使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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Create a New Feature 创建NXfeature的标准过程
; z! b2 n& l5 L# k1 v4 l1.Create an instance of the builder object for the desired feature type providing a null object as input.
0 l# F2 P$ u, W! F' _创建一个builder实例，null作为输入
2 [* [5 m' J0 C( b2.Edit the properties of the builder object to set the feature parameters and options.
2 n+ e3 s# V  U编辑创建的builder，设置一些参数或者选项
3.Use the Commit method of the builder object to create an instance of the feature.  The Commit method will return the new feature object.
使用commit的方法来创建这个feature的实例，这样就可以返回一个feature对象
! L1 N5 t$ d# z( r, X  h& A% ]4.Use the Destroy method of the builder object to delete the builder object.
使用destory方法删除builder对象。
/ N- N; g  Y/ l2 v编辑特征也是同样的操作过程！

代码举例：
, ^) n  r3 C: N  w; HSession *NXSession = Session::GetSession();
2 O) N7 X' l) \3 a6 C7 pPart *workPart (NXSession->Parts()->Work());
  O% a; x! r  MFeature *nullFeature (NULL);
: t$ r# h' ?' f- B' m3 M+ L( QPoint3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
//CREATE BLOCK 创建方块
# q- T$ T, H# t9 k* {BlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
* O9 Y# @# g+ W# cFeature *blockFeature = newBlock->CommitFeature();
' H9 T0 i* R5 c( w& e$ W+ y) OnewBlock->Destroy();
* W2 ?: b( {) i6 n# s; m//**************************************************************************
, b. v; Y3 F4 x6 H& s" j//EDIT BLOCK 编辑方块
0 A3 p/ S+ ]) pBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
0 {4 V" G7 ]/ W9 S) r; f9 ~oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
- {4 U& K# d0 d6 IoldBlock->CommitFeature();
9 N9 t$ n1 O; h( b6 uoldBlock->Destroy();