使用NXOpen C++创建和编辑特征的详细过程，一看就会！

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5 }& W8 a4 _' bCreate 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.
" P6 }8 h( N) f8 _% o创建一个builder实例，null作为输入
5 L9 h: }2 B8 M: q) V6 D2.Edit the properties of the builder object to set the feature parameters and options.
5 l4 F  F, d! ]9 A% Z: ?7 N2 a$ \编辑创建的builder，设置一些参数或者选项
& ~) }1 q7 p( k7 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
/ G4 g3 Q% W, Y4.Use the Destroy method of the builder object to delete the builder object.
3 u, W3 T% `  b) W1 A$ Q" \使用destory方法删除builder对象。
编辑特征也是同样的操作过程！

6 J, t. g  `: b0 W! O代码举例：
4 j  G) w% i% A0 b+ USession *NXSession = Session::GetSession();
% `; `: A. U  Y3 p  I" P# rPart *workPart (NXSession->Parts()->Work());
% \  R+ \" c3 N( S6 j/ b0 @( _Feature *nullFeature (NULL);
* W; q  W4 Z0 G) h9 ?Point3d origin = new Point3d(0.0, 0.0, 0.0);
7 N" U5 e' d0 R- q//**************************************************************************
8 B6 q( |0 x4 g6 S3 o+ q//CREATE BLOCK 创建方块
) P8 ~% H' o) MBlockFeatureBuilder *newBlock = NULL;
- ?2 N0 A8 j. |$ |newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
Feature *blockFeature = newBlock->CommitFeature();
: c; ]# i  m7 OnewBlock->Destroy();
* u! s3 {3 ]& r: A//**************************************************************************
//EDIT BLOCK 编辑方块
# ~+ ~. p  ?' f7 ?0 w# F4 V; FBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
% e& o9 ]2 x+ M& E5 ]oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
% b  @" ^( B$ v5 \/ l1 {+ |oldBlock->CommitFeature();
oldBlock->Destroy();
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