.net做UG NX二次开发（VB.net） / NX Secondry Dev. with .net using VB.net Code

用.net语言（C#、VB等）开发UG NX二次开发，一定要弄清楚NXOpen和NXOpen.UF的区别。可以看看我以前发的帖子。

以下内容来自与http://bbs.icax.cn/491598p1p1

真的要特别感谢名叫“苏州人”的网友贴了这么多代码。不过这些代码的也是属于NXOpen.UF的使用，不是真正的NXOpen。操作录制的才是真正的NXOpen形式（参见我以前的帖子）

不过，广告部分我就不贴了，呵呵。

第一个例子：怎样用VB.NET在UG中创建一个点?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module CreatePoint
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim sp As New Point3d(0, 0, 0)
Dim thePoint As Point = s.Parts.Work.Points.CreatePoint(sp)
End Sub
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module第二个例子：怎样用VB.NET在UG中创建一个条线?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module template_code
Dim s As Session = Session.GetSession()
Sub Main()
Dim sp As New Point3d(0, 0, 0)
Dim ep As New Point3d(10, 10, 0)
Dim theLine As Line = s.Parts.Work.Curves.CreateLine(sp, ep)
End Sub
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module
第三个例子：怎样用VB.NET在UG中创建一个圆柱，然后更改它的颜色?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module create_a_cylinder_and_set_color
Sub Main()
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Dim wp As Part = s.Parts.Work()
Dim cyl_feat_tag As NXOpen.Tag
Dim orig() As Double = {1, 1, 0}
Dim dir() As Double = {1, 1, 1}
ufs.Modl.CreateCylinder(FeatureSigns.Nullsign, Nothing, orig, "50", _
"25", dir, cyl_feat_tag)
Dim cyl_body_tag As NXOpen.Tag
ufs.Modl.AskFeatBody(cyl_feat_tag, cyl_body_tag)
Dim cyl_body As Body = CType(NXObjectManager.Get(cyl_body_tag), Body)
MsgBox("Color change", MsgBoxStyle.Information, "Current Operation:")
cyl_body.Color = 3
cyl_body.RedisplayObject()
s.Preferences.ScreenVisualization.FitPercentage = 95
wp.Views.WorkView.Fit()
end Sub
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module
第四个例子：怎样用VB.NET在UG中创建注释?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module create_note
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim theNote As NXOpen.Tag
Try
Dim workPart As Part = s.Parts.Work
Dim workPartTag As NXOpen.Tag = workPart.Tag
Catch ex As Exception
ufs.Ui.OpenListingWindow()
ufs.Ui.WriteListingWindow(ex.GetBaseException.ToString())
ufs.Ui.WriteListingWindow(vbCrLf & "+++ Work Part Required" & vbCrLf)
Return
End Try
Dim num_lines As Integer = 2
Dim textString As String() = {"This is the first line.", _
"This is the second line."}
Dim origin_3d() As Double = {6, 6, 0}
Dim orientation As Integer = 0 ' zero is Horizontal, 1 is Vertical
Try
ufs.Drf.CreateNote(num_lines, textString, origin_3d, _
orientation, theNote)
Catch ex As Exception
ufs.Ui.OpenListingWindow()
ufs.Ui.WriteListingWindow(ex.GetBaseException.ToString())
ufs.Ui.WriteListingWindow(vbCrLf & "+++ Note not created" & vbCrLf)
End Try
End Sub
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module
第五个例子：怎样用VB.NET在UG中创建两个体然后做布尔加操作?
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module template_code
Sub Main()
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
'
' ------------------------------------------------- make sure we have a part
Dim this_part As NXOpen.Tag
Try
this_part = s.Parts.Work.Tag
Catch ex As Exception
If this_part = NXOpen.Tag.Null Then
MsgBox("You need an open part to run this program.", MsgBoxStyle.OKOnly)
' no part, so exit program gracefully
Exit Sub
End If
End Try
'
' ------------------------------------------------- first solid: a block
Dim corner_pt(2) As Double
Dim block_feat_tag As NXOpen.Tag
Dim edge_lengths(2) As String
' This is an alternate way to set the string value:
'
'Dim lengths(2) As Double
'lengths(0) = 150.1234
'edge_lengths(0) = lengths(0).ToString
'
' but setting it this way, we get the expression to boot:
edge_lengths(0) = "xlen=150.1234"
edge_lengths(1) = "ylen=65.4321"
edge_lengths(2) = "thickness=25."
Dim sign As FeatureSigns
sign = FeatureSigns.Nullsign
corner_pt(0) = 20
corner_pt(1) = 30
corner_pt(2) = -10
ufs.Modl.CreateBlock1(sign, corner_pt, edge_lengths, block_feat_tag)
If block_feat_tag <> NXOpen.Tag.Null Then
ufs.View.FitView(NXOpen.Tag.Null, 1.0)
MsgBox("First Solid Body tag is: " & block_feat_tag.ToString)
End If
'
' ------------------------------------------------- second solid: a cylinder
Dim height As String
Dim diameter As String
Dim direction(2) As Double
Dim cyl_feat_tag As NXOpen.Tag
height = "cyl_height=90"
diameter = "cyl_dia=40"
direction(0) = 0.707
direction(1) = 0.707
direction(2) = 0.707
ufs.Modl.CreateCyl1(sign, corner_pt, height, diameter, direction, cyl_feat_tag)
If cyl_feat_tag <> NXOpen.Tag.Null Then
ufs.View.FitView(NXOpen.Tag.Null, 1.0)
MsgBox("Second Solid Body tag is: " & cyl_feat_tag.ToString)
End If
'
' ------------------------------------------------- unite the two solids
Dim block_body_tag As NXOpen.Tag
Dim cyl_body_tag As NXOpen.Tag
ufs.Modl.AskFeatBody(block_feat_tag, block_body_tag)
ufs.Modl.AskFeatBody(cyl_feat_tag, cyl_body_tag)
ufs.Modl.UniteBodies(block_body_tag, cyl_body_tag)
'
' ------------------------------------------------- report count of solids
Dim all_bodies() As Body = s.Parts.Work.Bodies.ToArray()
Dim body_count As Integer
body_count = all_bodies.Length
MsgBox("Count of Bodies now in Work Part: " & body_count)
End Sub
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module第六个例子：怎样用VB.NET在UG中选择一个体?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UI
Imports NXOpen.Utilities
Imports NXOpen.UF
Module select_a_body_demo
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim body As NXOpen.Tag
While select_a_body(body) = Selection.Response.Ok
MsgBox("Body Tag:" & body.ToString())
ufs.Disp.SetHighlight(body, 0)
End While
End Sub
Function select_a_body(ByRef body As NXOpen.Tag) As Selection.Response
Dim message As String
Dim title As String = "Select a body"
Dim scope As Integer = UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY
Dim response As Integer
Dim obj As NXOpen.Tag
Dim view As NXOpen.Tag
Dim cursor(2) As Double
Dim ip As UFUi.SelInitFnT = AddressOf init_proc
ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
Try
ufs.Ui.SelectWithSingleDialog(message, title, scope, ip, _
Nothing, response, body, cursor, view)
Finally
ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
End Try
If response <> UFConstants.UF_UI_OBJECT_SELECTED And _
response <> UFConstants.UF_UI_OBJECT_SELECTED_BY_NAME Then
Return Selection.Response.Cancel
Else
Return Selection.Response.Ok
End If
End Function
Function init_proc(ByVal select_ As IntPtr, _
ByVal userdata As IntPtr) As Integer
Dim num_triples As Integer = 1
Dim mask_triples(0) As UFUi.Mask
mask_triples(0).object_type = UFConstants.UF_solid_type
mask_triples(0).object_subtype = UFConstants.UF_solid_body_subtype
mask_triples(0).solid_type = UFConstants.UF_UI_SEL_FEATURE_BODY
ufs.Ui.SetSelMask(select_, _
UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _
num_triples, mask_triples)
Return UFConstants.UF_UI_SEL_SUCCESS
End Function
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module
第七个例子：怎样用VB.NET在UG中选择一个面?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UI
Imports NXOpen.Utilities
Imports NXOpen.UF
Module select_a_face_demo
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim face As NXOpen.Tag
While select_a_face(face) = Selection.Response.Ok
MsgBox("Face Tag:" & face.ToString())
ufs.Disp.SetHighlight(face, 0)
End While
End Sub
Function select_a_face(ByRef face As NXOpen.Tag) As Selection.Response
Dim message As String
Dim title As String = "Select a FACE"
Dim scope As Integer = UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY
Dim response As Integer
Dim obj As NXOpen.Tag
Dim view As NXOpen.Tag
Dim cursor(2) As Double
Dim mask_face As UFUi.SelInitFnT = AddressOf mask_for_faces
ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
Try
ufs.Ui.SelectWithSingleDialog(message, title, scope, mask_face, _
Nothing, response, face, cursor, view)
Finally
ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
End Try
If response <> UFConstants.UF_UI_OBJECT_SELECTED And _
response <> UFConstants.UF_UI_OBJECT_SELECTED_BY_NAME Then
Return Selection.Response.Cancel
Else
Return Selection.Response.Ok
End If
End Function
Function mask_for_faces(ByVal select_ As IntPtr, _
ByVal userdata As IntPtr) As Integer
Dim num_triples As Integer = 1
Dim mask_triples(0) As UFUi.Mask
mask_triples(0).object_type = UFConstants.UF_solid_type
mask_triples(0).object_subtype = UFConstants.UF_solid_face_subtype
mask_triples(0).solid_type = UFConstants.UF_UI_SEL_FEATURE_ANY_FACE
ufs.Ui.SetSelMask(select_, _
UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _
num_triples, mask_triples)
Return UFConstants.UF_UI_SEL_SUCCESS
End Function
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module select_curves_or_edges
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim curves() As NXOpen.Tag
Dim num_curves As Integer
Dim n As String = vbCrLf
num_curves = select_curves_or_edges("Select Curves or Edges:", curves)
If (num_curves) > 0 Then
ufs.Ui.OpenListingWindow()
ufs.Ui.WriteListingWindow("Selected count: " & num_curves.ToString & n)
End If
End Sub
Function select_curves_or_edges(ByVal prompt As String, _
ByRef curves() As NXOpen.Tag) As Integer
Dim cnt As Integer = 0
Dim response As Integer
Dim inx As Integer = 0
Dim mask_crvs As UFUi.SelInitFnT = AddressOf mask_for_curves
ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
Try
ufs.Ui.SelectWithClassDialog(prompt, "Curves:", _
UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY, _
mask_crvs, Nothing, response, cnt, curves)
Finally
ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
End Try
For inx = 0 To curves.Length - 1
ufs.Disp.SetHighlight(curves(inx), 0)
Next
Return cnt
End Function
Function mask_for_curves(ByVal select_ As IntPtr, _
ByVal userdata As IntPtr) As Integer
Dim num_triples As Integer = 6
Dim mask_triples(5) As UFUi.Mask
mask_triples(0).object_type = UFConstants.UF_line_type
mask_triples(0).object_subtype = 0
mask_triples(0).solid_type = 0
mask_triples(1).object_type = UFConstants.UF_circle_type
mask_triples(1).object_subtype = 0
mask_triples(1).solid_type = 0
mask_triples(2).object_type = UFConstants.UF_conic_type
mask_triples(2).object_subtype = 0
mask_triples(2).solid_type = 0
mask_triples(3).object_type = UFConstants.UF_spline_type
mask_triples(3).object_subtype = 0
mask_triples(3).solid_type = 0
mask_triples(4).object_type = UFConstants.UF_point_type
mask_triples(4).object_subtype = 0
mask_triples(4).solid_type = 0
mask_triples(5).object_type = UFConstants.UF_solid_type
mask_triples(5).object_subtype = 0
mask_triples(5).solid_type = UFConstants.UF_UI_SEL_FEATURE_ANY_EDGE
ufs.Ui.SetSelMask(select_, _
UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _
num_triples, mask_triples)
Return UFConstants.UF_UI_SEL_SUCCESS
End Function
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module

第一个例子：怎样用VB.NET在UG中创建一个点? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module CreatePoint Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Sub Main() Dim sp As New Point3d(0, 0, 0) Dim thePoint As Point = s.Parts.Work.Points.CreatePoint(sp) End Sub Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module第二个例子：怎样用VB.NET在UG中创建一个条线? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module template_code Dim s As Session = Session.GetSession() Sub Main() Dim sp As New Point3d(0, 0, 0) Dim ep As New Point3d(10, 10, 0) Dim theLine As Line = s.Parts.Work.Curves.CreateLine(sp, ep) End Sub Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module 第三个例子：怎样用VB.NET在UG中创建一个圆柱，然后更改它的颜色? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module create_a_cylinder_and_set_color Sub Main() Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Dim wp As Part = s.Parts.Work() Dim cyl_feat_tag As NXOpen.Tag Dim orig() As Double = {1, 1, 0} Dim dir() As Double = {1, 1, 1} ufs.Modl.CreateCylinder(FeatureSigns.Nullsign, Nothing, orig, "50", _ "25", dir, cyl_feat_tag) Dim cyl_body_tag As NXOpen.Tag ufs.Modl.AskFeatBody(cyl_feat_tag, cyl_body_tag) Dim cyl_body As Body = CType(NXObjectManager.Get(cyl_body_tag), Body) MsgBox("Color change", MsgBoxStyle.Information, "Current Operation:") cyl_body.Color = 3 cyl_body.RedisplayObject() s.Preferences.ScreenVisualization.FitPercentage = 95 wp.Views.WorkView.Fit() end Sub Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module 第四个例子：怎样用VB.NET在UG中创建注释? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module create_note Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Sub Main() Dim theNote As NXOpen.Tag Try Dim workPart As Part = s.Parts.Work Dim workPartTag As NXOpen.Tag = workPart.Tag Catch ex As Exception ufs.Ui.OpenListingWindow() ufs.Ui.WriteListingWindow(ex.GetBaseException.ToString()) ufs.Ui.WriteListingWindow(vbCrLf & "+++ Work Part Required" & vbCrLf) Return End Try Dim num_lines As Integer = 2 Dim textString As String() = {"This is the first line.", _ "This is the second line."} Dim origin_3d() As Double = {6, 6, 0} Dim orientation As Integer = 0 ' zero is Horizontal, 1 is Vertical Try ufs.Drf.CreateNote(num_lines, textString, origin_3d, _ orientation, theNote) Catch ex As Exception ufs.Ui.OpenListingWindow() ufs.Ui.WriteListingWindow(ex.GetBaseException.ToString()) ufs.Ui.WriteListingWindow(vbCrLf & "+++ Note not created" & vbCrLf) End Try End Sub Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module 第五个例子：怎样用VB.NET在UG中创建两个体然后做布尔加操作? Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module template_code Sub Main() Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() ' ' ------------------------------------------------- make sure we have a part Dim this_part As NXOpen.Tag Try this_part = s.Parts.Work.Tag Catch ex As Exception If this_part = NXOpen.Tag.Null Then MsgBox("You need an open part to run this program.", MsgBoxStyle.OKOnly) ' no part, so exit program gracefully Exit Sub End If End Try ' ' ------------------------------------------------- first solid: a block Dim corner_pt(2) As Double Dim block_feat_tag As NXOpen.Tag Dim edge_lengths(2) As String ' This is an alternate way to set the string value: ' 'Dim lengths(2) As Double 'lengths(0) = 150.1234 'edge_lengths(0) = lengths(0).ToString ' ' but setting it this way, we get the expression to boot: edge_lengths(0) = "xlen=150.1234" edge_lengths(1) = "ylen=65.4321" edge_lengths(2) = "thickness=25." Dim sign As FeatureSigns sign = FeatureSigns.Nullsign corner_pt(0) = 20 corner_pt(1) = 30 corner_pt(2) = -10 ufs.Modl.CreateBlock1(sign, corner_pt, edge_lengths, block_feat_tag) If block_feat_tag <> NXOpen.Tag.Null Then ufs.View.FitView(NXOpen.Tag.Null, 1.0) MsgBox("First Solid Body tag is: " & block_feat_tag.ToString) End If ' ' ------------------------------------------------- second solid: a cylinder Dim height As String Dim diameter As String Dim direction(2) As Double Dim cyl_feat_tag As NXOpen.Tag height = "cyl_height=90" diameter = "cyl_dia=40" direction(0) = 0.707 direction(1) = 0.707 direction(2) = 0.707 ufs.Modl.CreateCyl1(sign, corner_pt, height, diameter, direction, cyl_feat_tag) If cyl_feat_tag <> NXOpen.Tag.Null Then ufs.View.FitView(NXOpen.Tag.Null, 1.0) MsgBox("Second Solid Body tag is: " & cyl_feat_tag.ToString) End If ' ' ------------------------------------------------- unite the two solids Dim block_body_tag As NXOpen.Tag Dim cyl_body_tag As NXOpen.Tag ufs.Modl.AskFeatBody(block_feat_tag, block_body_tag) ufs.Modl.AskFeatBody(cyl_feat_tag, cyl_body_tag) ufs.Modl.UniteBodies(block_body_tag, cyl_body_tag) ' ' ------------------------------------------------- report count of solids Dim all_bodies() As Body = s.Parts.Work.Bodies.ToArray() Dim body_count As Integer body_count = all_bodies.Length MsgBox("Count of Bodies now in Work Part: " & body_count) End Sub Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module第六个例子：怎样用VB.NET在UG中选择一个体? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UI Imports NXOpen.Utilities Imports NXOpen.UF Module select_a_body_demo Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Sub Main() Dim body As NXOpen.Tag While select_a_body(body) = Selection.Response.Ok MsgBox("Body Tag:" & body.ToString()) ufs.Disp.SetHighlight(body, 0) End While End Sub Function select_a_body(ByRef body As NXOpen.Tag) As Selection.Response Dim message As String Dim title As String = "Select a body" Dim scope As Integer = UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY Dim response As Integer Dim obj As NXOpen.Tag Dim view As NXOpen.Tag Dim cursor(2) As Double Dim ip As UFUi.SelInitFnT = AddressOf init_proc ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) Try ufs.Ui.SelectWithSingleDialog(message, title, scope, ip, _ Nothing, response, body, cursor, view) Finally ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) End Try If response <> UFConstants.UF_UI_OBJECT_SELECTED And _ response <> UFConstants.UF_UI_OBJECT_SELECTED_BY_NAME Then Return Selection.Response.Cancel Else Return Selection.Response.Ok End If End Function Function init_proc(ByVal select_ As IntPtr, _ ByVal userdata As IntPtr) As Integer Dim num_triples As Integer = 1 Dim mask_triples(0) As UFUi.Mask mask_triples(0).object_type = UFConstants.UF_solid_type mask_triples(0).object_subtype = UFConstants.UF_solid_body_subtype mask_triples(0).solid_type = UFConstants.UF_UI_SEL_FEATURE_BODY ufs.Ui.SetSelMask(select_, _ UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _ num_triples, mask_triples) Return UFConstants.UF_UI_SEL_SUCCESS End Function Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module 第七个例子：怎样用VB.NET在UG中选择一个面? Option Strict Off Imports System Imports NXOpen Imports NXOpen.UI Imports NXOpen.Utilities Imports NXOpen.UF Module select_a_face_demo Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Sub Main() Dim face As NXOpen.Tag While select_a_face(face) = Selection.Response.Ok MsgBox("Face Tag:" & face.ToString()) ufs.Disp.SetHighlight(face, 0) End While End Sub Function select_a_face(ByRef face As NXOpen.Tag) As Selection.Response Dim message As String Dim title As String = "Select a FACE" Dim scope As Integer = UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY Dim response As Integer Dim obj As NXOpen.Tag Dim view As NXOpen.Tag Dim cursor(2) As Double Dim mask_face As UFUi.SelInitFnT = AddressOf mask_for_faces ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) Try ufs.Ui.SelectWithSingleDialog(message, title, scope, mask_face, _ Nothing, response, face, cursor, view) Finally ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) End Try If response <> UFConstants.UF_UI_OBJECT_SELECTED And _ response <> UFConstants.UF_UI_OBJECT_SELECTED_BY_NAME Then Return Selection.Response.Cancel Else Return Selection.Response.Ok End If End Function Function mask_for_faces(ByVal select_ As IntPtr, _ ByVal userdata As IntPtr) As Integer Dim num_triples As Integer = 1 Dim mask_triples(0) As UFUi.Mask mask_triples(0).object_type = UFConstants.UF_solid_type mask_triples(0).object_subtype = UFConstants.UF_solid_face_subtype mask_triples(0).solid_type = UFConstants.UF_UI_SEL_FEATURE_ANY_FACE ufs.Ui.SetSelMask(select_, _ UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _ num_triples, mask_triples) Return UFConstants.UF_UI_SEL_SUCCESS End Function Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module Option Strict Off Imports System Imports NXOpen Imports NXOpen.UF Imports NXOpen.UI Imports NXOpen.Utilities Module select_curves_or_edges Dim s As Session = Session.GetSession() Dim ufs As UFSession = UFSession.GetUFSession() Sub Main() Dim curves() As NXOpen.Tag Dim num_curves As Integer Dim n As String = vbCrLf num_curves = select_curves_or_edges("Select Curves or Edges:", curves) If (num_curves) > 0 Then ufs.Ui.OpenListingWindow() ufs.Ui.WriteListingWindow("Selected count: " & num_curves.ToString & n) End If End Sub Function select_curves_or_edges(ByVal prompt As String, _ ByRef curves() As NXOpen.Tag) As Integer Dim cnt As Integer = 0 Dim response As Integer Dim inx As Integer = 0 Dim mask_crvs As UFUi.SelInitFnT = AddressOf mask_for_curves ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) Try ufs.Ui.SelectWithClassDialog(prompt, "Curves:", _ UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY, _ mask_crvs, Nothing, response, cnt, curves) Finally ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM) End Try For inx = 0 To curves.Length - 1 ufs.Disp.SetHighlight(curves(inx), 0) Next Return cnt End Function Function mask_for_curves(ByVal select_ As IntPtr, _ ByVal userdata As IntPtr) As Integer Dim num_triples As Integer = 6 Dim mask_triples(5) As UFUi.Mask mask_triples(0).object_type = UFConstants.UF_line_type mask_triples(0).object_subtype = 0 mask_triples(0).solid_type = 0 mask_triples(1).object_type = UFConstants.UF_circle_type mask_triples(1).object_subtype = 0 mask_triples(1).solid_type = 0 mask_triples(2).object_type = UFConstants.UF_conic_type mask_triples(2).object_subtype = 0 mask_triples(2).solid_type = 0 mask_triples(3).object_type = UFConstants.UF_spline_type mask_triples(3).object_subtype = 0 mask_triples(3).solid_type = 0 mask_triples(4).object_type = UFConstants.UF_point_type mask_triples(4).object_subtype = 0 mask_triples(4).solid_type = 0 mask_triples(5).object_type = UFConstants.UF_solid_type mask_triples(5).object_subtype = 0 mask_triples(5).solid_type = UFConstants.UF_UI_SEL_FEATURE_ANY_EDGE ufs.Ui.SetSelMask(select_, _ UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _ num_triples, mask_triples) Return UFConstants.UF_UI_SEL_SUCCESS End Function Public Function GetUnloadOption(ByVal dummy As String) As Integer GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY End Function End Module

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第八个例子：怎样用VB.NET在UG中选择曲线和边?
Option Strict Off
Imports System
Imports NXOpen
Imports NXOpen.UF
Imports NXOpen.UI
Imports NXOpen.Utilities
Module select_curves_or_edges
Dim s As Session = Session.GetSession()
Dim ufs As UFSession = UFSession.GetUFSession()
Sub Main()
Dim curves() As NXOpen.Tag
Dim num_curves As Integer
Dim n As String = vbCrLf
num_curves = select_curves_or_edges("Select Curves or Edges:", curves)
If (num_curves) > 0 Then
ufs.Ui.OpenListingWindow()
ufs.Ui.WriteListingWindow("Selected count: " & num_curves.ToString & n)
End If
End Sub
Function select_curves_or_edges(ByVal prompt As String, _
ByRef curves() As NXOpen.Tag) As Integer
Dim cnt As Integer = 0
Dim response As Integer
Dim inx As Integer = 0
Dim mask_crvs As UFUi.SelInitFnT = AddressOf mask_for_curves
ufs.Ui.LockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
Try
ufs.Ui.SelectWithClassDialog(prompt, "Curves:", _
UFConstants.UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY, _
mask_crvs, Nothing, response, cnt, curves)
Finally
ufs.Ui.UnlockUgAccess(UFConstants.UF_UI_FROM_CUSTOM)
End Try
For inx = 0 To curves.Length - 1
ufs.Disp.SetHighlight(curves(inx), 0)
Next
Return cnt
End Function
Function mask_for_curves(ByVal select_ As IntPtr, _
ByVal userdata As IntPtr) As Integer
Dim num_triples As Integer = 6
Dim mask_triples(5) As UFUi.Mask
mask_triples(0).object_type = UFConstants.UF_line_type
mask_triples(0).object_subtype = 0
mask_triples(0).solid_type = 0
mask_triples(1).object_type = UFConstants.UF_circle_type
mask_triples(1).object_subtype = 0
mask_triples(1).solid_type = 0
mask_triples(2).object_type = UFConstants.UF_conic_type
mask_triples(2).object_subtype = 0
mask_triples(2).solid_type = 0
mask_triples(3).object_type = UFConstants.UF_spline_type
mask_triples(3).object_subtype = 0
mask_triples(3).solid_type = 0
mask_triples(4).object_type = UFConstants.UF_point_type
mask_triples(4).object_subtype = 0
mask_triples(4).solid_type = 0
mask_triples(5).object_type = UFConstants.UF_solid_type
mask_triples(5).object_subtype = 0
mask_triples(5).solid_type = UFConstants.UF_UI_SEL_FEATURE_ANY_EDGE
ufs.Ui.SetSelMask(select_, _
UFUi.SelMaskAction.SelMaskClearAndEnableSpecific, _
num_triples, mask_triples)
Return UFConstants.UF_UI_SEL_SUCCESS
End Function
Public Function GetUnloadOption(ByVal dummy As String) As Integer
GetUnloadOption = UFConstants.UF_UNLOAD_IMMEDIATELY
End Function
End Module

原文：http://blog.csdn.net/begtostudy/archive/2009/10/30/4750017.aspx

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