Wpf contextmenu placementtarget
Wpf contextmenu placementtarget
Wpf contextmenu placementtarget. Wednesday, October 29, 2008 — jtango18. Share. to reference the DataGrid. NameScope Attached Property to set NameScope in XAML but I am not sure how you will get the NameScope of parent window without code! Oct 2, 2013 · Next, look at the ContextMenu. ContextMenu> <ContextMenu> <MenuItem Header="Open in current tab" Click="MenuItemCurrentTab_Click" CommandParameter="{Binding RelativeSource={RelativeSource Self}, Path=Parent}"/> Apr 1, 2014 · ContextMenu doesn't inherit DataContext of tb:TaskbarIcon because context menu doesn't lie in same Visual tree as that of its placement target (taskbar icon in your case). This step works fine. Since you are doing code-behind anyway and access your controls directly to set ItemsSource and so on you could set the DataContext of the window to itsself in the constructor. There are many Labels on the page that have Contextmenu. For more information, see Popup Placement Behavior. ContextMenu> </Button> PlacementTarget. Gets or sets the context menu element that should appear whenever the context menu is requested through user interface (UI) from within this element. Placement. IsOpen = true; I call this in my main window. In some places I want more than just these three and there I could use a custom context menu that use that same collection combined with those extra items. The following example shows how to use the PlacementRectangle property and specify where the ContextMenu is placed. Try Mar 20, 2018 · You cannot find PlacementTarget property in Grid. I saw that in the visual tree, the ContextMenu didn't have its PlacementTarget to point to its parent, the TaskbarIcon (Weird. So I create the ContextMenu thus: <UserControl. ContextMenu>. Add a ContextMenu to the DataGrid. Một trình đơn ngữ cảnh, thường được gọi là một popup hoặc trình đơn bật lên, là một trình đơn được thể hiện theo hành động người dùng nhất định, thường là một nhấp chuột phải chuột vào một kiểm soát cụ thể hoặc cửa sổ. IsOpen = true; } I feel somehow the PlacementTarget propery on ContextMenu is not getting set properly. See this thread Following the same way as the answer from the link you would <Grid. public class BindingProxy : Freezable { protected override Freezable CreateInstanceCore() { return new BindingProxy(); } public object Data { get { return (object)GetValue(DataProperty); } set { SetValue(DataProperty, value); } } public static readonly DependencyProperty DataProperty = DependencyProperty. to ensure the ESC key is handled by the context menu (to close it) and that arrow keys can be used for navigation. Context menus are tricky to bind against. 2, I want to open another window with another kind of bu. That means the ListBox is always set as PlacementTarget of the ContextMenu. These properties behave the same as they do for a Popup. Problems with wpf windows location. Nov 6, 2014 · DataContext="{Binding PlacementTarget, will set the Button(Placementtarget) as the DataContext of your ContextMenu, so you can use Button's DataContext to bind command. Ideally I'd like to get the row that was clicked, however only know how to get the SelectedItem or SelectedIndex. parent) data context, which continues to wo Jan 28, 2016 · Edit: I don't want to add items to the contextmenu dynamically. PlacementTarget, is Label, where the menuitem is hosted. xaml to Setter Value. Aug 27, 2010 · Hurray for web. 2: ContextMenu has a PlacementTarget property that will allow access to your UserControl: <MenuItem x:Name="mnuProperties" Header="_Properties" Command="{x:Static localcommands:TaskCommands. (PopUpService class is responsible for setting this value to actual target). ContextMenu> This definitely works in a dummy project set up from scratch. 还要注意在 ContextMenu 的菜单项上使用图标是多么简单。 从代码隐藏调用 ContextMenu. Update: You can try and use the NameScope. However I want the contextmenu to show when I left-click the button instead of right-click. But in my case I need a ContextMenu only on a right click in Cells not in the entire DataGrid. Ask Question Asked 8 years, 1 month ago. DataContext, RelativeSource={RelativeSource Self}}" > This magical spell tells WPF to create a permanent binding between the menu's data context and its "placement target" (i. object reference is null. Jan 9, 2010 · 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). PlacementTargetプロパティ の存在があります。 このプロパティには、 ContextMenuを開くきっかけとなったUI要素 が格納されています。 この場合TextBlockとなります。 I would still love to find a definitive explanation of this from the WPF team etc. I assume the WPF framework sets it as part of the default handling for context menus. Placement="Bottom">. Parent as ContextMenu; Button b = cm. Contextual menus are often used to offer functionality that's relevant within a single control. Tag, RelativeSource Jun 16, 2017 · As for your second snippet in code behind, you can't set the PlacementTarget once the ToolTip is open and when the ToolTip is closed the PlacementTarget is null. Jul 18, 2022 · ContextMenuにはPlacementTargetプロパティがある。 これは ContextMenu が表示される際の表示位置の基準となるオブジェクトを示すプロパティである。 ContextMenu を開く際にこのプロパティを意図的に設定しなければ、右クリックしたコントロールが格納される仕組み PlacementTarget. Modified 7 years, 9 months ago. org!Here is the missing blog post:. Add a descriptive MenuItem to a WPF ContextMenu. Jun 12, 2014 · ContextMenu. But you could bind to the PlacementTarget of the ContextMenu, which is the ListBox. Any recommendations? Thats my ContextMenu: <DataGrid. PlacementTarget as Button; } Share Improve this answer Jul 31, 2012 · You can try something like this: In this example I have a listview and I can right click and delete a selected item. But when you change the PlacementTarget this overrides the default, and now the DataContext is coming from the new PlacementTarget, whatever it may be. Null reference in 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. <Button Name="btnFoo" Content="Foo" ContextMenuService. Try doing this: <MenuItem Command="{Binding Path=PlacementTarget. A Popup control displays content in a separate window that floats over an application. The PlacementTarget property is used when the RadContextMenu should be displayed on a position related to a different UI element (not the one attached to). 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. ContextMenu 或 FrameworkContentElement. Worse, focusing the button and hitting the menu key causes the context menu to sit in front of the button, blocking it completely. Tag where in the source element the Tag property has been set to the DataContext but in some situations, the element itself is also meaningful, such as in your example. Creating dynamic WPF context menu. I have a DataGrid with a ContextMenu. 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"}; tb. PlacementTarget is nothing in WPF. So you could say: // Create a context menu var cm = new ContextMenu(); cm. Oct 18, 2013 · In WPF, with MVVM light, there's a Class(which is consist of some students), and the Class hold some Students. I'm trying to bind a command to a menuitem in WPF. RowStyle Row style. ContextMenu = cm; // Set the grid column The WPF ContextMenu. 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) Sep 8, 2010 · Because ContextMenu is not in visual tree, binding will not work. PlacementTarget 注解 ContextMenu 将此属性分配给 FrameworkElement. ParentTaskbarIcon Mar 15, 2011 · Another option is to set the column headers to a TextBlock (or some other control that can handle a ContextMenu). <ContextMenu DataContext="{Binding PlacementTarget, RelativeSource={RelativeSource Self}}"> Mar 17, 2016 · 1: Yes, CommandTarget controls where the RoutedCommand starts routing from. e. If the source object of Command binding is not on ListView (in Jun 6, 2016 · I have the following problem. Oct 27, 2010 · A few things to keep track of: Ensure that the DataContext of the ContextMenu is valid. WPF How to catch ContextMenuClosing event. Nov 13, 2014 · private void btnView1_Click(object sender, RoutedEventArgs e) { (sender as Button). [<System. Mostly you will find a binding path like PlacementTarget. I'm using the same method that's been working for all my other command bindings, but I can't figure out why it doesn't work here. So I don't think I'm having binding problems or datacontext problems. PlacementTarget; Dim cm As ContextMenu = CType(sender, ContextMenu) target = cm. Use the context menu to access the cell selected in the DataGrid, and use the value of the cell for further work. so you may not simply bind to the parent element's view model. PlacementTarget = (sender as Button); (sender as Button). SaveToClipboardCommand, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/> Mar 3, 2017 · The ListBox is not a visual ancestor of the ContextMenu because the latter resides in its own visual tree. This is the step I got Jun 1, 2023 · In this article. May 23, 2016 · The above works, but will allow right-click and the ContextMenu anywhere in the DataGrid. Note: This is NOT a WinForms App, it is pure WPF. 到目前为止,ContextMenu 已经在右键单击它所属的控件时被调用。当我们将其分配给ContextMenu属性时,WPF 会自动为我们执行此操作。但是,在某些情况下,您可能很想从代码中手动 Nov 17, 2015 · Ok, I have found the problem thanks to Ilan's suggestion in the comments of using snoop utility. On the other hand, when I put a ContextMenu object to the parent of myHost1, which is a StackPanel, the PlacementTarget is still nothing, which seems to suggest it is not WindowsFormsHost's problem. But when you set IsOpen manually, PlacementTarget is still null. As @mm8 pointed out, this has to do with the ToolTip and the PlacementTarget being in different visual trees, since a ToolTip spawns a Window of its own. These properties behave the same as they do for a Popup . Commented Sep 28, Sub-context menu for WPF. cmPopupTool. From there, I simply find the ContextMenu instance within the window resources and then I do two things: I set it's PlacementTarget property, which tells WPF which element it should calculate the position based on, and then I set the IsOpen to true, to open the menu. You have to use RelativeSource. PlacementTarget You should be setting the ContextMenuService. I am having some trouble figuring out how to set the correct DataContext on a ContextMenu. private readonly ObservableCollection<BitmapImage> _imageList = new ObservableCollection<BitmapImage>(); public ObservableCollection<BitmapImage> ImageList { get { return _imageList; } } 하지만 WPF에 더욱 적절한 방법은 Commands를 사용하는 것입니다. Oct 21, 2016 · I have a context menu to show up manually by pressing the hotkey ctrl+menu. Here is how you do it: <ContextMenu x:Key="VScrollBarContextMenu" x:Shared="true"> <MenuItem Header="{DynamicResource ScrollHere}" Command="ScrollBar May 11, 2016 · Define this in a XAML resource dictionary that's merged into App. This Menu Item is bound to an observable collection of Menuitems(_childFilterMenuitems coming from an object Jun 12, 2013 · If I get the ContextMenu or MenuItem as sender, I can get the PlacementTarget and I know what the user clicked on, but that only works if I define the CommandBinding in the XAML definition of the ContextMenu -- which means copy'n'pasting that whole block of XAML in every ContextMenu where the command is used, and redefining the handlers in Jan 14, 2022 · I'm trying to create a ContextMenu on a UserControl derived object. Register("Data Sep 20, 2023 · Dear @Hui Liu-MSFT , thank you for the answer, it really solves me issue. This also seems to be fine as the context menu show up correctly. Focus() to ensure that it receives keyboard input, e. I have a ListView with a list of users and I want to add a ContextMenu to this ListView. archive. PlacementTarget is not getting set, no idea why. Windows. I want to use this contextmenu as kind of a 'base context menu' providing cut/copy and paste from a composite collection resource. Jul 25, 2011 · The problem: until I actually opening context menu, the PlacementTarget of the context menu is null. (Inherited from FrameworkElement) Cursor: Gets or sets the cursor that displays when the mouse pointer is over this element. On Combobox's SelectionChanged event I want to know which label's contextmenu Dec 4, 2013 · ContextMenu is defined to display few menus and when one of them is being clicked the ContextMenu internally sets the IsOpen to false. 11. But it has some odd effects. PlacementTarget = rtb ' This uses HorizontalOffset and VerticalOffset properties to position the menu, ' relative to the upper left corner of the parent element (RichTextBox in this case). Then you can access this property through the PlacementTarget property on the context menu, which is set to the corresponding TreeViewItem. Allow me to ask you another question regarding this task. PlacementTarget : System. DataContext property this is set to the Tag property of the PlacementTarget, which is the control that the ContextMenu is applied to, or in this case, the Treeview. As I want to open the context Menu with the 2 mouse buttons, To work around the problem, I added the following line of code: this. Aug 28, 2020 · A ContextMenu is is not part of the same visual tree as its associated control, so RelativeSource bindings do not work. From Lavel, its parent Treeview is accessable. The Reason I'm using RelativeSource here is because when it comes to passing parameters in menuitems, most of the time at this level you can't reach the datacontext of the page. ContextMenu contextMenu. So, get the DataContext explicitly and bind with command like this: Jul 27, 2011 · So there's some magic that WPF does. I have a collection of view models who are the source of an ItemsControl. Placement="Bottom"> <Button. WPF Context Menu command Binding. Each view model has a collection of items which are also the source of another ItemsControl. Binding to a MenuItem in a WPF Context Menu. May 16, 2010 · A context menu is not part of the same visual tree. Ancestor bindings dont work as the context menu is not a child of the element it is on; in your case the datagrid ContextMenu trong WPF. How to get the PlacementTarget on WPF Context menu when item click using MVVM pattern. Mar 12, 2021 · Update for your comment. ContextMenu property, the ContextMenuService changes this value of this property when the ContextMenu opens. However, it could not find further. What also helps is listening to ContextMenu. Aug 27, 2010 · メニュー項目が入れ子になっているために機能していないことがわかりました。つまり、PlacementTargetを見つけるために余分な「親」を上に移動する必要がありました。 Feb 5, 2018 · I like to use a BindingProxy for this (as described in this SO answer). 2. Bind the Tag property of a TreeViewItem to the DataContext of the parent TreeView instead. If you haven't worked it out yet, this means that the DataContext of the ContextMenu is now set to the same object as the DataContext of the TreeView. So why not set it for each item? Then it works expectedly. Placement attached property on the button, as stated in the remarks in the documentation for ContextMenu. ContextMenu. <ContextMenu Placement="Bottom" PlacementRectangle="30,50,0,0"> Remarks. So I have the following code to do this: May 25, 2010 · When I first read this, I didn't realise that you have to bind to your datasource via the ContextMenu. PlacementTarget = this. Attach Context Menu from App. Apr 21, 2017 · What I'd do here would be the following: create context menu separately and assign it to every "connection" object on the UI; handle MenuItem. Try setting the datacontext of your context menu to its placement target. They exist outside the visual tree of your control, hence they can't find your element name. ViewTaskProperties}" CommandTarget="{Binding PlacementTarget, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Dim cm As ContextMenu = CType(ContextMenu. Aug 13, 2018 · How to get the PlacementTarget on WPF Context menu when item click using MVVM pattern. BUT if you MUST use ContextMenu for whatever reason here is a workaround: I create a style than I bind it to a DataGrid. as the context menu is hosted in a popup, which does not inherit the data context from it's parent as it is a separate root element. But when the Command is triggered the SelectedItem is always null. The problem is you cannot change the PlacementTarget of the the ContextMenu once it is set to the ListBox. It's easy to define a context menu as a resource, but if it's a resource, you need to do extra work to let it know what its context is. ContextMenu 属性时, ContextMenuService 会将此属性的此值更 May 24, 2019 · Here is what I did using WPF / C#: Use DataGrid to display data from a DataTable. OriginalSource, MenuItem)), ContextMenu) Dim placementTarget As UIElement = cm. 4. ComponentModel. Click clicks event for every menu item May 28, 2021 · 一、ContextMenu 如图,基本样式结构 <Style TargetType="{x:Type ContextMenu}"> <Setter Property="Template"> <Setter. If I use the left mouse button in the event, that's when the problem exists. Change your binding like this, <MenuItem Header="{Binding PlacementTarget. OK. Dec 1, 2020 · To make the context menu appear, in my C# code, I added the click event to the test button. The solution is to utilise a Tag property in the item DataTemplate to hold the data item. May 10, 2017 · I'm trying to get the following behavior: When I right-click on My button it should open a window with buttons. UserControl with a ContextMenu Feb 6, 2023 · Dim rtb As RichTextBox = TryCast(sender, RichTextBox) If rtb Is Nothing Then Return End If Dim contextMenu As ContextMenu = rtb. Sep 11, 2014 · here is solution for the 2nd problem. <Button. PlacementTarget property (rather than, say, anything else sourced via the RelativeSource extension), as that's the way to get back to the containing control's visual tree. You should be setting the ContextMenuService. Jul 3, 2013 · I have a ContextMenu on a Button that I'd like to open on a MouseEnter event, instead of on the default right-click event. I understand that that ContextMenu is in fact used for the selected item. Now I want to bind the command of each ContextMenu to the same command in the MainViewModel and get the item text in the Execute function of the command. g. PlacementTarget = this, and then IsMenuOpen = true to have it show up. test,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=ContextMenu}}" /> Apr 6, 2011 · I'm fearing that a ContextMenu for each row is overkill even though I'm creating the menu using the ContextMenuOpening event, sort of a "lazy load" for the context menu. 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<UserContro… Oct 22, 2012 · Setting the context menu's Placement, PlacementRectangle and PlacementTarget properties doesn't seem to do anything; the context menu insists on hanging off the cursor wherever I right-click my button. I tested the command with other ContextMenu側の実装はTreeViewのときと同じで良いのでそのままです。 DataGrid側の方も、TreeViewのときの実装と同様にTagにDataGrid本体のDataContextを設定し、Resourcesに定義したContextMenuを指定しています。 Oct 11, 2013 · I have a list view that displays a collection of items, each item has as its underlying data a view model (MVVM). WPFのユーザーコントロール内の一部(ContextMenu)を ユーザーコントロールの使用元から変更したいのですが、 上記実現する方法が不明なので質問させていただきました。 Feb 27, 2011 · <ContextMenu DataContext =" {Binding PlacementTarget. 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. ContextMenu or FrameworkContentElement. 5 When setting contextmenu via style setter, PlacementTarget property is null Oct 30, 2014 · I've just tried your code. btPopup; Feb 10, 2013 · <ContextMenu x:Key="MyContextMenu" DataContext="{Binding Path=PlacementTarget, RelativeSource={RelativeSource Self}}"> <MenuItem Header="Remove All" Command="{Binding Jul 2, 2013 · MenuItem can find ListView through ContextMenu's PlacementTarget. Jun 22, 2011 · You can use the Tag of the TextBlock to reference the TreeView's DataContext, then you can get it inside the ContextMenu using a relative source binding via the PlacementTarget, e. ContextMenu. ContextMenu> <ContextMenu > <MenuItem Header="Add Divider" Click="MenuItem_Click" /> </ContextMenu> </DataGrid. Apr 26, 2013 · I had to do some extra work to make my WPF context menu visible and hide AxPivotTable context menu. ItemsControlFromItemContainer (CType(e. {Binding PlacementTarget. Jan 17, 2011 · First I put a ContextMenu in the entire DataGrid and it works fine. However, that was probably just me being a bit slow and I've now got it Apr 21, 2011 · After discussing this in the comments this should work: // The binding source. ContextMenu> <ContextMenu> <MenuItem Header="Bar" /> </ContextMenu> </Button. I'm currently b ContextMenu. When I right-click Button 1. 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. I only want it to be available if you right-click on a row in the DataGrid. Right-Click one Student's name, then will show a MessageBox, it is ok in this way: May 15, 2014 · The binding works fine if I bring up the context menu normally from a right-click. The target of a ContextMenu is its parent. Sep 4, 2013 · This is a common problem in WPF. ContextMenu cm = (ContextMenu)sender; target = cm. And, of course, PlacementTarget needs to be set before your binding can work. When setting contextmenu via style setter, PlacementTarget property is null. Tag. 5. First, let's add this part: <DataTemplate DataType="{x:Type YourDataTypeXmlNamespace:YourDataType}"> <Border Tag="{Binding DataContext, RelativeSource={RelativeSource AncestorType={ x:Type YourViewsXmlNamespace:YourViewWhereThisIsDeclared}}}"> Mar 15, 2021 · WPFフレームワーク内では使用されません。 次にもう一つのポイントとして、 ContextMenu. Basically it is like this LABEL contains ContextMenu and ContextMenu conntains Combobox. IsEnabled = true; (sender as Button). 3. You'll have to use PlacementTarget of the ContextMenu instead. Here's my XAML: <Button Content="Button" MouseEnter="Button_MouseEnter" Oct 9, 2012 · Setting a WPF ContextMenu's PlacementTarget property in XAML? 4. The good news is that behavior should stay so and for any other customization you should take a Popup instead of ContextMenu. I need somehow to receive data context of the clicked ListViewItem into "CanExecute" of the command, BEFORE the command being called - and I truly wish to make everything in the XAML, without handling any callbacks in code behind. Make sure that IsOpen is a TwoWay binding. If the user opens the ContextMenu by using the mouse, Placement is set to MousePoint. IsOpen property because it is set to actual value only once it's open by right clicking on target control. May 12, 2017 · <DataGrid. Event before the Context Menu is opened. The DataContext for the popup comes from the PlacementTarget, which is how the bindings work most of the time, despite the popup not being part of the tree. ), but it had an Attached Property called TaskbarIcon. Therefore i use this function: ContextMenu. Bindable(true)>] member this. Resources> < Jul 22, 2014 · I am fairly new to WPF MVVM so please have some patience. 다음 예제에서는 Context Menu를 사용할 때 두 가지 주요 개념을 보여드리겠습니다: WPF Command의 사용은 더 많은 것을 제공합니다. Nov 1, 2012 · I have a ComboBox control inside Context menu for some Label Control that I have added in Code behind in wpf application. Items. Nov 28, 2016 · WPF Context Menu command Binding. 1. . ContextMenu with Commands and icons. : Dec 5, 2018 · いつもお世話になります。 前提・実現したいこと. ParentTaskbarIcon from the TaskbarIcon, so i binded the ContextMenu's DataContext to the TaskbarIcon. The following examples show how to use the PlacementTarget property to find the parent of a ContextMenu. (Inherited from FrameworkElement) CustomPopupPlacementCallback Nov 20, 2019 · I use PlacementTarget to get the caller – Mike. Dynamically create Nov 17, 2014 · I have a context Menu on my ListView with FilterBy as one of the Menu items in it. The ContextMenu should have the ability to edit Jan 26, 2014 · PlacementTarget is null when you manually set ContextMenu. Should I only use one ContextMenu for the datagrid? But with this I would have some more work regarding the click event, to determine the correct row, etc. You can position a ContextMenu by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffsetProperty properties. Value>; &l Jan 26, 2018 · private void Copy_Click(object sender, RoutedEventArgs e) { MenuItem mi = sender as MenuItem; ContextMenu cm = mi. WPF - Getting position Feb 26, 2018 · When the ContextMenu is assigned to the FrameworkElement. UIElement with get, set Public Property PlacementTarget As UIElement Property Value Setting a WPF ContextMenu's PlacementTarget property in XAML? 5. So I tried to edit DataGridColumn's DataTemplate with a TextBox which has a ContextMenu. If you're going to attempt left click opening, remember that the PlacementTarget is not valid, so you'll have to set Button. Unfortunately when I right click in the TextBox it's ContextMenu's ItemsSource seem to be Jan 3, 2020 · The problem is that, apparently, PlacementTarget doesn't get set until you right-click. What I would like to do is display different menu items within the context menu wh Feb 3, 2017 · The ContextMenu isn't in the same part of the Visual Tree so that's why you can't use ElementName etc. 0. If you are using the same RadContextMenu for multiple elements and you want to open it from the code behind, it is mandatory to set the PlacementTarget. xaml, so it's available throughout your application. Opened and then calling CnotextMenu. You can specify the position of a Popup relative to a control, the mouse, or the screen by using the PlacementTarget, Placement, PlacementRectangle, HorizontalOffset, and VerticalOffset properties. Jul 28, 2016 · The PlacementTarget is a link to an element of the visual-tree. The ContextMenu appears and I am able to select from the menu items, but the command won't execute. Your RemoveItem command is defined in the code-behind of your window. met hbyy edvg cnfoi osci mjkm oge wjqdcfz bdedna ajjs