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WPF INTERVIEW QUESTION & ANSWERS

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31. What is a repository?
  A repository is a type of class that hides the actual data storage mechanism from the rest of the application.
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32. What are the types of common file dialogs that WPF supports?
  The common file dialogs that WPF supports include SaveFileDialog, OpenFileDialog, and PrintDialog. WPF does not presently have a common dialog for folder selection, font selection, or print preview.
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33. What is the name of the FrameworkElement most commonly used to work with media in WPF?
  MediaElement is used to play back a variety of audio and video formats.
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34. What are two common properties on all the Shape classes?
 
    There are more than a dozen properties on the base class System.Windows.Shapes.Shape.
  • Fill
  • Stroke
  • StrokeDashArray
  • StrokeDashCap
  • StrokeEndLineCap
  • StrokeLineJoin
  • StrokeMiterLimit
  • StrokeStartLineCap
  • StrokeThickness
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35. What are the different types of brushes that WPF offers?
 
    There are six different types of brushes
  • SolidColorBrush
  • LinearGradientBrush
  • RadialGradientBrush
  • DrawingBrush
  • VisualBrush
  • ImageBrush
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