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
1 X: q3 a4 F2 Z6 q5 ~9 c8 _0 H1.Create an instance of the builder object for the desired feature type providing a null object as input.
$ {9 v+ S3 [" v( G3 b0 y3 f创建一个builder实例，null作为输入
! N, W3 n! W7 n: F2.Edit the properties of the builder object to set the feature parameters and options.
: \3 c6 {/ R/ ^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.
$ W8 N# Z0 ?& M5 ?" d' v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
4.Use the Destroy method of the builder object to delete the builder object.
- o1 c, b! T7 r使用destory方法删除builder对象。
: m+ i5 r' F% g5 N编辑特征也是同样的操作过程！

/ h* T. C) e5 ~6 {+ n代码举例：
. e& m2 n8 j8 p5 c. O4 T: ~$ YSession *NXSession = Session::GetSession();
Part *workPart (NXSession->Parts()->Work());
5 C" s7 Y$ d+ J0 LFeature *nullFeature (NULL);
6 }1 }# M4 M2 N1 W# |# X! x$ lPoint3d origin = new Point3d(0.0, 0.0, 0.0);
+ R* p4 s2 _# R* }3 ]) U//**************************************************************************
//CREATE BLOCK 创建方块
5 }  R6 c2 t3 p$ V& }% HBlockFeatureBuilder *newBlock = NULL;
3 I- x0 L# H, t& v, pnewBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
% U, A, y; K3 Q. ~, J4 G1 N! {Feature *blockFeature = newBlock->CommitFeature();
newBlock->Destroy();
1 h) C3 [) P! U% X7 z1 i//**************************************************************************
7 W% d- M( E& v, S( P& T7 h//EDIT BLOCK 编辑方块
BlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
; L$ z( ^* a& v2 M" ~6 XoldBlock->CommitFeature();
: g" y0 C% {- RoldBlock->Destroy();
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