使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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" ]' z" y9 t4 q& V, u$ JCreate 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.
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.
/ b9 Y+ N3 g5 a# m& F编辑创建的builder，设置一些参数或者选项
% u' Y; {0 o- F& c3.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
4 _$ f! {9 w7 K' ~3 K3 E. k4.Use the Destroy method of the builder object to delete the builder object.
使用destory方法删除builder对象。
1 K1 i4 l% K3 m' W% d" M0 N" U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();
9 h4 k3 b9 {- P8 Z  \. g, x( {, `Part *workPart (NXSession->Parts()->Work());
Feature *nullFeature (NULL);
Point3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
//CREATE BLOCK 创建方块
& o0 d, L' e+ O6 I2 eBlockFeatureBuilder *newBlock = NULL;
7 c4 @, m+ f( t/ c9 A% k* jnewBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
Feature *blockFeature = newBlock->CommitFeature();
newBlock->Destroy();
//**************************************************************************
7 o% D( t& `9 |0 K  M6 x2 S0 z2 t//EDIT BLOCK 编辑方块
BlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
oldBlock->CommitFeature();
+ N- o4 l9 M. L1 qoldBlock->Destroy();
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