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.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
8 s& O" y5 N8 T: r2.Edit the properties of the builder object to set the feature parameters and options.
编辑创建的builder，设置一些参数或者选项
% P4 S, ^! c9 R7 _1 Y3.Use the Commit method of the builder object to create an instance of the feature.  The Commit method will return the new feature object.
* p$ O0 `/ Z$ f3 Z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+ }7 t: F' P2 [4.Use the Destroy method of the builder object to delete the builder object.
3 o+ Y; @( E$ r; U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：
9 |! m$ @; n1 o* H9 g- `$ s' S  H! eSession *NXSession = Session::GetSession();
Part *workPart (NXSession->Parts()->Work());
Feature *nullFeature (NULL);
Point3d origin = new Point3d(0.0, 0.0, 0.0);
/ L( N* y5 R5 E//**************************************************************************
//CREATE BLOCK 创建方块
BlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
Feature *blockFeature = newBlock->CommitFeature();
; u6 r/ H2 }; dnewBlock->Destroy();
9 d7 H4 N: e* _- R# @/ A//**************************************************************************
//EDIT BLOCK 编辑方块
9 A' v/ j# o  H, vBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
oldBlock->CommitFeature();
7 g& R- L' i; v* [6 |8 soldBlock->Destroy();
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