[MSCE C#]创建MultiLine但没有显示出来

Question

public static Element CreateMultiLineElement(DgnModel dgnModel)
 {
 double uor = dgnModel.GetModelInfo().UorPerMaster;

 DPoint3d[] points = new DPoint3d[5];
 points[0] = new DPoint3d(-100, 0) * uor;
 points[1] = new DPoint3d(0, -100) * uor;
 points[2] = new DPoint3d(100, 0) * uor;
 points[3] = new DPoint3d(200, 0) * uor;
 points[4] = new DPoint3d(300, -100) * uor;

 MultilineStyle lineStyle = new MultilineStyle("name", dgnModel.GetDgnFile());
 MultilineElement element = MultilineElement.CreateMultilineElement(dgnModel, null, lineStyle, 1.0, DVector3d.UnitX, points);
 //CurveElement element = new CurveElement(dgnModel, null, points);
 return element;
 } 创建了一个MultilineElement，但是没有成功，请问代码有什么问题？

Yongan.Fu · Accepted Answer

您创建了一个空的MultilineStyle。需要在12和13行间插入如下代码才可以： 
 MultilineProfile profile1 = new MultilineProfile();
 profile1.Distance = 0;
 profile1.UseLinestyle = true;
 profile1.Linestyle = 2;
 lineStyle.InsertProfile(profile1, 0);
 MultilineProfile profile2 = new MultilineProfile();
 profile2.Distance = -150;
 lineStyle.InsertProfile(profile2, 1);
 MultilineProfile profile3 = new MultilineProfile();
 profile3.Distance = 150;
 lineStyle.InsertProfile(profile3, 2); 
 生成结果如下：

[MSCE C#]创建MultiLine但没有显示出来

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