使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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9 h- l# [, d6 O3 m% cCreate a New Feature 创建NXfeature的标准过程
1.Create an instance of the builder object for the desired feature type providing a null object as input.
, T/ D& D  }: \, ^2 o创建一个builder实例，null作为输入
2.Edit the properties of the builder object to set the feature parameters and options.
$ v: S2 n, o6 f. x0 Z$ s$ L- ~0 w$ \编辑创建的builder，设置一些参数或者选项
% \. W8 w% O7 G, ]3 m4 S3.Use the Commit method of the builder object to create an instance of the feature.  The Commit method will return the new feature object.
2 G7 W: l7 v9 Z  N; J4 }& J3 p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
, C( x8 Z: b: u8 Y" U- ~9 d5 T4.Use the Destroy method of the builder object to delete the builder object.
1 h$ `  F  c' H6 w/ q, Y+ e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：
, E# e% Z7 U% z& kSession *NXSession = Session::GetSession();
% Q; O! j- {  `, l0 e  w$ tPart *workPart (NXSession->Parts()->Work());
/ g. \, J& z8 ^4 KFeature *nullFeature (NULL);
Point3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
//CREATE BLOCK 创建方块
3 B; z1 N: q9 Q# Q9 q# P* QBlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
  D  F. G& `2 S" @: DnewBlock->SetOriginAndLengths(origin, "50", "80", "100");
) v6 z$ A6 R' b+ oFeature *blockFeature = newBlock->CommitFeature();
$ x" v9 v$ M1 `, H9 @' YnewBlock->Destroy();
//**************************************************************************
! a, t# P; h2 |( W" X# c1 b//EDIT BLOCK 编辑方块
BlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
! Y0 D! \: s3 I' E' Q+ ]3 LoldBlock->CommitFeature();
# \4 U$ Q( M1 qoldBlock->Destroy();
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