Here is a list of all files with brief descriptions:

ArrowBase.h
AutoLayout.h
BitmapShape.h
CanvasHistory.h
CanvasState.h
CircleArrow.h
CircleShape.h
CommonFcn.h
ControlShape.h
CurveShape.h
wxsf/Defs.h
wxxmlserializer/Defs.h
DiagramManager.h
DiamondArrow.h
DiamondShape.h
EditTextShape.h
EllipseShape.h
FixedRectShape.h
FlexGridShape.h
GridShape.h
LineShape.h
MultiSelRect.h
OpenArrow.h
OrthoShape.h
PolygonShape.h
Printout.h
PropertyIO.h
RectShape.h
RoundOrthoShape.h
RoundRectShape.h
ScaledDC.h
SFEvents.h
ShapeBase.h
ShapeCanvas.h
ShapeDataObject.h
ShapeDockpoint.h
ShapeHandle.h
SolidArrow.h
TextShape.h
Thumbnail.h
wxShapeFramework.h
XmlSerializer.h