AM_GEO_LTYPE sets the default line type of added geometry.
---->(AM_GEO_LTYPE)------+----(:SOLID)----------------+----> | | +----(:DOTTED)---------------+ | | +----(:LONG_DASHED)----------+ | | +----(:DOT_CENTER)-----------+ | | +----(:DASH_CENTER)----------+ | | +----(:CENTER_DASH_DASH)-----+ | | +----(:PHANTOM)--------------+ | | +----(:DASHED)---------------+