NAME
	  DtGroupGetVertexCount	- Get the number of vertices in	the
	  group.


     SYNOPSIS
	  #include <Dt.h>


	  int  DtGroupGetVertexCount( int shapeID, int groupID,	int *count )


     DESCRIPTION
	  DtGroupGetVertexCount() returns the number of	vertices in
	  the group indicated by the groupID and shapeID parameters
	  via the pointer to the count parameter.


     DIAGNOSTICS
	  DtGroupGetVertexCount() returns one on success and zero on
	  failure.


     FILES
	  Link with -lDtOMio