The following are a few important FEATURES of WPF: 

• It USES XAML (Extensible Application Markup Language) to build user interfaces for Windows applications. It allows visual designers to create UI (User Interface) elements, data binding, and events.
• WPF includes user controls such as sliders, checkboxes, and buttons necessary for developing DESKTOP client applications.
• Furthermore, it OFFERS data binding capabilities and supports multimedia integration.
• WPF provides an easy-to-use graphical display system for Windows.
• You can create your own custom UI controls with unlimited possibilities and flexibility.
• A variety of animations and special effects can be added to the controls and UI elements on the screen.
• A flow document model is supported which allows "desktop publishing" layout features.
• Smooth graphical effects, like color gradients and drop shadows, are possible.
• It uses hardware acceleration for rendering GUI (Graphical User Interface) to improve performance.
• The WPF applications are screen resolution-independent so you can create WPF applications that support a variety of screen resolutions.