NX Open 切削层加载
2024-10-21 03:31:56
UF_CUT_LEVELS_load
Loads the current cut levels for the specified operation into the data
structure UF_CUT_LEVELS_t.
在.NET下面使用方法为NXOpen.UF.UFCutLevels.Load(ByVal operation_tag As NXOpen.Tag, ByRef cut_levels_ptr_addr() As NXOpen.UF.UFCutLevels.CutLevelsStruct)
可是你想加载成功,是不可能的。我觉得是在封装API库的时候出了点问题。
以下源代码会引发异常:
解决办法重新封装UF_CUT_LEVELS_load
以下为源代码:
1 #Region "UF_CUT_LEVELS_load"
2 Friend Function CreateException(ByVal errorCode As Integer) As NXOpen.NXException
3 Return NXOpen.NXException.Create(errorCode)
4 End Function
5
6 <DllImport("libufun.dll", EntryPoint:="UF_CUT_LEVELS_load", CallingConvention:=CallingConvention.Cdecl, CharSet:=CharSet.Ansi)> _
7 Private Function _CUT_LEVELS_load(ByVal operation_tag As Tag, ByRef cut_levels_ptr_addr As IntPtr) As Integer
8 End Function
9 Private Structure _CutLevelsStruct
10 Public num_levels As Integer
11 Public cut_levels As IntPtr
12 Public num_top_off_levels As Integer
13 Public top_off_levels As IntPtr
14 End Structure
15 ''' <summary>
16 ''' 加载切削层
17 ''' </summary>
18 ''' <param name="operation_tag">操作tag值</param>
19 ''' <param name="cut_levels_ptr_addr">切削层参数结构</param>
20 ''' <remarks>重写加载切削层结构</remarks>
21 Public Sub UF_CUT_LEVELS_load(ByVal operation_tag As NXOpen.Tag, ByRef cut_levels_ptr_addr As NXOpen.UF.UFCutLevels.CutLevelsStruct)
22 Dim ptr As IntPtr
23 NXOpen.Utilities.JAM.StartUFCall()
24 Dim errorCode As Integer = _CUT_LEVELS_load(operation_tag, ptr)
25 NXOpen.Utilities.JAM.EndUFCall()
26 If errorCode <> 0 Then
27 Throw CreateException(errorCode)
28 End If
29 Dim structArray As New _CutLevelsStruct
30 cut_levels_ptr_addr = New NXOpen.UF.UFCutLevels.CutLevelsStruct
31 structArray = DirectCast(Marshal.PtrToStructure(ptr, GetType(_CutLevelsStruct)), _CutLevelsStruct)
32 cut_levels_ptr_addr.num_levels = structArray.num_levels
33 Dim num As Integer = Marshal.SizeOf(GetType(NXOpen.UF.CutLevelSingle))
34 Dim num2 As Integer = structArray.num_levels
35 Dim zero As Long = structArray.cut_levels.ToInt64
36 If num2 > 0 Then
37 cut_levels_ptr_addr.cut_levels = New NXOpen.UF.CutLevelSingle(num2 - 1) {}
38 End If
39 If zero <> Nothing Then
40 Dim num6 As Integer = 0
41 Do While num6 < num2
42 cut_levels_ptr_addr.cut_levels(num6) = DirectCast(Marshal.PtrToStructure(CType(zero, IntPtr), GetType(NXOpen.UF.CutLevelSingle)), NXOpen.UF.CutLevelSingle)
43 zero = (zero + num)
44 num6 += 1
45 Loop
46 End If
47 'Marshal.FreeHGlobal(structArray.cut_levels)
48 structArray.cut_levels = IntPtr.Zero
49
50 cut_levels_ptr_addr.num_top_off_levels = structArray.num_top_off_levels
51 num2 = structArray.num_top_off_levels
52 num = Marshal.SizeOf(GetType(NXOpen.UF.CutLevelSingle))
53 zero = structArray.top_off_levels.ToInt64
54 If (num2 > 0) Then
55 cut_levels_ptr_addr.top_off_levels = New NXOpen.UF.CutLevelSingle(num2 - 1) {}
56 End If
57 If (zero <> Nothing) Then
58 For num6 = 0 To num2 - 1
59 cut_levels_ptr_addr.top_off_levels(num6) = DirectCast(Marshal.PtrToStructure(CType(zero, IntPtr), GetType(NXOpen.UF.CutLevelSingle)), NXOpen.UF.CutLevelSingle)
60 zero = (zero + num)
61 Next num6
62 End If
63 'Marshal.FreeHGlobal(structArray.top_off_levels)
64 structArray.top_off_levels = IntPtr.Zero
65 End Sub
66 #End Region
查看代码
调用方法如下:
这样就解决了问题,不过缺陷是:由于本人技术有限,没有卸载非托管代码使用的的内存。还望大牛们赐教!!!
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