If you're looking for WPF Interview Questions for Experienced or Freshers, you are at the right place. There are a lot of opportunities from many reputed companies in the world. According to research, WPF has a market share of about 23.90%. So, You still have the opportunity to move ahead in your career in WPF. Mindmajix offers Advanced WPF Interview Questions 2024 that helps you in cracking your interview & acquire your dream career as WPF Developer.
Windows Presentation Foundation (WPF) is a graphical interface that furnishes the user interface for Windows-based applications.
There are two types of WPF controls:
System.Windows.Media.Media3D
supports 3-D presentation in WPF.
BrushValueSerializer class.
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WPF | WinForms |
Newer Version with fine-tuning in current standards | Older Version with more tried and tested |
WPF is built from scratch and doesn't rely on standard Windows controls in almost all situations | WinForms is simply a layer on top of the standard Windows controls (e.g. a TextBox) |
Uses a lot of new applications, such as Visual Studio | Uses existed 3rd party controls that you can buy or get for free |
More flexible | The designer in Visual Studio is still, as of writing. |
Can do more things without having to write or buy new controls | Better for WinForms than for WPF, where you will have to do more of the work yourself with WPF |
When you do need to use 3rd party controls, the developers of these controls will likely be more focused on WPF because it's newer | Uses existed 3rd party control |
XAML makes it easy to create and edit your GUI and allows the work to be split between a designer (XAML) and a programmer (C#, VB.NET, etc.) | We can use XAML to design the Windows Forms project forms. Just deserialize the classes in the namespace System.Windows.Forms. |
Databinding, which allows you to get a more clean separation of data and layout | - |
It allows you to make user interfaces for both Windows applications and web applications (Silverlight/XBAP) | - |
WPF | WPF XBAP | Silverlight | Ajax.Net | |
Client – OS | Windows XP SP2 & Vista | Windows XP SP2 & Vista | Windows XP SP2, Vista, Mac, Linux | Any OS |
Client – .NET FX | .NET 3.0 | .NET 3.0 | Silverlight Plugin | Not required |
Client – Browser | NA | Internet Explorer 6+ | Firefox, Mac Safari, Internet Explorer | Any Web Browser |
Deployment | Downloadable Installer or ClickOnce | Runs in Internet Explorer secure sandbox | One-time install of Silverlight plug-in | Web Page |
When to use | Programs that need access to Windows desktop files. | Intranet applications for Windows-oriented companies. | Rich Internet Applications for public-facing websites | General-purpose public-facing websites |
1.PresentationFoundation
2.WindowsBase
3.PresentaionCore
Path Animation is defined as an AnimationTimeline that uses input as Path geometry.
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Yes, of course, we can create WPF applications without XAML.
BAML - Binary Application Markup Language., it is tokenized XAML in binary form and quicker than XAML.
DockPanel class where a child controls are aligned to the edges of the panel.
WPF | Xamarin.Forms | |
Control Templates | WPF supports the concept of Control Templates which provide the visualization instructions for a control (Button, ListBox, etc.). | Xamarin.Forms do have a ControlTemplate type - it is used for theming Page objects. |
XAML | XAML is supported | The syntax is identical - the primary difference is the objects that are defined/created by the XAML graphs. |
Markup Extensions | In WPF, you must derive from MarkupExtension - an abstract base class. | In Xamarin.Forms, that are replaced with an interface IMarkupExtension or IMarkupExtension which is more flexible. |
RelativeSource | In WPF, these allow you to bind to other visual elements defined in XAML. | In Xamarin.Forms, this same capability can be achieved using the {x: Reference} markup extension |
Text property - RelativeSource bindings | Text={Binding RelativeSource={RelativeSource otherControl}, Path=Text} | Text={Binding Source={x:Reference otherControl}, Path=Text} |
Model-View-ViewModel | MVVM is completely supported | MVVM is completely supported |
User Controls | In WPF, UserControls are used to provide a section of UI that has associated behavior. | In Xamarin.Forms, we use the ContentView for the same purpose. Both support binding and inclusion in XAML. |
Navigation | WPF includes a rarely used NavigationService which could be used to provide a "browser-like" navigation feature | Xamarin.Forms include support for several forms of navigation |
URL navigation | WPF is a desktop-oriented technology and can accept command-line parameters to direct startup behavior. | Xamarin.Forms can use deep URL linking to jump to a page on startup. |
Inheritance Object --> DispatcherObject --> DependencyObject --> Visual --> UIElement --> FrameworkElement --> Control --> DatePicker.
TreeView presents the hierarchical collection of labeled items, each of those are indicated by a TreeNode.
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Ravindra Savaram is a Technical Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.