PresentationFramework.dll = WPF base types Ex: windows, panels, and controls etc... Presentationcore.dll UIElement and Visual, shapes and controls windowsbase.dll DispatcherObject, DependencyObject, that gives dependency properties milcore.dll Desktop Window Manager (DWM) milcore.dll to render the desktop. windowscodec.dll Direct3D,User32

Class hierarchy Dispatcherobject coordinates messages DependancyObject dependency properties. Visual encapsulates drawing instructions, additional details about how the drawing should be performed. UIElement layout, input, focus, and events LIFE FrameworkElement key properties Ex:HorizontalAlignment, Margin Shape Basic shapes classes, such as Rectangle, Polygon, Ellipse, Line, and Path control panel contentcontrol c ItemsControl