使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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7 V9 O2 y$ q' a7 C, b; l% bCreate a New Feature 创建NXfeature的标准过程
6 {* _6 a; {3 L6 M1 D6 m3 D3 Z1.Create an instance of the builder object for the desired feature type providing a null object as input.
' \# B7 C: V! s0 b% i, ^1 H- s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.
+ O" p+ \1 t* a; H编辑创建的builder，设置一些参数或者选项
* F* M9 }. Q! 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.
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 ?; X. {! n% g4.Use the Destroy method of the builder object to delete the builder object.
3 Z0 v% C0 ?* l* O3 w  q8 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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' |2 m& B6 A8 F% T" m1 J0 v代码举例：
Session *NXSession = Session::GetSession();
/ j! U& ]/ o" Q) _2 t/ j9 e' UPart *workPart (NXSession->Parts()->Work());
7 K' J' G8 S2 l* vFeature *nullFeature (NULL);
7 J, x. j7 p" N9 z2 _6 C, G+ JPoint3d origin = new Point3d(0.0, 0.0, 0.0);
8 l$ ~' ^' x# ]+ Y, [) v//**************************************************************************
//CREATE BLOCK 创建方块
( V3 @9 `+ k3 h$ aBlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
+ K. l1 w7 [7 x; [# t0 f+ R5 T1 UFeature *blockFeature = newBlock->CommitFeature();
5 `% c4 S8 K( ^" XnewBlock->Destroy();
3 @, ]" N# H- N5 U2 P$ |& N4 R3 x//**************************************************************************
: p$ B$ _6 y6 X# O  D/ P- L! ]9 ^! c# {//EDIT BLOCK 编辑方块
BlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
3 G5 c9 ^- K( e) n* VoldBlock->SetOriginAndLengths(origin, "100", "20", "50");
8 \  Q+ l5 |5 @6 a/ \" M# y9 aoldBlock->CommitFeature();
! {) w) v- u: b# `oldBlock->Destroy();
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