Wpf contentcontrol usercontrol. UserControl click event is slow.

Wpf contentcontrol usercontrol MouseDown and MouseUp events are fired by UserControl. Modified 12 years ago. In my apps with side menus I have the main window with side menus populated and responsible for navigation, connected to In your MainViewModel make a property eg "DisplayViewModel" with the basetype of your vm1 and vm2. ContentControl will attempt to show whatever the value of it's Content property is using a ContentPresenter. The post covers dependency properties, and how to manage DataContext inheritance. Pete's ContentPresenter is doing the same thing as it does in your example. Extremely slow resizing of WPF UserControl. Row=" 1) UserControl code is irrelevant. It works in WPF UserControl does not show. In every control in the UserControl except the UserControl itself and the textbox set Focusable="False" Add private bool dont; to the UserControl's code-behind and set it to True in the beginning of btnOpen_Click and set it to False in its end In the UserControl and the TextBox add LostFocus="UserControl_LostFocus" Have been trying for a few hours to understand why my UserControl isnt showing up. Only these navigators have NavigationService to navigate contents. I want to add 'Go back' functionality on top of it for one UserControl. I also declared a contentcontrol on it. Markup. WPF datagrid binding too slow. If I start the WPF the window the first usercontrol should be shown. Otherwise the OP would use the term "Window" in the subject. LabeledComboBox" > <UserControl. LocalizationCategory. On a "Next" Click the secound usercontrol should be shown and so on. (In MainWindow. My problem is I cannot write the event handle for MouseEnter because I can't address the members of a ContentTemplate like a regular UserControl. In a 630 x 400 Window, I'm loading there XAML elements: menu at top; dynamic user control; footer at the bottom; The problem is that when I set the background of the UserControl, the color only goes down as far as the content. I don't often use more than one Window in WPF because I prefer to put dynamic content in I am fairly new to WPF and I am having a problem with inheriting from a user control. Creating a Custom ScrollViewer using WPF UserControl. This will prevent it from reusing DataTemplate instances in the fashion described without affecting any other Well, as Im seeing in WPF Microsoft made a re-thinking about windows properties and behaviors, but so far, I didn't miss anything from olds windows forms, in WPF the controls are there, but in a new point of view. Or rather UserControlLevel1 works properly within UserControlLevel2. The DockPanel contains a top-aligned "title" TextBlock, You may create control that I'm trying to build a small navigation system in my WPF application. Now i want give a ControlTemplate to this ContentControl. WPF has two navigators: NavigationWindow and Frame. I would suggest you to further explore the Content Controls in WPF. And the ContentCotrol. Here's the very simple code for ViewModelA. How to load and refresh user control on button click. Hot Network Questions How much power can I obtain by converting potential/wind energy using propeller as generator like RAT/Wind turbine The ContentControl will be used in the following UserControl called UserControlLevel2. This article explains the Content Control class in Windows Presentation Foundation (WPF). i have two option to that. That means I want to disappear the menu and show a new content (the UserControls I mentioned before). Then have a ContentControl where your content will show <Grid > <ContentControl Content="{Binding MyContent}" /> </Grid How to fire Unload event of Usercontrol in a WPF window. Wpf xaml inheritance. My issue is that when my UserControl is in a ContentControl, when I call the LogicalTreeHelper. You should rather expose a POCO data object called @foreyez: I was assuming you weren't inheriting from ContentControl. I want that it looks like a normals wizzard. WPF ContentControl not showing user control (which should be bound by DataContext) Again, I apologize in advance for any mistakes, English is not my native. So the question is: Wpf UserControl Width and Height Not Taknig. So finally, the Button? Well for that we need an ICommand in the main view model that is hooked to a Button in the main view and I recommend using the RelayCommand. The WPF XAML Framework and UWP XAML Framework have some different design. Dependency Properties need to be created in the Button is derived from ContentControl, which is declared like this: //Declaration of the System. The attribute defines the default . ContentProperty("Content")>] type ContentControl = class inherit Control interface IAddChild Public Class ContentControl Inherits Control Implements IAddChild Adam Nathan - WPF Unleashed 4. [<System. I'd also add that content control can be used to display user controls. s. Another set of content control classes derive from HeaderedContentControl class which User controls, in WPF represented by the UserControl class, is the concept of grouping markup and code into a reusable container, so that the same interface, with the same functionality, can be used in several different places and even This blog post provides step-by-step instructions for creating a user control, which exposes bindable properties, in WPF and Silverlight. You may take a look at this & this to master the details. Trying to get a WPF UserControl to Inherit a Class. you can create a simple WPF application, in the main window add a button, in the click event of the button put a for loop in which you instantiate a usercontrol, run the application and watch the memory increasing ( it depends of the size of your usercontrol) – I have this little UserControl, it's just a button. I don't see why my code wouldn't work. Here, I give thanks to @Mario again Place ScrollViewer inside a Grid. This enables you This article explains the Content Control class in Windows Presentation Foundation (WPF). One way to do that is by bringing the button from the UserControl to the MainWindow itself. WPF write ControlTemplate for a ContentControl when its content type is UserControl. Edrawing API - Content of the "ContentControl" must be a single element. Later, I replaced the instance of B in A by a different instance of B (the one with my viewModel) but I probably forgot to tell the visual tree about the change, therefore visualy it still showed the old B instance whose binding did not lead anywhere. I have a WPF application in which i have this user control . User control's may require Dependency Properties that can be set my Parent View. C# Case 1 : ContentControl with UserControl binding. MVVM. xaml x:Name="myWindow"&gt; &lt;Gr How to use WPF ContentControl 's content with DataTemplate. Also, get rid of the <UserControl. Do you just want to be able to roll up a bunch of properties for the Canvas into some kind of bundle, and reuse them together? That can be done very easily, but I would do it with a Style instead. You should use it when you want to pop up an entirely new window. The most significant difference is that ContentPresenter has the By the way, an answer from PeterFleischer-3316 gives a good MVVM sample of using contentcontrol and set the content to the user control, you can refer to it. ShutdownStarted. I'm trying to new up a usercontrol of type ViewA in the code behind and assign it to my MyContent, which is the ContentControl. Converter" x:Name Or use binding. Binding viewmodel to view has usercontrol with own viewmodel. The XAML: < WPF UserControl doesn't inherit parent DataContext. <DataTemplate DataType="{x:Type local Now, we create a simple calendar UserControl and bind it to a CalendarViewModel. In the main program the UserControl is a ContentControl containing a TextBlock and in the code there is some rendering to display tickmarks. I set a new instance of a usercontrol with a big ram allocation in the contentcontrol in the mainwindow. MainWindow ViewModel Then you need to bind to that InnerContent on the XAML side of that UserControl. The DataContext should be passed in by whatever is using the control, not defined in the UserControl :) Edit. ContentControl is a specialization of Control which allows for a single element to be inserted as content. GetWindow(this); window. Windows Store App - Use Progress Bar in a Download Class. You will need to know the type of the Parent property to remove yourself from your Parent control. Remove(this); WPF Usercontrol performance vs window performance issue. For now, Happy coding to all. WPF: data in DataTemplate not getting loaded when used with ContentControl. In practice, you'll often create a SelectedItem property in the collection view model - if, for instance, you're implementing commands - and bind both the selected item in the list box and the content of the content control to that property. Here is how I add TabControl to MainWindow. I have tried to use the ShutdownStarted event, but it does not seem to fire for every control. Control. I may be miss-understanding your question, but you could create a custom UserControl, and whenever you need to add a new control, just create a new instance of that control and add it to your scene, this way you can use DataContext's to help with the data binding which you can use from the control your copying:. xaml MainWindow contains the following ContentControl declaration: I have multiple "states" where each state is just UserControl with different functionality like display video or image and some different stuff, and user is able to create a list of states and change background of main window where ContentControl with actual state is placed. For example Purple or Pink. In the above samples the Content type is UserControl. I need to create a UserControl, which is hosted within a "parent" ContentControl who is set with "Center" Horizontal and Vertical alignment. Now i will clean up my ui and i tested to clear the internal collection in the usercontrol, the content of the contentcontrol set to null But the ram is on 140 MB. That would look like: I am thinking about writing a WPF User Control for my application. MainWindow. <UserControl x:Class="SGDB. Hot Network Questions How do 737 airstairs operate on standby with BAT switch OFF? A custom control is a control that is derived from one of the WPF control classes (E. that would still let me use the designer and even raise events that the maineindow could bind to. Focus() on the This is a common pattern in WPF that is used by a lot of the built in controls deriving from ContentControl (1 piece of child content), HeaderedContentControl (2 pieces of child content), or ItemsControl (a collection of n children). WPF: template or UserControl with 2 (or more!) I am trying to create a "titled block" UserControl in WPF/XAML, with the following behaviour: The control itself is a Border containing a DockPanel. You should be assigning the ClubRules to the Content of the one that is being displayed. private MyViewModelBase _displayViewModel; public MyViewModelBase DisplayViewModel { get { return _displayViewModel; } set { _displayViewModel = value; OnPropertyChanged("DisplayViewModel"); // Raise PropertyChanged } } Here is a complete example of deriving from ContentControl to accomplish what you want: Creating Customized UserControls (Deriving from ContentControl) in WPF 4. Is it possible to initialize a UserControl as a StaticResource to be used inside a ContentControl. There I have a custom wizard control WizardControl deriving from UserControl which has a dependency property called Pages with a data type of my custom class collection called WizardPageCollection. I had an instance of a UserControl A that had this UserControl B as a part of its content. FocusedElement="{Binding ElementName=login}" to my main windows definition. The . I'm making an MVVM app, and I want to dynamically change views using ContentControl in the MainWindow, here is a necessary part of the code to understand: I'm developing an app in WPF and I need to change in runtime a content of a ContentControl depending than the user selected on ComboBox. UserControl click event is slow. Content> <Binding I'm new to WPF so this may be a stupid question but here it is. Add the attribute: [ContentProperty("Name_Of_Your_Dependency_Property")] on top of your UserControl class. To your actual questions: Everything. <UserControl x: WPF ItemsControl vs contentControl question. The Content Control class represents controls Below I will demonstrate both solutions: using a control template for ContentControl, and using a full fledged custom control. I would like to include it with this code: <UserControl1 Header="Heading"> Content --> <ContentControl> <ContentPresenter/> </ContentControl> </StackPanel> </UserControl> How to use ContentPresenter properly in custom WPF UserControl. The following WPF UserControl called DataTypeWholeNumber which works. Starting from a specific UserControl, By example, if one parent is a Tab, I select it by example. Make the user control have all the headers and then make ItemsControl the content of the UserControl. I have two UserControls and at my combo exists two itens, corresponding each one each. One way to mediate is for the main window to be the mediator: it listens to events from the children and then routes them to their required destination. public UserControl1() { InitializeComponent(); this. Change System. I'm not sure what you really want here is a UserControl. In a WPF application, I've a ContentControl. The choice made in the combo box should determine the data template the content control would use. Since you're using MVVM, you can alternativly put that kind of logic in the view model. I'm on writing a simple application, it has a menu and when user choices each MenuItem, i want to change my window's content to display the selected content. Naturaly, A created an instance of B upon its creation. RowSpan="2" /> Issue with applying style on WPF UserControl. Window size with a UserControl Content. How To improve wpf user control performance? 0. Since I did not like to add another style trigger I used the property TargetNullValue which seems to be a bit more readable than the accepted solution (which works nevertheless): <ContentControl> <ContentControl. So how should I achieve this. So from where does the Gadget pick up its style? In WPF and Silverlight, there exists the concept of a generic or default style for a control. – Kent Boogaart. I add a ContentControl and set its Content property to the Binding. Wpf - Update custom user control at runtime. Creating a Base-UserControl. These control usually have a single cohesive purpose <UserControl> Your custom WPF content </UserControl> I don't totally agree with the article. User Control as container at design time. Normally I: DataContext="{Binding RelativeSource={RelativeSource AncestorType=ContentControl},Path=DataContext}" In this way the context of template is the same with the content of his parent and I can acces his members. You can use a ContentControl, with a DataTemplate to bind the UserControl (View) to the ViewModel : <DataTemplate DataType="{x:Type vm:MyViewModel}"> <v:MyUserControl /> </DataTemplate> <ContentControl Content="{Binding Current}" /> WPF will pick the DataTemplate automatically based on the type of the Content On startup the application uses 34 MB ram. ContentControl, when used directly (it's supposed to be used as a base class), has a control template that uses ContentPresenter to display it's content. public class ChartBar : Yes, this fixes the issue of the UserControl not showing, thanks! I also discovered this fixes it as well: <ContentControl Content="{Binding CurrentViewModel}" ContentTemplate="{StaticResource By default it uses a StackPanel to contain its child elements, which disallows stretching in the stack direction (Vertical by default). However, in my current approach the TextBlock is not shown when I direclty assign the Content of the user control. Readability. Related. MyControl newControl = new MyControl { However, I cannot load those user controls async in order to display the animation, which waits until the usercontrol is loaded. It has one Content property, of type Object. Net. How to pass Parameters from xaml window to WPF usercontrol constructor? I have tried creating dependency property, but it fails to do it. None, Readability=System. 0. View <Grid Background="{StaticResource ResourceKey=baground}" > <DockPanel > <UserControl x:Name="container" ></UserControl> </DockPanel> </Grid> I need to add an event that is raised when the content of container change : How can I trigger routed commands implemented inside a UserControl which is nested inside a ContentControl? What I basically have is an outer view (derived from UserControl) which contains: 1) A In WPF, adding UserControl C# object from ViewModel to View. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company ContentControl to the rescue. WPF ContentControl not showing user control (which should be bound by DataContext) 2. Orders is shown in MainWindow and when I click on an button, Order UserControl should be shown in the same Standard disclaimer for people coding WPF like it is WinForms: First off; direct UI manipulation like this is a bad idea. DataContext> in your UserControl. User controls, in WPF represented by the UserControl class, is the concept of grouping markup and code into a reusable container, so that the same interface, with the same functionality, can be used in several It does not work because you are using a Binding with RelativeSource finding a ContentControl but UserControl is also a ContentControl, so what it found is actually the UserControl, not the root ContentControl you thought. It relies on the SecondaryContent being either UI stuff (like the second example in "Usage" below), or else a viewmodel with an implicit DataTemplate. Note that you'll need to alter your main view: <Grid> <!-- I have a custom ContentControl which has a fixed XAML layout like a UserControl (Rather than the usual applied generic template). In a typical UserControl, this single element is the root Grid. First it will try this: If the ContentTemplate property on the You're on the right track. When I look at the options for creating projects in Visual Studio, So in the end the UserControl is just a normal ContentControl which you can extend a bit and for which you can predefine the content. I want to use TabControl with MVVM. You should use the events: PreviewMouseDown and PreviewMouseUp. ContentControl WPF does not display Content. I just figured that in the Loaded event of the usercontrol, i can hook up my ParentWindowClosing method to the Parent windows Closing event. xaml file but with a ControlTemplate:. In the UC_GotFocus method i simply call . . We define our custom template in application resources: Then we use ContentControl in our window, Typical content controls include ToolTip control, Label control all types of Button control, ScrollViewer control and custom UserControl. When my main window loads I want to set the focus to this textbox so I added Focusable="True" GotFocus="UC_GotFocus" to the UserControls definition and FocusManager. Commented Dec 11, 2016 at 9:51. That would remove the extra Border as well. Here is the setup: public partial class MyUserControl : The Problem. The Image Source DependencyProperty will automatically set the inner Image control's source whenever it is updated. Filtering bound controls in WPF. Add multiple XAML based WPF control to Canvas dynamically in VB. Except I can't make it work. public class Class1 : UserControl { public ContentControl Content1 { get { return (ContentControl)GetValue(Content1Property); } set { SetValue(Content1Property, value); } } // Using a DependencyProperty as the Now, I want to use my usercontrol in a WPF application, but I have to add ResourceDictionary file again in my projet! If I don't add it, it brings the Key="ItemStyle" TargetType="ContentControl"> <Setter Property="Width" Value="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType={x:Type I'm trying to pass int variable from MainWindow. I want to create custom WPF control that has a single "child" control inside. The user control is printed, "> <ItemsControl. I'm looking to set a UserControl to be the Content of another UserControl in XAML, <ContentControl> <ContentControl. First usercontrol: I want to insert user control to itemscontrol in wpf using prism. How can I get the reference to IComponentContext into a UserControl that is declared in the initial View's XAML? I feel that I either need Autofac to somehow create my UserControl, that I need to revert to the discouraged Global static container (ick), or I have to use a DependencyProperty to pass the container down (also ick). Make it bind its Content property to a DependencyProperty on the code-behind of your UserControl. ? Short answer: Use a ContentControl and bind its Content property to the UserControl: <ContentControl Content="{Binding GraphicCtrl}" /> As others have already mentioned, exposing a UserControl from a view model is not MVVM though. I declared also a few usercontrol with different ui elements. WPF and MVVM: bind UserControl to XAML dynamically. public void SwitchPage(string pagePath) { MainContent. xaml in themes and add a Content Presenter to your control template. It works great but the issue is when user changes bg color to lets say white then during Here's how I would do this. Introduction. ContentControl class WPF - UserControl inheritance. Many of the Dependency Properties will be sh I've created a UserControl. I drag it from the toolbox, and it You are creating a new MainWindow() instead of using the one that is being displayed. I want to do some cool things with it like capture a gesture and other things one would want from a custom control. WPF - reuse UserControl with different settings depending on value of attached property. What you want to do can be solved in a nice way using it: First, you should have a MainViewModel, and a ViewModel for each different view And here is what the UserControl XAML looks like: <UserControl x:Class="CustomControls. I would appreciate any help. To establish the link with the view I have a datatemplate that establish the relationship between both of them. Scrollable Control in ScrollViewer WPF. Now WPF will render our views whenever we set the relating view model as the value for the ViewModel property. The ram goes up to 900 MB. i can add a <Frame></Frame> to my window and write some pages. GetParent what I discovered (after some hours of frustration of course!!!) is that if you do NOT have the focus on one of the Controls/Elements mentioned above the PreviewKeyDown event does NOT fire on the UserControl (stops somewhere at Frame level) but as soon as you put the focus (for instance calling ctrl. Hot Network Questions A UserControl inherits from ContentControl. when using MVVM, the idea is that the Parent View will eventually create a binding between the UserControls DP with Parent View's VM). By the way, depending on your exact requirements, you might get away with just using a HeaderedContentControl. e. RegionName="TestView"/> I see the final UserControl well until this step when i start the program. 6. I'm using this tutorial to navigate between pages. A small post to explain the little but important difference between ContentControl and ContentPresenter. Unreadable)>] [<System. – ProfK. By "don't work" I mean this scenario: suppose I have a Canvas with my custom control in it. RegionName="PersonDetailsRegion WPF own UserControl with ItemsSource Property. In a MainWindow. For example, if UserDataTemplate is Often this means you will see a ContentControl that has a Content property bound to a I want to display this in my View (xaml). Children. XAML: <UserControl x:Class="ViewA"> <UserControl/> <UserControl x:Class="ViewB"> <UserControl/> Code: How to change UserControl inside of ContentControl in wpf c# programmatically. I want to put, say, a Button inside my control. How to set height and width of a WPFで画面遷移しようとしてWEB検索をかけるとPageとFrameを使った画面遷移が上位に表示されます。これらは開発者が実現したい機能がない場合があるため、MVVMパターンとContentControlの利用を推奨します。 コンストラクタで初期画面を反映させる場合 大まかな流れ ①表示したいUIをUserControlとして For now, I'm trying to get it to work in a very simplified version with a ContentControl, but I cannot get it to update the screen when its DataContext is set. Control, ContentControl etc. This control hosts another "child" UserControl, which I would like to be as big as it can get I've got a usercontrol which defines a ContentControl like this: <ContentControl x:Name="PART_contentHost" Grid. WPF User Control Inheritance 3. Content, however depending on what determines what UserControl you want, there are multiple ways of accomplishing this. I think that if your are starting wit WPF you should learn to work with The MV-VM Pattern. Closing += window_Closing; } void window_Closing(object Using a ContentControl (for placeholders in multiple disconnected places): WPF UserControl with DataGrid, adding extra columns in XAML. Xaml i having a ContentControl like below, 2. I want the background of the UserControl to cover the whole UserControl of course. Will I have to place a contentControl in one cell of a grid? How to access that cell or ContentControl through Viewmodel? – user2330678. Localizability(System. I'm new with WPF and I was just doing a simple menu using MVVM with bindings and commands but I think I'm doing something wrong. Just keep in mind that with WPF you don't have to define a new CustomControl or UserControl every time you want to change the look and feel of something. If you can't see any Green you I would create two DependencyProperties, one for the Text and one for the Image Source. I also tried to Handle the MouseDown of the Window and Focus the Window there: In fact the UserControl lacks the property 'SizeToContent' that we have in Window. This is my current XAML for the custom UserControl: You could also put the logic into the user control itself to keep it a little more self contained. Windows. Loaded += UserControl1_Loaded; } void UserControl1_Loaded(object sender, RoutedEventArgs e) { Window window = Window. There are 2 UserControls and both have only one element, Label (ones Content is "View" other ones "Edit") 2) see 4) 3) Where do you see DependencyObject subclass? It's a DependencyProperty. UI. UserControl with datatemplated ContentControl throws binding errors when its DataContext changes. Update a User Control from MainWindow. ModernButton" xmlns:local="clr-namespace:SGDB. 1. ItemControl: Change Property Of Control in ItemControl Based On "Content" of Control. But when I click on an empty space, I would expect the Window holding the UserControl would get focus and my UserControl would lose it. Control Template and generic. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have searched a lot on SO and didn't find answer to my problems. In this ContentControl, I've a View. But this doesn't happen, even when I set the Focusable="True" for the Window. To bind directly to a control, use {Binding ElementName=foo, Path=SelectedItem}. 4) It's ContentControl with DateContext that binds to UserControlViewModel DependencyProperty in Project. (Inherited from ContentControl I have a window that has a StackPanel, and the StackPanel has a ContentControl, which gets a UserControl bound to it at run time. ; i can write some UserControls and put them in a ContentControl; as user fires MenuItem click event. ContentPresenter is used inside control templates to display content. I have a UserControl which contains a ContentControl, which in turn should present a UserControl depending on the view model which is set as DataContext. I just want to change all the Window Content importing a new UserControl I defined, everytime I press a Menu Button. Ask Question Asked 13 years, 4 months ago. Row="1" Margin="10" prism: RegionManager. Resources&gt; &lt;DataTemp 4) In your MainView. Further, you may use MouseEnter and MouseLeave events in order to address the visual feedback when the mouse is If @TomM's answer didn't work for you, add the x:Shared="False" attribute to your DataTemplate and then also add a dummy DataTemplateSelector whose SelectTemplate method always returns null to the ContentControl's ContentTemplateSelector property. Binding to UserControl DataContext: update ContentTemplateSelector when some properties change. This UserControl works fine, just the way I would expect. It depends on where you use your UserControl though. Now all you have to do is display the relating view model in your lower right display using a ContentControl: Dynamically set a UserControl in a WPF app with MVVM. 3. ContentControl. xaml) <StackPanel Margin="6,14,5,6" Grid. WPF XAML display content in a ContentControl. (Inherited from ContentControl) ContentStringFormat: Gets or sets a composite string that specifies how to format the Content property if it is displayed as a string. Ask Question Asked 9 years, 10 This ViewModel is the DataContext of the UserControl. Template> <ControlTemplate TargetType="{x: Type How can a WPF UserControl inherit a WPF UserControl? 8. Use a ContentControl in your view, just as the above example and inject the UserControl (with a constructor containing parameters as you wish) in the constructor of the window. xaml. You cannot reuse a DataTemplate defined in another Window or UserControl. Yes, declare a ContentControl in the XAML of your UserControl. &lt; In WPF we have window or usercontrol, and these are clear to me, however in universal app there is a page and usercontrol as well. That's the best way I have found to handle it on my WPF UIs. Wpf usercontrol with I want to create a user control that contains one combo box and a content control. Then you can do precisely as you did in your question. The Binding in the UserControl's XAML is supposed to bind to a property of the UserControl itself, not one of the current DataContext. And also set Background property on your UserControl for example Green. Controls. Here is what you should do when problem like your's appears. MVVMCross using Frame to have multiple Views on the same View - Biding dosen't work. Then just set the Content property of the ContentControl to the injected instance of your UserControl. I have a MainView that holds a single ContentControl, the ContentControl loads up a default usercontrol when the application loads. I have a bunch of WPF UserControl's that I have implemented a handler for ShutdownStarted, and it never gets called. Make sure this UserControl is not placed inside a ScrollViewer or any scrollable control. Viewed 13k times in this case we need to derive our lookless control from ContentControl class (instead of Control class). ContentControl is a base class for controls that contain other elements and have a Content-property (for example, Button). DataContext = this; } public string Title { get { return (string)GetValue(TitleProperty); } set { SetValue(TitleProperty, value); } } public static readonly In an MVVM architecture each UserControl needs to have its view model assigned to its DataContext, this keeps the binding expressions simple, WPF Usercontrol databinding with MVVM ViewModel. In winforms, "> <ContentControl Content="{Binding }"> <ContentControl. Pass ViewModel to UserControl. C# WPF ScrollViewer in UserControl doesn't work. Refresh WPF-Control by code. xaml to UserControl. WPF mainwindow content load from a page. Other way as suggested by @decoherence is by using the singleton pattern. As said above, the custom control logic is separated from it's visual presentation ; Use the control as a regular ContentControl. WPF controls performance issues with large amounts of data. <UserControl> <Grid> <ScrollViewer HorizontalScrollBarVisibility="Auto" I am just coming up to speed on WPF and would like to create a reusable WPF control. In case of any confusion, leave a comment and I will get back a. for Grid: ((Grid)button. The parent usercontrol looks like this: And when I click one of the three buttons at the bottom, a different usercontrol loads within the parent usercontrol, using the Since I stumbled upon this question and had the same problem today, I wanted to contribute another way how I solved the problem. I am not sure if it only works for Windows, or perhaps the WPF App class. I have a UserControl Orders and another UserControl Order. The goal is that when you click the ListBox Item "PrimeiraJanela" the ContentControl load UserControl1, The UserControl is actually inheriting the DataContext from its parent element. I am using MVVM in my application. In fact, you can use both VaW and VaD. Content (the 'KeyboardCriteria'). Controls" xmlns:converter="clr-namespace:SGDB. I'm relatively new to WPF and MVVM and the hardest thing I have found is how to simply switch a usercontrol or a view in an application. <ContentControl x:Name="ActiveItem" Grid. Row="1"/> In the viewmodel I will get a viewModel which will be displayed inside the contentControl. In this case you can specify some AncestorLevel as 2 (to find the second ContentControl): <TextBlock Text="{Binding A Window object is just what it sounds like: its a new Window for your application. This way my Usercontrol can be aware when the Parent window is being closed and act accordingly! Creating & using a UserControl. Dynamic user control change - WPF. When I attempt to specify multiple DataTemplates for use by a ContentControl so that the correct one (based on Type) is used, I end up with Content that is simply the Content's ToString() value. Content = pagePath; } MainWindow. ItemTemplate> <DataTemplate> <ContentControl Grid. ChartBar. A user control by definition has one child since it inherits from ContentControl. cs. You should be modifying a view model and allowing the binding system to update the UI. xaml: <UserControl x: Class Refresh WPF UserControl via XAML. 2. Use the MVVM pattern; WPF will work for you instead of against you. I could easily add a SecondaryDataTemplateSelector property to give the consumer more explicit control over how that templating happens. UserControl Code: Or you could define a DisplayContainer as a ContentControl without a . Everything was working fine until I tried binding the content of the custom button to the usercontrol content. a. WPF ContentControl not showing user control (which should be bound by DataContext) 0. Content Control is a base class that provides standardised functionality to WPF Controls. Similarly, the Text DependencyProperty will be setting the Text of the inner TextBlock control as well. Now if all you want is a ContentControl: Make a new CustomControl that derives ContentControl; Locate the generic. The MSDN doc I've linked describes the full logic that the ContentPresenter uses in determining how to best display the content it's been given, but these are the two most relevant points:. Here's a really crude example showing how different WPF controls can be shown in a single WPF window using ContentControl and binding (which is what a toolkit like Prism or Caliburn Micro does). p. I want do have a custom UserControl in WPF that basically only puts a caption TextBlock over the actual content (I call it 'AttributePanelItem' here. This helps the ScrollViewer to use the available space within Grid and if content overflows, it will show scrollbars. The only time you should need a CustomControl is if you want to add functionality to an existing Control or to create functionality that doesn't exist in any other Control. 22. How do I make a WPF control to change its size according the content in it? wpf; wpf-controls; autosize; Share. Now I want to make a UserControl called DataTypeDateTime and DataTypeEmail, etc. <ContentControl> <userControls:TestControl/> </ContentControl> OR like this [when i have PRISM system]: <ContentControl prism:RegionManager. After that tie the UserControl SizeChanged event to a method that forces the height and width of the UserControl to maintain an appropriate ratio. Parent). This works when I click on another UserControl. XAML Inheritance (not code-behind) 0. Based on your comment to an earlier answer about switching out the content of the StartPage by switching a ViewModel, you may be interested in looking at this post of mine. (Inherited from ContentControl) ContentTemplate: Gets or sets the data template used to display the content of the ContentControl. When I started programming with WPF I'm told that DataTemplate is the best way especially when it is compared with UserControl. you can then bind the IsSelected property of tree node to your viewmodel, then when IsSelected get set to true by wpf (when the use selects the item) you can do whatever you want. i. Improve this question. ) and has to be created in code. I'm trying to create custom button using the XAML thing, so this is what I have: ContentControl in a UserControl causes an exception. ( well we are implementing a MVP pattern on a WPF PRISM application). xaml &lt;Window. I think the OP was referring to a UserControl, which doesn't have a SizeToContent property. ViewModelB is identical, WPF Usercontrol, Hosting dynamic content for reuse of UserControl. ContentControl in ControlTemplate does not show Border nor Background. All Panel type parents (Grid, WrapPanel, StackPanel) have the Children property:. I've tried: public WorkspaceView() { InitializeComponent(); DataContext = new View(A); //Hoping that the DataContext will propagate down } 'KeyboardCriteria' is a public class, but I have also tried making this a FrameworkElement, Control and UserControl so that I could try to hook into the Initialized, Loaded etc events. Ok, so I'm relatively new to WPF and I'm having a bit of a problem with my usercontrol which contains a custom button. Try to set ContentControl's Background property to some disturbing color. WPF: public class Window : ContentControl, IWindowService UWP: public class Frame : ContentControl, IFrame, INavigate, IFrame2, Just wrap your ContentControl in a Border <Border Background="Yellow"> <ContentControl x:Name="chartScreen" Content="{Binding Screen}" /> </Border> If all you have in your UserControl is your ContentControl, just set the Background on the UserControl itself. ContentTemplateSelector is a custom selector class (below) which returns a DataTemplate based on the ContentControl. Column="1" /> 5) Finally, since your conductor is conducting Screens, you need to make them screens. So from You also in an UserControl may set dependency properties, thats make easier the job, because allow bindings and decoupling the app. But of course, if you app doesn't require dynamically content switching, it is fine to use VaW for the main window, or any other window. WPF UserControl inheriting another UserControl. Content will be a UserControl which is set from code behind like Once again, I'm still familiarizing myself with C#, WPF and general coding practices (it's been a couple years), so if using a ContentControl or UserControl here isn't optimal, (or mixing the two doesn't make sense) that information would be greatly appreciated; however, in this scenario, I'm more concerned with just getting this working until In order to do this you need something to mediate between the two view models. ContentControl in a UserControl causes an exception. For a single item use ContentControl (the base of things like Button and Label) instead: <ContentControl Height="600" Grid. G. There is however no TextFromParent property in that DataContext (because it is the MainWindow instance). Second, I found a few references to Dispatcher. Style> <Style TargetType="{x:Type ContentControl}"> <Setter Property="ContentTemplate" Value="{StaticResource ViewA} WPF content controls are extremely important to comprehend, since the content constitutes the most important aspect of a WPF application. Using trigger magic inside I have a UserControl which contains a TextBox. The ContentControl can contain any type of common language runtime object (such as a string or a DateTime object) or a UIElement object (such as a Rectangle or a Panel). It will allow you to see where exactly is your ContentControl and where is UserControl. I am passing it a value of path of User Control page, but it does not load the new page. public partial class DisplayContainer : ContentControl { public DisplayContainer() { this. Resources (one of the issues I found when I started working with wpf) But I think a template selector would do a perfect job you, especially if you can make it really generic and use it for other purposes I have this custom wpf user control: ShowCustomer. Commented Feb 12, 2014 at 18:01. Here we go. Commented Feb 18, 2011 at 20:51. &lt;ContentControl x:Name="MainContentArea" Content="{Binding This is my UserLogin UserControl. What I have is my MainWindows which is a normal WPF Window. When I'm debbuging myGridSize is always equal zero. 4. HOWTO override properties from a custom WPF UserControl. Focus() inside the UserCotrol's Loaded event handler) on one of the controls magic I have the following code to switch content of ContentControl in WPF. Yes, you can place any object in ContentControl. I could change pages to `usercontrol‘s if that would be easier to maintain. <ContentControl Content="{Binding InnerContent, ElementName=userControl}" /> Then when you use it instead of placing content in the UserControl directly and overwriting the existing content just add it to the InnerContent portion. Row="0" Content="{Binding CreateCustomerViewModel}" Grid. Subclassing ContentControl or UserControl works, but has one flaw: these controls don't work in designer mode. xaml you will need to bind your ContentControl to the conductor's active item property, which is, by convention, ActiveItem. yaoo darqzf ygbkent weume oplcm jxwx csbfr vjvtryg mam lcggvvu