Simple: simple window systemSimple creates two windows. a main window which has
nothing drawn to it, and a smaller window with a border and two diagonal lines.
The main window is the parent of the smaller window.
CMainWindow: An empty window. Just draws
itself.
CSmallWindow: A small window which draws itself
with a square border around the edges of the window, and two diagonal lines
between the corners.
CExampleWsClient: Derived from
CWsClient. Owns the CMainWindow and the
CSmallWindow. Processes key and pointer events.
CWindowGc: Window graphics context. Required when
drawing to a window.
struct TPointerEvent: Pointer event details
struct TKeyEvent: Key event details