NX二次开发源码分享：选择管道routing线段的方法

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- i+ Q4 R; Y1 {- f5 J4 m" lNX二次开发源码分享：选择管道routing线段的方法
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代码是C#的，主要是告诉大家masktriple的设置如下：


+ F& l2 f" J9 |4 [mask[0].Type = 0;
+ \# c9 @$ e, Y, A* H. ~mask[0].Subtype = 0;
mask[0].SolidBodySubtype = UFConstants.UF_UI_SEL_FEATURE_ROUTING_CURVE_ONLY;

. g. I5 ~. n2 W+ N3 [[mw_shl_code=c,true] public static Selection.Response select_route_segment(string prompt, ref TaggedObject obj)
    {
        TaggedObject selobj;
* `  U5 B9 n1 B5 ^  k# |        UI ui = UI.GetUI();
        Selection.MaskTriple[] mask = new Selection.MaskTriple[1];
        {
& V7 r, }! `+ Q+ _& G3 V" k+ H6 [' }0 Z0 e6 \            mask[0].Type = 0;
+ }& [4 }/ V! b. h            mask[0].Subtype = 0;
            mask[0].SolidBodySubtype = UFConstants.UF_UI_SEL_FEATURE_ROUTING_CURVE_ONLY;
        }
. }* b! Q, [" O1 u) }        Point3d cursor = default(Point3d);
; h; x+ i/ m" q, z) l. \$ ^        
  y/ d# t3 e" n6 X1 f        Selection.Response resp = ui.SelectionManager.SelectTaggedObject(prompt, prompt, Selection.SelectionScope.AnyInAssembly, Selection.SelectionAction.ClearAndEnableSpecific, false, false, mask, out selobj, out cursor);
        
' o4 `$ B& n, l& _/ w: T2 n0 p        if (resp == Selection.Response.ObjectSelected | resp == Selection.Response.ObjectSelectedByName)
        {
            obj = selobj;
            return Selection.Response.Ok;
1 }% u. M% ~. N! M- v5 V        }
: O8 Q+ H) [' }7 ]$ h1 w        else
        {
9 q4 @) B4 _6 g- X            return Selection.Response.Cancel;
9 ~; O7 z' c, k: t        }
2 [) {( m& W, y$ w* y    } [/mw_shl_code]
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