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
4 g; {9 R7 G. s1.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.
编辑创建的builder，设置一些参数或者选项
( t- Y6 `, l, b5 L3 R1 {3.Use the Commit method of the builder object to create an instance of the feature.  The Commit method will return the new feature object.
1 c9 C. h# C+ }/ q! ~9 v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
% l' J" J: q. n; i6 a- l. S4.Use the Destroy method of the builder object to delete the builder object.
8 ]  O) j- a7 w1 n使用destory方法删除builder对象。
8 s8 [4 C$ c/ Y+ R/ \( L& [% P编辑特征也是同样的操作过程！

代码举例：
* p3 ^* ^7 @7 n5 x8 h+ oSession *NXSession = Session::GetSession();
Part *workPart (NXSession->Parts()->Work());
Feature *nullFeature (NULL);
Point3d origin = new Point3d(0.0, 0.0, 0.0);
//**************************************************************************
//CREATE BLOCK 创建方块
( [8 A& s5 _- u$ YBlockFeatureBuilder *newBlock = NULL;
newBlock = workPart->Features()->CreateBlockFeatureBuilder(nullFeature);
newBlock->SetOriginAndLengths(origin, "50", "80", "100");
( ^% p1 R; {4 |4 D+ NFeature *blockFeature = newBlock->CommitFeature();
1 m& l8 R1 s, c/ N: qnewBlock->Destroy();
//**************************************************************************
6 ]; u2 {- l+ C$ L! @: Q3 V//EDIT BLOCK 编辑方块
: a- J0 P% u/ O, tBlockFeatureBuilder *oldBlock = workPart->Features()->CreateBlockFeatureBuilder(blockFeature);
oldBlock->SetOriginAndLengths(origin, "100", "20", "50");
; g% k& L2 ]% [  a+ U& PoldBlock->CommitFeature();
  U1 R: m3 S' YoldBlock->Destroy();

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