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WPF Interview Questions and Answers

1
What is Windows Presentation Foundation, WPF?

WPF allows creating rich application with respect to look and feel. The rich classes of WPF along with a design engine allow you to make innovative interfaces and client applications with 3D images, animation that is not available using HTML

2
What is a Routed event?

In a typical WPF application, it contains many elements. These elements exist in an element tree relationship with each other. A routed event is a type of event that can invoke handlers on multiple listeners in an element tree, rather than just on the object that raised the event.

3
Name the namespace required for working with 3D.

The namespace required for working in 3D is System.Windows.Media.Medi3D.

4
What is XAML?

Extensible Application Markup Language is a XML based language used to create rich GUI’s. It supports both vector and bitmap images. These files are XML files with .xaml extension. It can be used for creating graphical effects. XAML allows creating visible UI elements and separate the UI definition from the programming logic.

5
Which namespace is used to work with 3D in WPF.

The System.Windows.Media.Medi3D namespace is used to work with 3D.

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