面域不可以直接添加边界吗?为什么要炸开呢? object.AppendOuterLoop loop Object MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_hatch_object.htm">Hatch The object or objects this method applies to. Loop Object (array of objects); input-only An array of objects forming a closed boundary. The array can consist of one or more objects. If more than one object is used, their endpoints must coincide for the loop to be created properly. The loop may contain the following types of objects: MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_line_object.htm">Line, MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_polyline_object.htm">Polyline, MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_circle_object.htm">Circle, MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_ellipse_object.htm">Ellipse, MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_spline_object.htm">Spline, MSITStore:C:\Program%20Files\AutoCAD%202008\help\acadauto.chm::/idh_region_object.htm">Region
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