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
2 T8 d+ G( y8 y" Z7 z" j! p8 p1.Create an instance of the builder object for the desired feature type providing a null object as input.
$ K- k- ^& ?. ~+ A4 @创建一个builder实例，null作为输入
) i5 K% n- c4 z5 W2.Edit the properties of the builder object to set the feature parameters and options.
+ J% }; e7 h9 b# F0 j9 v编辑创建的builder，设置一些参数或者选项
4 f- S; S, p* x9 x1 i+ {9 G3.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
/ j: f' |) ~$ j4.Use the Destroy method of the builder object to delete the builder object.
使用destory方法删除builder对象。
" E  B0 M7 r6 H8 Y' e编辑特征也是同样的操作过程！

: ^& y8 b8 q8 B! ~代码举例：
Session *NXSession = Session::GetSession();
$ v) m3 x) Q* y) ~& xPart *workPart (NXSession->Parts()->Work());
; C! a# I; f  TFeature *nullFeature (NULL);
- f. n# L) J2 r# s+ m4 K( F& ~Point3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
7 o& W6 v, m4 |* t  i' U" E3 L//CREATE BLOCK 创建方块
4 ~4 P9 j, t) y0 z" I* N. aBlockFeatureBuilder *newBlock = NULL;
% n: k+ }  F* hnewBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
Feature *blockFeature = newBlock->CommitFeature();
newBlock->Destroy();
//**************************************************************************
//EDIT BLOCK 编辑方块
' V  s6 l, V0 H! N8 u/ B8 nBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
  G4 P- u* Q6 _" j& e6 G; PoldBlock->SetOriginAndLengths(origin, "100", "20", "50");
/ o$ [' ^3 @  d  I" M* DoldBlock->CommitFeature();
oldBlock->Destroy();
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