#define FaceRules_SingleFace (1 << 0); //单个面
#define FaceRules_RegionFaces (1 << 1); //区域面
#define FaceRules_TangentFaces (1 << 2); //相切面
#define FaceRules_TangentRegionFaces (1 << 3); //相切区域面
#define FaceRules_BodyFaces (1 << 4); //体的面
#define FaceRules_FeatureFaces (1 << 5); //特征面
#define FaceRules_AdjacentFaces (1 << 6); //相邻面
#define FaceRules_ConnectedBlendFaces (1 << 7); //相连的圆角面
#define FaceRules_AllBlendFaces (1 << 8); //所有圆角面
#define FaceRules_RibFaces (1 << 9); //筋板面
#define FaceRules_SlotFaces (1 <<10); //键槽面
#define FaceRules_BossandPocketFaces (1 <<11); //凸台面或腔面
#define FaceRules_MergedRibFaces (1 <<12); //已合并的筋板面
#define FaceRules_RegionBoundaryFaces (1 <<13); //区域边界面
#define FaceRules_FaceandAdjacentFaces (1 <<14); //面与相邻面

 

//用法

face_select0->SetSelectModeAsString("Single");  //设置单选 多选

int FaceRules = FaceRules_SingleFace ；
face_select0->SetFaceRules(FaceRules );