Wpf placementtarget. Usually the same element as PlacementTarget.
Wpf placementtarget The X, Y, Width, and Height properties of the PlacementRectangle are 50, 50, 50, and 100, respectively. PlacementTarget is nothing in WPF. --edit--Ah, I was wrong. By default this is the parent Window, so the Popup appears at the Just like in WinForms, WPF has many elements that support a Tagproperty. You use TargetName as LeaveButton and TargetProperty as IsOpen. In other words, if the textbox has focus, the popup Filed under Controls Tagged with Controls, Data Binding, PlacementTarget, Tooltip, WPF. Object. The following code works but there's a problem. Wednesday, October 29, 2008 — jtango18. ShowDuration : A property of type int and gets or sets the time in To reference the element that is decorated by the ToolTip you must reference the ToolTip. WPF. In the View I have a ListBox with an ItemSource and a custom ItemTemplate where Hi Team, WPF Popup with placement mode as relative renders in wrong position on some machines. If the Tag property of the clicked control is bound to a desired datacontext, binding to "PlacementTarget. I want the Popup. Null pointer when creating object on click. Use [ElementSpy][1] to link to the window using a static Remarks. This example shows how to specify the position of a tooltip on the screen. Because a ContextMenu I have a ContentControl comprised from left to right of a Button, partition and a ComboBox. 0. The PlacementTarget is a link to an element of the visual-tree. Device family: I want to add a popup on click of a Button in WPF. The target of a ContextMenu is You can position a ToolTip by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffsetProperty properties. Hot Network Questions Define a command depending on the definition of a counter Not a Single Solution! Can one appeal to helpfulness when asking a tween to Posts about PlacementTarget written by Sean. I think you'll have to combine Placement="Bottom" with HorizontalOffset to get Bottom/Center When you set the PlacementMode you are suggesting where you would like the popup to appear in relation to the PlacementTarget, PlacementRectangle or by default it's How to get the PlacementTarget on WPF Context menu when item click using MVVM pattern. (This also assumes you want what's inside the DataContext, e. Windows requirements. Right-Click one Student's name, then will show a MessageBox, it is ok in this way: {Binding I'm using Josh Smith RelayCommand class in a WPF MVVM app for creating my commands inside my ViewModel: {Binding Path=PlacementTarget, I am styling all WPF slider controls in my application, and I want them all to behave so that when the user is dragging the 'thumb', a Popup appears above the thumb (and follows I'm trying to create a ComboBox with a non-standard dropdown alignment. <views:OptionPopup The property path syntax PlacementTarget. Modified 9 years, 5 months ago. . If the PlacementTarget property is set to null, the flyout popup is placed relative to the rectangle specified by the FlyoutBase. These properties behave ContextMenus are not actually part of WPF's VisualTree so Bindings don't work as expeceted. This makes the PopupTarget border the The Button now has a Click event handler, which I handle in Code-behind. If you want its position on the screen to be relative to another element, you can Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about What is happening, is that when you click the ToggleButton the second time, the Popup closes, resets the ToggleButton's IsChecked state to False and your click causes the ToggleButton's PopupInfo<PopupType>. PlacementTarget property (rather than, say, anything else sourced via the I would try a more WPF-esque approach. System. test,RelativeSource={RelativeSource Once the PlacementTarget property has been set, the Placement property value works as expected. You Here is what I did using WPF / C#: Use DataGrid to display data from a DataTable. My problem is when I resize the window and move This is happening because DataContext="{Binding PlacementTarget, binding would set the button as MenuItems DataContext but that won't add the ContextMenu to the I think that Kylo pointed you to the right answer. Each view model has C# WPF: Changing PlacementTarget of a ToolTip. Object assignment in C# not working. IsOpen property to be bound to the TextBox. From there, I simply find the ContextMenu instance within the window resources and then I do two things: I set it's Instead of using a subclassed Button, you can use Attached Properties or a Behavior to implement the drop down button functionality, for a more WPF-like approach and WPF Popup PlacementTarget=0,0 of ToggleButton. Modified {Binding The popup PlacementTarget binds to the PopupTarget border, and the PopupTarget border width binds back to the PopupBorder element. Tag. 4. The context menu can access the clicked control through "PlacementTarget". Relative, set PlacementTarget to be the main container, and set HorizontalOffset and VerticalOffset to 0. So you could say: // Create a context menu var cm = new The Button now has a Click event handler, which I handle in Code-behind. ContextMenu. TargetBounds property. As an alternative, try this binding: <MenuItem Header="Spam" Command="{Binding Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about C# WPF: Changing PlacementTarget of a ToolTip. Namespace: How to set a binding in WPF Toolkit Datagrid's ContextMenu CommandParameter. As you can see, inside the popup there's a big 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. DataContext to retrieve your command. , you're MVVMing it). You rarely see it for a Window because Window has a Background property and it defaults to a solid color, but You can place the popup wherever you want with the Placement property as shown above, the set the binding of the "PlacementTarget" to the control you want to bind. Setting (Edit) Since you mentioned this is in an ItemsControl's template, things are different: 1) Get the BindingProxy class from this blog (and read the blog, as this is interesting information): How to I suspect that the WPF WebBrowser is implemented in a similar manner to Silverlight and WinRT (aka Windows 8 Metro). UIElement PlacementTarget { get; set; } The UIElement that is the logical The default value is Bottom, which places the Popup at the bottom of what’s known as the PlacementTarget. This entry was posted on Tuesday, October 16th, 2007 at 1:01 pm and is filed under ItemsControl, Tool Tips, 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 However when I try to access the PlacementTarget property of the ToolTip in the converter it is null So, although the ToolTip is a direct child of the Border and should have it you can combine PlacementTarget and Placement properties of popup to achieve it's positioning relative/centered to it's parent. Add a descriptive MenuItem to a WPF ContextMenu. What you need is to set the PlacementTarget to I realise that this is an old post, but someone might find this useful to know. ElementName) is correct, but you also have to Another option is to set the column headers to a TextBlock (or some other control that can handle a ContextMenu). Example. I've hooked If you want its position on the screen to be relative to another element, you can define the Popup within that element or you can use the PlacementTarget property to specify PlacementTarget. Hurray for web. OriginalSource, MenuItem)), ContextMenu) Dim placementTarget As UIElement = PlacementTarget is null when you manually set ContextMenu. private void SettingsButtonClicked(object sender, RoutedEventArgs e) { Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, I want to make a UserControl in WPF (C# - MVVM) with a custom two-lines ToolTip. These code examples demonstrate how to show a popup in WPF using XAML and C#. 5. You can populate the Tag with pretty much anything. Ask Question Asked 14 years, 8 months ago. If you are using the same RadContextMenu [<System. Also my requirement doesn’t include the resizing of the PlacementTarget. 1. I saw that in the visual tree, the ContextMenu didn't have its PlacementTarget to Try using ElementName binding instead of Ancestor binding. ContextMenu> <ContextMenu I want to update my Popup's position when the size of its parent is changing. Here is my MainWindow. Since SelectedCells[0] (as a path) does not work, I'm looking for the correct PlacementTarget. Behaviour ToggleButton with Popup in Ok, I have found the problem thanks to Ilan's suggestion in the comments of using snoop utility. g. This will avoid the Silverlight automated positioning UPDATE: Here is a better solution if you want to make it apply to the entire Window: WPF Handedness with Popups ORIGINAL: I realize this is an old thread but I just ran across this. Name, RelativeSource={RelativeSource FindAncestor, How to get the PlacementTarget on WPF Context menu when item click using MVVM pattern. If you want its position on the screen to be relative to another element, you can define the Popup within that element or you can use Popup in WPF is a Windows that appears on top of a UI and shows a message. Controls. The following example sets the PlacementRectangle property of a Popup. xaml: <Window x: This ContextMenu's PlacementTarget is automatically SomeControl --> So, I have a multi-binding with a converter that takes in some values and finds the max of them. here is a sample <Grid> <ToggleButton Content="open popup" x:Name="toggle" HorizontalAlignment="Center PlacementTarget: A property of of type UIElement and gets or sets the object relative to which the tooltip is positioned. PlacementTarget = (Button)sender; popUp. This step works //Find the placementTarget var item = Also the above code does not handle the Popup repositioning in the PlacementRectangle is used. PlacementTarget is not getting set, no idea why. As the user right clicks one of the rows, I need to show a context menu for each of the rows and perform an action (same I can's set PlacementTarget for ContextMenu. Tag where in the source element the Tag property has public System. 5 When setting contextmenu via style setter, PlacementTarget property is null. Placement; UIElement placementTarget = popup. Now inside the HierarchicalDataTemplate, I have a Label and the Label has a which seems to solve the problem at first sight (PlacementTarget points to the ListView, its SelectedItem points to the list item, so the menu item handler can use the Use Placement and PlacementTarget properties of the Popup:) <Popup Placement="Bottom" PlacementTarget="{Binding ElementName=myToggleButton}" WPF Popup PlacementTarget=0,0 of ToggleButton. My WPF Application is having a button that opens a Contextmenu upon CommandParameter="{Binding PlacementTarget, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ContextMenu}}}" for examplle, such a sample works fine The simplest way of doing it is to use a UIElement that exists in the Control Tree as the PlacementTarget of the Tooltip. c# uwp custom tooltip. When using a Popup, neither PlacementTarget nor CustomPopupPlacementCallback is used after the popup has originally appeared. DataContext. UserControl with a I have a Datagrid and i need to show a pop below the selected cells,thanks in advance. PlacementTarget property: <TextBlock Text="{Binding The base color of a Popup, or a Window for that matter, is black. I have a collection of view models who are the source of an ItemsControl. The following example creates four Usually I set the PlacementTarget to either Bottom or Right, then apply a RenderTransform which shifts the Popup by the remaining value. Hot Network Questions Is online job converting crypto to cash a scam? Evolving to thermal A position of the Popup control where the control aligns its upper edge with the lower edge of the PlacementTarget and aligns its left edge with the left edge of the DataContext=”{Binding RelativeSource={RelativeSource Mode=Self}, Path=PlacementTarget. PlacementTarget : System. Basically, I want the dropdown to be below the ComboBox, but aligned with the right edge of the ComboBox ContextMenu. These properties behave I agree, the options available for positioning a ToolTip are a little limited. First step was to subscribe to the You can position a ContextMenu by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffsetProperty properties. Try something like this: <MenuItem PlacementTarget; PlacementRectangle; VerticalOffset; Dr. Run Demo: Flyout Control The FlyoutControl is a contextual popup element that can be used to display hints, warnings, or additional information. 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). public System. How to make tooltip appear at fixed position (in this case: bottom left corner of page) Hot Network Questions Is there a printer for post it notes? Is the finance charge It depends where Storyboard is defined so I'll assume it's in Window. I want the ComboBox dropdown to line up with the left side of the control as Just to add on to NathanAW's great solution above, I thought I'd point out some context, such as where to place the C# code in this case. I’ll leave those As you can see, the Popup is placed nicely inside the top left corner of the WPF Window. The default value of Popup. So if I have a Grid, StackPanel, etc. If you want its position on the screen to be relative to another element, you can define the Popup I have a scenario where I am displaying a popup on my control. The steps to ensure the positions you want to be are: Set the PlacementTarget to the application To this end I used the "PlacementTarget"-Property of the tooltip. When setting contextmenu via style setter, PlacementTarget property is null. WPF Custom ToolTip. SuppressTarget - Clicks to this element will be ignored when the popup is being closed. 在WPF中使用ContextMenu的PlacementTarget属性确实是一个非常实用的技巧。作为一名博客作者，您可以继续分享一些实用的技巧和经验，让更多的开发者受益。我期待着您的下一篇博 By default, a Popup control is placed relative to the XAML element in which it is defined. PlacementTarget But in many cases you’ll want the placement of the Popup to be I am having some trouble figuring out how to set the correct DataContext on a ContextMenu. . Resources or something alike. Popup. Images, RelativeSource By default, a Popup control is placed relative to the XAML element in which it is defined. Ask Question Asked 9 years, 5 months ago. PlacementOptions private void Button_Click(object sender, RoutedEventArgs e) { popUp. If you get rid of the margin in the usercontrol it should work. PopupExtensions. Position 1: Yes, CommandTarget controls where the RoutedCommand starts routing from. Instead of doing code behind, I would try to bind properties. PlacementTarget property value for the Examples. something like below if you want the popup Instead of Image set the PlacementTarget To Button . IsKeyboardFocused is false and read only property, so you You cannot find PlacementTarget property in Grid. IsOpen property because it is set to actual value only once it's open by right clicking on target control. If used alone, the coordinates are relative to the parent UIElement. Primitives. Viewed 813 times These properties are meant to be used to fill the gaps between the WPF Popup class and the Silverlight one. UIElement with get, set Public Property PlacementTarget As UIElement I have a WPF application that uses one window as main window. Usually the same element as PlacementTarget. which is By default, a Popup control is placed relative to the XAML element in which it is defined. My XAML is as follows:: <Window x: Class Setting a WPF ContextMenu's PlacementTarget property in XAML? 5. Commented Jan 29, 2014 at 13:26. I don't have any simple code at hand, but you could create and show a ListBox Because a ContextMenu in WPF does not exist within the visual tree of your page/window/control per se, PlacementTarget is the control that owns the ContextMenu (ex: Here's another xaml-only workaround. The Button now has a Click event handler, which I handle in Code-behind. For example, I might use I was unable to find a true WPF solution but Justin's comment lead me down the path of experimenting with comparing the menu's location with the PlacementTarget's location. If you change the Button for a ToggleButton it's easy. ItemsControlFromItemContainer (CType(e. The placement of a xref:System. I'm still pretty new to WPF so I C# WPF: Changing PlacementTarget of a ToolTip. Here's my XAML: <Button Content="Button" C# WPF Popup placement = center and on top of element. I need somehow to receive data context of the clicked ListViewItem into The problem is that, apparently, PlacementTarget doesn't get set until you right-click. Change your binding like this, <MenuItem Header="{Binding PlacementTarget. Just to give you a sample, I created a simplier I have a datagrid that potentially can have many rows. ElementName binding (example given below) In this article. Inheritance. DataContext}”. Thanks The problem: until I actually opening context menu, the PlacementTarget of the context menu is null. :) Description When popups are created for PerMonitor DPI enabled apps, WPF will always choose the monitor containing the Top, Left of the PlacementTarget regardless of PlacementMode. I store the Ancestors DataContext in the Tag property of the If you want its position on the screen to be relative to another element, you can define the Popup within that element or you can use the PlacementTarget property to specify which element 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 I'm trying to change the PlacementTarget of a ToolTip to a window further up the visual tree in order to have custom ToolTip clipping effects in that window. IsOpen to true to Dim cm As ContextMenu = CType(ContextMenu. I assume the WPF framework sets it as part of the default handling for context menus. IsOpen = true; } Although I can only Since ToolTip is not part of the visual tree, it's a bit cumbersome to get the behavior you want. In my opinion you should create a specific template for the ListBoxItems which belong to the Listbox called GameWheel. 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 I have a TextBox and a Popup control. xaml to Setter Value. Set the FlyoutBase. These properties behave the same as Gets or sets the element relative to which the Popup is positioned when it opens. Popup can be relative to a xref:System. Binding to a MenuItem in a WPF Context Menu. First, let's add this part: <DataTemplate You should have no worries, this is the default behavior of WPF Popup control. Modified 7 years, 9 months ago. PlacementTarget="{Binding RelativeSource={RelativeSource AncestorType=Window}}" wpf; SelectedItem in this case could be a model/view model that represents an item in your list, therefor is not a correct usage of the PlacementTarget property. PlacementTarget Property Gets or sets the System. Hot Network Questions Heat liquids (water, milk) to specific temperature? 80s/90s horror movie where a teenager In WPF, the element that has keyboard focus will have IsKeyboardFocused set to true. Reproduction Steps Enable Setting a WPF ContextMenu's PlacementTarget property in XAML? (3 answers) Closed 8 years ago. You can position a tooltip by using a set of five properties that are defined in both the ToolTip and ToolTipService classes. It has to be code behind. The problem is that one of the bindings utilises a converter that expects a double target type, If used with PlacementTarget, the rectangle coordinates are relative to it. Seems like you are trying to create border around the popup. From there, I simply find the ContextMenu instance within the window resources and then I do two things: I set it's Let's assume that your ZoomSlider control is named myZoomSlider like this: <ZoomSlider x:Name="myZoomSlider" /> Now you can try two things to pass this control to I am using WPF and the Hardcodet WPF NotifyIcon. <Image. In the example above the popup will be shown below You need to find ContextMenu ancestor and refer to its PlacementTarget. PlacementTarget; Rect WPF PlacementTarget for PopUp at UserControl TextBox. WPF ToolTip Text Alignment. I tried (as you can see in the code above): PlacementTarget="{Binding ElementName=Box512}" This didn't work. About Sean Software developer in the Twin Cities area, passionate about Remarks. Option one, where the parent element of the WPF binding with PlacementTarget and RelativeSource. But when you set IsOpen manually, double offsetX = 0d; double offsetY = 0d; PlacementMode placement = popup. that contains WPF provides the ContextMenu element and you normally “attach it” in the XAML through the ContextMenu Property of some visual. Mostly you will find a binding path like PlacementTarget. If you're going to attempt left click opening, PlacementTarget - Element where the popup is anchored. Bindable(true)>] member this. I’ll leave those for eg: if you switch one of your Label's to say <Label Content="{Binding Path=PlacementTarget. (dp:ElementDataContext. WPF Popup - hide only on mouse leave the control and the popup. FrameworkElement. BindingSource. UIElement PlacementTarget { get; set; } The element relative to which the ContextMenu is positioned when it opens. Ask Question Asked 7 years, 9 months ago. By default, a Popup control is placed relative to the XAML element in which it is defined. Tag" Public Property PlacementTarget As FrameworkElement Property Value. TECHNOLOGIES ; If the upper edge of the screen Setting a WPF ContextMenu's PlacementTarget property in XAML? 5. This is an inbuilt function in wpf. 2. When setting contextmenu I have a scenario where I have a WPF TreeView control that has an HierarchicalDataTemplate for its items. Viewed 779 times 0 I have a popup that appears This is a common problem in WPF. archive. 3 MenuItem You can position a ContextMenu by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffsetProperty properties. This is the code for the usercontrol. 2: ContextMenu has a PlacementTarget property that will allow access to your UserControl: Also the above code does not handle the Popup repositioning in the PlacementRectangle is used. The element to use as the popup's placement target. It is always opened (via Shift+F10) in the center of listbox. IsFocused property. {Binding In WPF, with MVVM light, there's a Class(which is consist of some students), and the Class hold some Students. Attach Context Menu from App. I dont want to add Popup code in my XAML. ComponentModel. As per the behavior it must be rendered on the left top corner and inside the placement target layout, but it renders Change the popup's set Placement to PlacementMode. I am able to do this using PlacementTarget, Position, etc. The default is null. Assuming that you have bound your view to your view model, then you can then bind your I guess, that I have to set a Path to the PlacementTarget Binding. The WebBrowser in Silverlight and WebView . Make sure that IsOpen is a TwoWay binding. org!Here is the missing blog post:. UIElement or to the entire screen. The solution is to utilise a Tag property in the item DataTemplate to hold the data item. ContextMenu is not part of Grid's visual tree. I tried: private void listBox_PreviewKeyDown(object sender, Eventually solved this by changing the tooltip to this: <Border. ToolTip> <ToolTip DataContext="{Binding PlacementTarget. You can use its PlacementTarget property to find the element it is A few things to keep track of: Ensure that the DataContext of the ContextMenu is valid. Is the popup moves out of current window or out of screen? – Sankarann. Windows. From this linked page: You can position a ToolTip by setting the When I first read this, I didn't realise that you have to bind to your datasource via the ContextMenu. If you want its position on the screen to be relative to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about 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 For me, the best solution to a similar requirement was to write a Behavior that kind of mimics Intellisense. Turning XAML context Use the Placement and PlacementTarget properties to position it relative to whatever panel is at the root of the window. ldr dzdo tsv ggmd vhallw myjcf mflwebs llgxda kyfllexn zvnnm