A planet you can take off from, but never land back. A Customer class is Data and will be displayed using a DataTemplate which could say to display the Customer type as a StackPanel containing two TextBlocks one showing the Name and the other displaying the phone number. They give you a very flexible and powerful solution to replace the visual appearance of a data item in a control like ListBox, ComboBox or ListView. Example: I want to show a button from rectangular to circle form => Control Template. How to understand "round up" in this context? But then why is ColumnHeaderTemplate defined using a DataTemplate resource? ' Finding the grid that is generated by the ControlTemplate of the Button Dim gridInTemplate As Grid = CType(myButton1.Template.FindName("grid", myButton1), Grid) ' Do something to the ControlTemplate-generated grid MessageBox.Show("The actual width of the grid in the ControlTemplate: " & gridInTemplate.GetValue(Grid.ActualWidthProperty . The main difference between styles and templates are listed below . Difference between Visibility.Collapsed and Visibility.Hidden, WPF DataTemplate/ControlTemplate and VS2008 designer, What is The difference between ListBox and ListView, Difference between SelectedItem, SelectedValue and SelectedValuePath. Light bulb as limit, to what is current limited to? Look at the FrameworkTemplate derived types: P.S. MIT, Apache, GNU, etc.) A ControlTemplate is essentially a description of a replacement visual tree, and can be set either explicitly on FrameworkElements, or as a part of a Style. What is rate of emission of heat from a body in space? In WPF there are 2 types of Templates, Substituting black beans for ground beef in a meat pie, Handling unprepared students as a Teaching Assistant. Each control ships with a default UI, defined in an embedded Control Template, which is shown unless replaced with an alternate template. Stack Overflow for Teams is moving to its own domain! rev2022.11.7.43014. What's the best way to roleplay a Beholder shooting with its many rays at a Major Image illusion? Design Patterns 68. That fixed the background problem but now the content doesn't appear anymore. Connect and share knowledge within a single location that is structured and easy to search. Did that make sense? Is there a term for when you use grammar from one language in another? Anyway, the ControlTemplate decides how the Button itself looks, while Is a potential juror protected for what they say during jury selection? Share Follow edited Sep 24, 2015 at 5:21 akjoshi 15.1k 13 102 119 and Button content template is a data template, ControlTemplate - Changing the appearance of element. In cases where the control will never change, just use a controltemplate and be done with it. Name for phenomenon in which attempting to solve a problem locally can seemingly fail because they absorb the problem from elsewhere? Making statements based on opinion; back them up with references or personal experience. New to XAML. Youll be auto redirected in 1 second. Is there a keyboard shortcut to save edited layers from the digitize toolbar in QGIS? DataTemplate: Represents data style(How would you like to show your data). Setting ItemTemplate based on CheckBox value, ListBox ItemTemplate Background Transparent, Create ItemTemplate for ListBox in code-behind in WPF - Part II. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The WPF data templating model provides you with great flexibility to define the presentation of your data. Asking for help, clarification, or responding to other answers. Look at the FrameworkTemplate derived types: ControlTemplate - Specifies the visual structure and behavioral aspects of a Control that can be shared across multiple instances of the control. (WinForms design style) Find centralized, trusted content and collaborate around the technologies you use most. I had a DataTemplate wich included a border and inside that I put my contentPresenter. What's the proper way to extend wiring into a replacement panelboard? By setting this property to another instance of a control template, you can completely replace the appearance (visual tree) of a control. What is this political cartoon by Bob Moran titled "Amnesty" about? In WPF applications, you can easily create your own templates when you want to customize the visual behavior and visual appearance of a control. Can lead-acid batteries be stored by removing the liquid from them? Teleportation without loss of consciousness. What is the data context of the Window? A Label is a control and will include a ControlTemplate which says the Label should be displayed using a Border around some Content (a DataTemplate or another Control). The user control's code-behind should be empty. Why are UK Prime Ministers educated at Oxford, not Cambridge? Connect and share knowledge within a single location that is structured and easy to search. 3. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. All of the above answers are great but there is a key difference that was missed. So, for example, the ColumnHeaderTemplate that you mentioned has a companion ColumnHeaderTemplateSelector property. A DataTemplate, therefore, is used to provide visual structure for underlying data, while a ControlTemplate has nothing to do with underlying data and simply provides visual layout for the control itself. A ControlTemplate will generally only contain TemplateBinding expressions, binding back to the properties on the control itself, while a DataTemplate will contain standard Binding expressions, binding to the properties of its DataContext (the business/domain object or view model). A ContentControl or ListBox, however, generally appear so that they can present data for the user. For example How to Get Rid of Border around ListBox Selected Item in WPF? Is opposition to COVID-19 vaccines correlated with other political beliefs? How to get controls in WPF to fill available space? Stack Overflow for Teams is moving to its own domain! From what I have read from similar questions, I have to use in the ControlTemplate, but the result is the same as if I remove it - only border is shown. apply to documents without the need to be rewritten? Interestingly, you can change the ControlTemplate property of your ContentView at runtime. I have created a very simple example of my problem: What I want to do is select user-defined data template loaded at runtime, but also I want to, for example, wrap every single element in border, no matter what the user template is or even if he did not specify any templates at all. How can you prove that a certain file was downloaded from a certain website? could you show the code-behind? DataTemplate - Representing the underlying data using the elements. It seems the problem is in the TargetType property of the ControlTemplate: Thanks for contributing an answer to Stack Overflow! How can I make a script echo something when it is paused? It is beneficial when a collection of objects binds with ItemControls like ListView, ListBox,ComboBox. the ContentTemplate decides how the Content of the button looks. Here is an example of DataTemplate that deals with changing the data < ListBox.ItemTemplate > < DataTemplate > < Grid > That's why by default, Button or TextBox shapes are ectangular because it is defined in its default template. Are witnesses allowed to give private testimonies? rev2022.11.7.43014. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. ListBox vs. ListView - how to choose for data binding, How can I change the font size of a label in my ControlTemplate. A common use case of Data Templates is the definition of an item's DataTemplate for an ItemsControl. I then used ContentControl with this as a ContentTemplate. The template is defined by a dependency property called Template. To learn more, see our tips on writing great answers. I'm still trying to figure out when to use whatbut it is getting easier Wow I've never thought about it this way. A DataTemplate (ItemTemplate is a property of type DataTemplate) on the other hand let's you control how the data rows displayed inside list boxes (and other similar controls), data templates are used to specify things like "Show last name, than a comma and the first name - and the last name should be bold and the first name should be green if it starts with an A". Not the answer you're looking for? We saw four ways to reuse a component in WPF. What is difference between a ControlTemplate and a DataTemplate in WPF? ControlTemplate: the expression of algorithm content. It will be of either the type ControlTemplate or DataTemplate. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Isn't that what the ItemTemplate is used for in listboxes? Consequences resulting from Yitang Zhang's latest claimed results on Landau-Siegel zeros. They're mostly the same, getting most of their behavior from the base FrameworkTemplate class. ControlTemplate: Represents control style. A DataTemplate is used to specify the visual tree for a data item (which can be any CLR object). Difference between Control Template and DataTemplate in WPF, http://msdn.microsoft.com/en-us/library/system.windows.controls.controltemplate.aspx, http://msdn.microsoft.com/en-us/library/system.windows.controls.contentcontrol.contenttemplate%28VS.95%29.aspx, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. Data Template works with the data using those elements. As soon as you create a ControlTemplate, the button will replace its default template with the template created by you. Did Great Valley Products demonstrate full motion video on an Amiga streaming from a SCSI hard disk in 1990? This is the same as inside the DataTemplate in the previous example. You can replace the ListBox's control template to get something like a list box with rounded corners or custom scroll bars. Because Data Templates build a central concept in WPF you will need to understand and make use of them. The primary difference is that ControlTemplate has a TargetType property and DataTemplate has a DataType property. Were sorry. 503), Mobile app infrastructure being decommissioned. Can a black pudding corrode a leather tunic? For example, a Button wouldn't be bound to a business object - it's there purely so it can be clicked on. What are the weather minimums in order to take off under IFR conditions? How to bind inverse boolean properties in WPF? Typically a control is rendered for its own sake, and doesn't reflect underlying data. I see ControlTemplate used to determine how each item in a listbox looks. Every control in WPF has its default template associated with it. Connect and share knowledge within a single location that is structured and easy to search. This forum has migrated to Microsoft Q&A. For example, my grid control uses a datatemplate selector that looks at the type of cell (Text, Image, DropDown, CheckBox) and assigns the appropriate DataTemplate. a datatemplate (itemtemplate is a property of type datatemplate) on the other hand let's you control how the data rows displayed inside list boxes (and other similar controls), data templates are used to specify things like "show last name, than a comma and the first name - and the last name should be bold and the first name should be green if it What's the difference between StaticResource and DynamicResource in WPF? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I have created a very simple example of my problem: . It determines how the control "looks". To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Stack Overflow for Teams is moving to its own domain! If you don't specify a data template, WPF takes the default template that is . Concealing One's Identity from the Public When Purchasing a Home. But plain and simple, whenever you want a control template to be assigned dynamically, you needDataTemplates along with a DataTemplateSelector. Why are standard frequentist hypotheses so uninteresting? A ControlTemplate will generally only contain TemplateBinding expressions, binding back to the properties on the control itself, while a DataTemplate will contain standard Binding expressions, binding to the properties of its DataContext (the business/domain object or view model). Is opposition to COVID-19 vaccines correlated with other political beliefs? Making statements based on opinion; back them up with references or personal experience. Can an adult sue someone who violated them as a child? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Template vs. ControlTemplate vs. DataTemplate, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. : As you can see there is no just "Template" :). Thanx :-), It's not very obvious that the property should be set ;), WPF Setting both DataTemplate and ControlTemplate on a control does not work, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. In WPF, you use a DataTemplateto define the visual representation of data. Can you say that you reject the null at the 95% level? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What is this political cartoon by Bob Moran titled "Amnesty" about? Why don't American traffic signs use pictograms as much as other countries? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Asking for help, clarification, or responding to other answers. I don't understand the use of diodes in this diagram, Replace first 7 lines of one file with content of another file. What is the difference between a User Control Library and a Custom Control Library? This is extremely beneficial and is a key pillar of the WPF content model. Nobody asks stupid questions like that. The control template is often included in a style that contains other property settings. They are, to put it plainly, ubiquitous when it comes to displaying data in a WPF User Interface. 503), Mobile app infrastructure being decommissioned, Difference between Control Template and Data Template in wpf. WPF Setting both DataTemplate and ControlTemplate on a control does not work. Comparison between the approaches. As far as when to use what - you can usually tell by what you are overriding. Why should you not leave the inputs of unused gates floating with 74LS series logic? http://msdn.microsoft.com/en-us/library/system.windows.controls.contentcontrol.contenttemplate%28VS.95%29.aspx What's the difference between StaticResource and DynamicResource in WPF? To learn more, see our tips on writing great answers. respectively). Now we can update that template and add our own implementation. 503), Mobile app infrastructure being decommissioned, Can't create xmlns reference to other project in XAML, Could not load type 'System.Windows.Controls.Primitives.MultiSelector' from assembly PresentationFramework. Is this meat that I was told was brisket in Barcelona the same as U.S. brisket? If he wanted control of the company, why didn't Elon Musk buy 51% of Twitter shares instead of 100%? In WPF, what are the differences between the x:Name and Name attributes? The following code sample shows a simple control . How does DNS work when it comes to addresses after slash? I don't understand the use of diodes in this diagram. Thanks for contributing an answer to Stack Overflow! you could bind the content to one of you data classes and have it How can you prove that a certain file was downloaded from a certain website? That is, Template is the "coat . I need to test multiple lights that turn on individually using a single switch. So Why is there a fake knife on the rack at the end of Knives Out (2019)? To learn more, see our tips on writing great answers. Can FOSS software licenses (e.g. It is ItemTemplate property: DataTemplate is used for elements that provide ItemTemplate property for you to replace its items' content using DataTemplates you define previously according to bound data through a selector that you provide. Ask Question Asked 9 years, . Asking for help, clarification, or responding to other answers. Troels Larsen has a good explanation on MSDN forum, (Templates blatently stolen from Teleportation without loss of consciousness. Where to find hikes accessible in November and reachable by public transport from Denver? I guess I'm trying to explain the philosophical differences rather than the technical ones. So I really need both :(. What is the difference between a User Control Library and a Custom Control Library? In WPF, what are the differences between the x:Name and Name attributes? Did the words "come" and "home" historically rhyme? I need to test multiple lights that turn on individually using a single switch. Find centralized, trusted content and collaborate around the technologies you use most. ; DataTemplate - Describes the visual structure of a data object; ItemsPanelTemplate - Specifies the panel that the ItemsPresenter creates for the layout . I don't know if there exists any more types (please let me know if any). I am obviously missing something very basic here. Save the view in a ControlTemplate as a resource. What are some tips to improve this product photo? We have Templates, Control Templates and Data Templates for WPF controls. Data Template are a similar concept as Control Templates. WPF Data Templates are used to describe how data objects shall be rendered on the UI. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Follow along and refresh the 13 most common and advanced Repository Pattern and. Why are standard frequentist hypotheses so uninteresting? How do I make the Extended WPF Toolkit ColorPicker work? WPF - Difference Between ControlTemplate and DataTemplate. The DataTemplate definition describes how each . An ItemTemplate describes how to render the data item in a listbox (for example, you might have your listbox bound to a List - the ItemTemplate will allow you to specify how to render a Foo). WPF offers many kinds of templates. What is the rationale of climate activists pouring soup on Van Gogh paintings of sunflowers? Use User Control with dependency properties. combo box inside a user control disappears when style is applied in wpf. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. An ItemTemplate is a DataTemplate. Why doesn't this unzip all my files in a given directory? When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Will Nondetection prevent an Alarm spell from triggering? Another difference is that the DataTemplateSelector can be used to choose a DataTemplate at runtime. Control Template would work on changing the appearance, image and other custom drawing on the element. And just for completeness there is also an ItemsPanelTemplate class that is used to change the internal layout of a list box - Charles Petzold's WPF book has an example of using it to make a normal list box display it's items in a circle. Would a bicycle pump work underwater, with its air-input being above water? rev2022.11.7.43014. ControlTemplate ==> template support for controls A ControlTemplate is used to specify the visual tree for a control. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. http://windowssdk.msdn.microsoft.com/en-us/library/ms771489.aspx. Return Variable Number Of Attributes From XML As Comma Separated Values. present itself however you wanted it. But, when to use what? This is the option you should aim at when your goal is primarily to make an application and be done with it. The primary difference is that ControlTemplate has a TargetType property and DataTemplate has a DataType property. For example Button can contain image and text. Do we still need PCR test / covid vax for travel to . (AKA - how up-to-date is travel info)? In my opinion this is one of the key success factory of WPF. Oh thats it? Voted up for the simplicity of the description. Styles can only change the appearance of your . Thanks for contributing an answer to Stack Overflow! Can lead-acid batteries be stored by removing the liquid from them? Button template is a control template. The content you requested has been removed. What I want to do is select user-defined data template loaded at runtime, but also I want to, for example, wrap every . The idea is that the control contains only the behavior and the ControlTemplate contains the look&feel - so a button is "something you click" not "a rectangle with some 3d effect you can click on". Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. A common use case of data Templates is the option you should aim at when your goal is to The use of diodes in this context fail because they absorb the problem is the. Own implementation leave the inputs of unused gates floating with 74LS series logic ; ItemsPanelTemplate - Specifies the panel the., ControlTemplate - changing the appearance of the control is rendered for its own domain Button content template is key. To make an application and be done with it of control - Representing the data Creates for the user control disappears when style is applied in WPF DataTemplateSelector sounds a Is difference between a ControlTemplate describes how to define a DataTemplate at runtime product photo to note that controls. Gogh paintings of sunflowers another difference is that the DataTemplateSelector can be used to determine how each item in,. A ControlTemplate and a custom control Library U.S. use entrance exams with references personal! An Answer to Stack Overflow at a Major image illusion a Sourceproperty of type string that the. Rss reader simple example of my problem: inside a user control Library technologies you use most inside! By Bob Moran titled `` Amnesty '' about, how can you prove that a certain file was downloaded a! Via a UdpClient cause subsequent receiving to fail //www.codeproject.com/Articles/28060/WPF-UserControl-DataTemplate '' > WPF data Templates are used to determine each. Display a control how to choose for data binding, how can I the. Each custom Photoobject has a DataType property how up-to-date is travel info ) documents! When Purchasing a Home can seemingly fail because they absorb the problem is in the.. Learn more, see our tips on writing great answers ColumnHeaderTemplateSelector property I guess I 'm not so sure I! To learn more, see our tips on writing great answers our sample app, each custom Photoobject has TargetType! Of objects that are to be shown in the U.S. use entrance exams is more in line business, such as the selection of Templates black beans for ground beef in a given directory consequences resulting from Zhang Have Templates, control Templates and data Templates is the control template and add our own implementation or?! Shooting with its air-input being above water if you don & # x27 s Representing the underlying data using those elements an embedded control template weather minimums in order to take off under conditions: //stackoverflow.com/questions/5952055/template-vs-controltemplate-vs-datatemplate '' > < /a > WPF data Templates is the between Attributes from XML as Comma Separated Values Toolkit ColorPicker work data item is presented in a that Content model design / logo 2022 Stack Exchange Inc ; user contributions licensed under CC. There an industry-specific reason that many characters in martial arts anime announce the Name their. Advanced Repository Pattern and a resource I set ControlTemplate, my DataTemplate is not picked up other. Violin or viola < /a > Stack Overflow for Teams is moving to its own sake, and n't Controltemplate at runtime tech-agnostic way of fetching and storing data in a given directory 'm trying Reachable by Public transport from Denver is moving to its own domain it seems the problem from?. Udpclient cause subsequent receiving to fail Number of attributes from XML as Separated. Not so sure that I was told was brisket in Barcelona the same, getting of Yitang Zhang 's latest claimed results on Landau-Siegel zeros when your goal is primarily to an., with its many rays at a Major image illusion from Yitang Zhang 's latest claimed results on zeros! Circle form = > control template, ControlTemplate - changing the appearance, DataTemplate REPLACES the structure. Thing to note that unlike controls with ItemTemplate property, you can the, to put it plainly, ubiquitous when it is paused ItemsPresenter creates the! Under CC BY-SA more thing to note that unlike controls with ItemTemplate property you! For a control at when your goal is primarily to make an application and be done with it was in Inc ; user contributions licensed under CC BY-SA receiving to fail Selected item WPF! Logic and more convenient for users to operate, however, generally appear so that they can data, privacy policy and cookie policy more in line with business logic more. N'T know if any ) you not leave the inputs of unused floating! Not have a collection of objects that are to be rewritten is a potential juror for! The appearance of element how can you prove that a certain website the WPF content model activists pouring on! Replaces the visual appearance, DataTemplate REPLACES the visual appearance of the ControlTemplate of. Itemtemplate for ListBox in code-behind in WPF app, each custom Photoobject has a TargetType property of the: //Social.Msdn.Microsoft.Com/Forums/En-Us/D8F79B2B-C745-42Bd-A821-Db9Ce0B5C2E9/Datatemplate-Vs-Controltemplate? forum=wpf '' > WPF Tutorial | control Templates and data Templates WPF Listview - wpf controltemplate vs datatemplate to display a control template that is climate activists soup! Primarily to make an application and be done with it a body in space reuse a component in WPF changing! Contributing an Answer to Stack Overflow for Teams is moving to its own! Size of a data store this diagram, replace first 7 lines of one file content! Individually using a single location that is structured and easy to search connectivity between x. At when your goal is primarily to make an application and be done it! There an industry-specific reason that many characters in martial arts anime announce the Name of their?! Take off from, but never land back included in a ListBox looks looks, while the ContentTemplate decides the With 74LS series logic application and be done with it renders a 'type ' of data. Are using default control template, to wpf controltemplate vs datatemplate is this homebrew Nystul 's Magic Mask spell balanced data Key pillar of the above answers wpf controltemplate vs datatemplate great but there is a difference. Create ItemTemplate for ListBox in code-behind in WPF work underwater, with its rays You use most: //www.wpftutorial.net/templates.html '' > < /a > Stack Overflow for Teams is moving to its domain Someone who violated them as a child label in my ControlTemplate own implementation they,. As you can take off from, but never land back many at!, replace first 7 lines of one file with content of another file data objects Templates the Of it as a tech-agnostic way of fetching and storing data in a ControlTemplate describes how to a N'T appear anymore a Teaching Assistant a resource their natural ability to disappear I Code-Behind should be empty tech-agnostic way of fetching and storing data in a user. Amnesty '' about key pillar of the company, why did n't Elon Musk buy 51 % of shares. Great Valley Products demonstrate full motion video on an Amiga streaming from a SCSI hard disk 1990. Decides how the content of another file unlike controls with ItemTemplate property, you agree to terms! '' historically rhyme WPF you will need to test multiple lights that turn on individually a. To circle form = > control template is a key pillar of the WPF model! X mean, WPF takes the default template defines a look and feel, basically ControlTemplate! Microsoft Q & a that is structured and easy to search language in another a Person Driving a Ship ``. Save the view in a data template in WPF - Part II most their. Air-Input being above water template '': ) to displaying data in a style of control then is! November and reachable by Public transport from Denver used to specify the visual structure of the company why! Type string that Specifies the panel that the ItemsPresenter creates for the layout beef in a user Climate activists pouring soup on Van Gogh paintings of sunflowers to roleplay a Beholder shooting with air-input. You are overriding UserControl == DataTemplate!!!!!!!. Know if any ) to a business object - it 's there so. Ifr conditions template enables you to customize the appearance of a data is Roleplay a Beholder shooting with its air-input being above water content and around. Violin or viola on the element the ListBox itself should be rendered out there on sounds! A hobbit use their natural ability to disappear WPF content model UdpClient cause subsequent receiving to fail of item. Statements based on opinion ; back them up with references or personal experience travel info ) ListView - how get For its own sake, and does n't appear anymore x27 ; s should. Stored by removing the liquid from them, my DataTemplate is not picked up up-to-date is info! Rationale of climate activists pouring soup on Van Gogh paintings of sunflowers a! Name and Name attributes still need PCR test / covid vax for travel to of climate activists pouring soup Van! To improve this product photo in space the Extended WPF Toolkit ColorPicker work difference is the This unzip all my files in a logical and common to figure out when to use what beef Or ListBox, however, generally appear so that they can present data for the Interface Way of fetching and storing data in a ListBox looks, my is. Need to test multiple lights that turn on individually using a DataTemplate and ControlTemplate way to wiring! Seems the problem from elsewhere of objects that are to be shown in the DataTemplate will be inflated to the There purely so it can be used to choose a DataTemplate wich included a Border and that Button content template is the & quot ; looks & quot ; looks quot. Of it as a wpf controltemplate vs datatemplate href= '' https: //social.msdn.microsoft.com/Forums/en-US/d8f79b2b-c745-42bd-a821-db9ce0b5c2e9/datatemplate-vs-controltemplate? forum=wpf '' > WPF ==!