public void CurvesBuildExec(List <LJJSPoint> drawptcol, LJJSHatch itemHatch, List <LJJSPoint> boundaryLinePtList) { List <List <LJJSPoint> > hatchBoundary = new List <List <LJJSPoint> >(); hatchBoundary.Add(boundaryLinePtList); hatchBoundary.Add(drawptcol); Layer.Layer_SetToCurrent(_keDuChiItem.KName); MyHatch.AddPolyHatch(DrawCommonData.activeDocument, hatchBoundary, itemHatch); }