:Class="Window1" x:Name="myWindow"> <Menu> <MenuItem Command="{Binding MyCommand, ElementName=my Mar 16, 2021 · WPF ContextMenu 在MVVM模式中绑定 Command及使用CommandParameter传参 ContextMenu无论定义在. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Binding}”是行不通的不能绑父级，但是能绑资源第一步：定义一个中间类用来做资源对象 1 public class BindingProxy : Freezable 2 { 3 Mar 15, 2021 · こんにちは、働くC#プログラマーのさんさめです。今回はBinding入門編第3回です。第1,2回は以下をご覧ください。【WPF】Binding入門1。DataContextの伝搬【WPF】Binding入門2。Binding対象を変更するに Oct 14, 2014 · UPDATE . 一、ContextMenu . Since the context menu is actually in its own window, binding is a bit trickier. 在wpf中ContextMenu和ToolTip一样都是弹出层，与VisualTree已经分离了，只不过ToolTip在wpf中有进行特殊处理，所以可以正常绑定。 Apr 17, 2020 · 同じxaml内の要素を指定しているにもかかわらず Bindingに失敗してしまうのでしょうか。それは、ContextMenuが独立したVisualTreeを持っていることに起因しています。 ContextMenuは厳密にはPopupであり、元のWindowとVisualTree上のつながりがありません。 Jan 31, 2019 · ContextMenu无论定义在. com Learn how to use the ContextMenu control in WPF, which is a menu that pops up when the user right-clicks on a control or window. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Bind May 28, 2021 · WPF ContextMenu. 5. Aug 8, 2018 · 原文:WPF ContextMenu 在MVVM模式中绑定 Command及使用CommandParameter传参ContextMenu无论定义在. MVVM binding command to contextmenu item. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Binding}”是行不通的不能绑父级，但是能绑资源第一步：定义一个中间类用来做资源对象 1 public class BindingProxy : Freezable 2 { 3 Oct 16, 2009 · 可能重复：我有一个表示菜单项的对象(视图模型)集合。它们中的每一个都有一个命令，我希望在单击MenuItem时执行该命令。如果我想静态地做菜单，我会这样做：<ContextMenu> <MenuItem Header="{Binding Text1}" Command={Binding Command1}> <MenuItem Header="{Binding Text2}" Com Apr 21, 2016 · Context Menu Binding in C# WPF. Since I am not using RelayCommand but command class, I fail to find a proper solution. SaveToClipboardCommand, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/> Apr 17, 2015 · Context Menu items command binding WPF using MVVM. 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. com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/ and it'll do the trick! Binding to Dynamic Data. WPF XAML - Bind Context Menu Item Dec 21, 2022 · 一、ContextMenu数据绑定问题例如，我们将数组绑定到ListBox控件上，在其数据模板上添加ContextMenu实现每项选中删除功能。首先，声明如下所示的ViemModel： public class MainWindowVM : INotifyPropertyChanged { pub Nov 17, 2015 · Ok, I have found the problem thanks to Ilan's suggestion in the comments of using snoop utility. Adjusting the existing menu items is fairly simple and is probably the most common scenario. Hope it helps someone encountering this. 0. Aug 27, 2010 · 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. Aug 8, 2014 · Alternatively (cleaner if you are bound to use it a lot of times), get the BindingProxy from this article: http://tomlev2. Replacing the entire menu before display. ParentTaskbarIcon from the TaskbarIcon, so i binded the ContextMenu's DataContext to the TaskbarIcon. ParentTaskbarIcon Nov 22, 2016 · It seems that there is a very simple answer which solves the OP's original problem in a MVVM scenario, because the ContextMenu class supports binding via the ItemsSource property. 18. This means that each item may come with a set of items on its own. Each row has a right-click ContextMenu with its own commands. See how to add commands, icons, and invoke the ContextMenu from code-behind. Hence the best bet is to walk up the RelativeSource to the context's parent and pull the header text from there: Oct 16, 2009 · <ContextMenu> <MenuItem Header="{Binding Text1}" Command={Binding Command1}> <MenuItem Header="{Binding Text2}" Command={Binding Command2}> </ContextMenu> but when I don't know the items in advance (they come from a collection), I need to assign ContextMenu. I tried lots of solution online but they all don't work in my case. . See full list on learn. Aug 19, 2020 · 文章浏览阅读3. cs或. Sep 25, 2023 · Now I am facing an issue that I want to bind command to each of the ContextMenuItem. ItemsSource - and put a text into a ItemTemplate. 4k次。问题：1、当为ContextMenu指定DataContext时，因为ContextMenu属于弹出层，在VisualTree中与所在的设计视图已经分离，所以无法将DataContext绑定到任何父级元素，即使整个视图已指定了DataContext，也无法设置MenuItem的Command，也就是说，一下几种方式都是无效的，均不能触发菜单项的Command Feb 16, 2022 · I feel as though I am rally not getting WPF and particularly MVVM. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Binding}”是行不通的不能绑父级，但是能绑资源第一步：定义一个中间类用来做资源对象第二步：引用命名空间，在控件中定义 Sep 21, 2020 · Hi. 1. Context Menu Binding in C# WPF. I'm not able to get the ContextMenu part right. I saw that in the visual tree, the ContextMenu didn't have its PlacementTarget to point to its parent, the TaskbarIcon (Weird. I have searched high and low across the web for this, and the most common answer seems to be “just do it in the code behind”. How to bind WPF ContextMenu ItemsSource? 0. Every time I feel I have got my head around it something comes along to set me back. Aug 9, 2021 · 文章浏览阅读3. It's complaining that "ContextMenu cannot have a logical or visual parent. Jul 27, 2023 · WPF的ContextMenu的绑定方式【作者】长生. XAML <ContextMenu ItemsSource="{Binding Path=ItemList, UpdateSourceTrigger=PropertyChanged}"> </ContextMenu> Sep 8, 2010 · Because ContextMenu is not in visual tree, binding will not work. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Binding}”是行不通的不能绑父级，但是能绑资源第一步：定义一个中间类用来做资源对象public class BindingProxy : Freezable { #region Overrides of Freezable protected override Freezabl_wpf . wordpress. If you check your output window, you should have a message saying that it can't find the object "Lst" Jun 20, 2024 · ContextMenu无论定义在. ContextMenu为何不能正常绑定. ), but it had an Attached Property called TaskbarIcon. 3. WPF Bind to Element From ContextMenu. I am currently trying to move my code from code behind and have the RelayCommand for the New… I am new to WPF and am trying to bind a Context Menu to a Button with the Context Menu items coming from a View Model. xaml文件中，都不继承父级的DataContext，所以如果要绑定父级的DataContext，直接DataContext=“{Binding} Oct 5, 2020 · FizのほうはBindされますが、 BizのほうはBindされません。何か解決策がありましたら、ご教授いただきたいです。よろしくお願いいたします。 ※実際にはCommandをBindさせたいと考えていますが、質問内容を簡潔にするためにHeaderにStringをBindしています。 Aug 8, 2014 · The ContextMenu being separate from the visual tree, you cannot bind with and element outside of it. Feb 6, 2023 · There are several scenarios for handling the ContextMenuOpening event: Adjusting the menu items before display. Completely suppressing any existing context menu and displaying no context menu. "… Oct 12, 2010 · EDIT (after showing how the control is exposed): Well ContextMenu is somewhat tricky, because it's actually not part of the same visual tree. The data displayed in the RadContextMenu has a hierarchical structure (similar to the RadTreeView). microsoft. I have a WPF DataGrid that displays a bunch of rows. 1k次。ContextMenu无论定义在. For that reason you have to use the ItemContainerStyle. jmhcpu ozudge fapzb cjfmffk hcxha vgxgh vdgdphiq zeti vvnh zvclo epeyomnfm xcn mvntirj dkq uygk