Member name	Value	Description
NONE	0	NONE - default type
FACE3D	1	3DFACE entity
SOLID3D	2	3DSOLID entity
ACAD_PROXY_ENTITY	3	ACAD_PROXY_ENTITY entity
ARC	4	ARC entity
ATTDEF	5	ATTDEF entity
ATTRIB	6	ATTRIB entity
BODY	7	BODY entity
COORDINATIONMODEL	8	The coordination model entity
DIMENSION	9	DIMENSION entity
ELLIPSE	10	ELLIPSE entity
HATCH	11	HATCH entity
HELIX	12	HELIX entity
HEADER	13	HEADER entity
IMAGE	14	IMAGE entity
INSERT	15	INSERT entity
CadCalloutLine	16	Callout line entity
CadCalloutData	17	Callout context data entity
LEADER	18	Callout LEADER entity
LIGHT	19	LIGHT entity
LWPOLYLINE	20	LWPOLYLINE entity
MESH	21	MESH entity
MLINE	22	MLINE entity
CadCallOutStyle	23	MLEADERSTYLE entity
MLEADERSTYLE	24	MLEADERSTYLE entity
MULTILEADER	25	MULTILEADER entity
MTEXT	26	MTEXT entity
OLEFRAME	27	OLEFRAME entity
OLE2FRAME	28	OLE@FRAME entity
POINT	29	POINT entity
POLYLINE	30	POLYLINE entity
RAY	31	RAY entity
REGION	32	REGION entity
SECTION	33	SECTION entity
SEQEND	34	SEQEND entity
SHAPE	35	SHAPE entity
SOLID	36	SOLID entity
SPLINE	37	SPLINE entity
SUN	38	SUN entity
SURFACE	39	SURFACE entity
ACAD_TABLE	40	TABLE entity
TEXT	41	TEXT entity
UNDERLAY	42	UNDERLAY entity
PDFUNDERLAY	43	PDFUNDERLAY entity
DWFUNDERLAY	44	DWFUNDERLAY entity
DGNUNDERLAY	45	DGNUNDERLAY entity
VERTEX	46	VERTEX entity
VIEWPORT	47	VIEWPORT entity
WIPEOUT	48	WIPEOUT entity
LINE	49	The line entity
XLINE	50	The Xline entity
CIRCLE	51	The circle entity
TRACE	52	The trace entity
TOLERANCE	53	The tolerance entity
PLANESURFACE	54	Plane surface
REVOLVEDSURFACE	55	Revolved surface
EXTRUDEDSURFACE	56	Extruded surface
SWEPTSURFACE	57	Swept surface
LOFTEDSURFACE	58	The lofted surface
GRAPHICSDATACONTAINER	59	The graphics data container

Reference

Aspose.CAD.FileFormats.Cad.CadConsts Namespace