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
" G3 d. R+ d7 K; h) E$ q7 z1.Create an instance of the builder object for the desired feature type providing a null object as input.
7 p5 E5 @! h9 M& L创建一个builder实例，null作为输入
5 _* ^( t! m  R% y9 J. W* {8 F2.Edit the properties of the builder object to set the feature parameters and options.
$ `+ h6 C5 w: y" S7 i7 x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
& n/ Y, M1 O, |4.Use the Destroy method of the builder object to delete the builder object.
) j. F4 I* r' M' r) f( v使用destory方法删除builder对象。
编辑特征也是同样的操作过程！
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代码举例：
Session *NXSession = Session::GetSession();
Part *workPart (NXSession->Parts()->Work());
/ p$ |& V, t1 k1 Y$ P, n. FFeature *nullFeature (NULL);
* t; w2 n$ z# ]2 OPoint3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
, u# T; q) ~3 ^5 u% I//CREATE BLOCK 创建方块
& |: |5 s3 i' q$ `: TBlockFeatureBuilder *newBlock = NULL;
1 M  A7 f- v- q, K2 P* M$ \8 c; ~1 WnewBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
Feature *blockFeature = newBlock->CommitFeature();
newBlock->Destroy();
! g- w- q. e/ l9 {$ U2 M//**************************************************************************
//EDIT BLOCK 编辑方块
" L3 _( R+ F& K$ _! m  H) `, QBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
' G6 a, W2 b# Y1 C. g' N6 s2 qoldBlock->SetOriginAndLengths(origin, "100", "20", "50");
oldBlock->CommitFeature();
% A% i" }  l! i4 r. C& |1 ^oldBlock->Destroy();
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