使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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$ `- I" A; v( D+ uCreate a New Feature 创建NXfeature的标准过程
' N6 n& n; `. ~3 v1.Create an instance of the builder object for the desired feature type providing a null object as input.
: p1 q: i$ D9 O# r) [+ B0 ]! ]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.
; D3 X4 G7 a/ z编辑创建的builder，设置一些参数或者选项
! G( N* S! j, z" E- A3.Use the Commit method of the builder object to create an instance of the feature.  The Commit method will return the new feature object.
8 a5 q, S! J9 R2 @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' O( Z; E" e9 {7 z- L4.Use the Destroy method of the builder object to delete the builder object.
使用destory方法删除builder对象。
# g0 H1 _! D; _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();
6 ~5 h! D& H- uPart *workPart (NXSession->Parts()->Work());
6 j% \: F* y( g4 f0 U$ gFeature *nullFeature (NULL);
2 j& b* W: {" \# K) k6 c. {5 ~Point3d origin = new Point3d(0.0, 0.0, 0.0);
& P, ^3 X* C5 T+ L6 b//**************************************************************************
//CREATE BLOCK 创建方块
+ V+ ?5 z0 R: B2 x5 l8 t" kBlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
5 F) K( B0 W- U' S/ nFeature *blockFeature = newBlock->CommitFeature();
3 l9 r; c$ }- `& M' enewBlock->Destroy();
$ y& B4 H+ V* i" \  [//**************************************************************************
. }* Y  n. \4 m+ r2 Z/ w//EDIT BLOCK 编辑方块
, T' j7 ~- @0 o4 lBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
5 D6 j' j8 p+ joldBlock->CommitFeature();
oldBlock->Destroy();
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