solidworks二次开发学习（1）如何选中一个草图并遍历草图中的所有直线

 1 Imports SolidWorks.Interop.sldworks
 2 Imports SolidWorks.Interop.swconst
 3 Imports System.Runtime.InteropServices
 4 Imports System
 5 
 6 Partial Class SolidWorksMacro
 7 
 8     Public Sub main()
 9 
10 
11             Dim swDoc As ModelDoc2 = Nothing
12             Dim swPart As PartDoc = Nothing
13             Dim swDrawing As DrawingDoc = Nothing
14             Dim swAssembly As AssemblyDoc = Nothing
15             Dim boolstatus As Boolean = false
16             Dim longstatus As Integer = 0
17             Dim longwarnings As Integer = 0
18             swDoc = CType(swApp.ActiveDoc,ModelDoc2)
19         boolstatus = swDoc.Extension.SelectByID2("AIR_UP_SKETCH", "SKETCH", 0, 0, 0, False, 0, Nothing, 0)
20         swDoc.EditSketch()
21         swDoc.ClearSelection2(True)
22 
23         Dim theSketch As Sketch
24         theSketch = swDoc.GetActiveSketch2
25         Dim vSketchSeg As Object
26         vSketchSeg = theSketch.GetSketchSegments
27         Dim swSketchSeg As SketchSegment
28         Dim k = 0
29         If Not IsNothing(vSketchSeg) Then
30             For k = 0 To UBound(vSketchSeg)
31                 swSketchSeg = vSketchSeg(k)
32                 swSketchSeg.SelectByMark(True, 0)
33             Next k
34         End If
35 
36 
37 
38     End Sub
39 
40     ‘‘‘ <summary>
41     ‘‘‘ The SldWorks swApp variable is pre-assigned for you.
42     ‘‘‘ </summary>
43     Public swApp As SldWorks
44 
45 
46 End Class