Presentation Frame Work
This includes the complete WPF class library and standard controls like buttons, menus, panels Etc.
The developers of WPF will work with this layer only
This includes all the base types of VI elements visual elements like windows shapes, controls etc from which all the control classes are derived
Common language Run time
The presentation core will interact with CWR and CWR will provide managed code execution environment for all WPF
In mil core nil stands for media integration layer. Mil core performs the rendering in WPF
Mil core composition engine will translate all the visual elements in to Direct X and 3D understand base form.
This is a low level API using which all the graphics in WPF are rendered
It is used to determine the program real store though it is involved in WPF it does not play any role in rendering of the controls.
Its purpose is to understand the state of the program and to transfer to the kernel of O.S.
This is the lower most level where operating System graphics drivers all are included so that os can execute the complete animation graphics etc
Mil core DirectX user 32 will work with unmanaged code