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使用OpenDoc6打开工程图文档
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Stack Overflow用户
提问于 2019-07-13 03:15:17
回答 1查看 631关注 0票数 4

我正在尝试使用vb.net OpenDoc6命令打开工程图文档。这是我的代码片段,我尝试遍历所有文件并尝试打开图形。

每当它试图打开文件时,它都会给我一个nullreferenceexception。我不能把这件事归结于一件特定的事情。这可能是我在调用OpenDoc时试图传递的参数。

代码语言:javascript
复制
Imports EPDM.Interop.epdm
Imports SldWorks
Imports SolidWorks.Interop
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System.Runtime.InteropServices
Imports System
Imports System.Diagnostics

Public Class TraverseFilesFolders

    Dim swApp As SldWorks.SldWorks
    Dim swDraw As SldWorks.DrawingDoc
    Dim swSheet As SldWorks.Sheet
    Dim swModDoc As SldWorks.ModelDoc2
    Dim longstatus As Integer = 0
    Dim longwarning As Integer = 0

    Dim vault As IEdmVault17
    Public Sub TraverseFilesFolders_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Try

            Dim Views() As EdmViewInfo = Nothing
            Dim vault5 As IEdmVault5 = New EdmVault5()
            vault = DirectCast(vault5, IEdmVault17)

            vault.GetVaultViews(Views, False)
            VaultsComboBox.Items.Clear()
            For Each View As EdmViewInfo In Views
                VaultsComboBox.Items.Add(View.mbsVaultName)
            Next
            If VaultsComboBox.Items.Count > 0 Then
                VaultsComboBox.Text = VaultsComboBox.Items(0)
            End If

        Catch ex As Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + vbCrLf + ex.Message)
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub

    Public Sub TraverseFoldersButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TraverseFoldersButton.Click

        Try

            'Log into selected vault as the current user
            vault.LoginAuto(VaultsComboBox.Text, Me.Handle.ToInt32())

            MessageBox.Show(vault.GetVaultType().ToString(), "Vault type")

            Dim log As String = Nothing
            vault.GetClientLog(log)
            'TextBox1.Text = log

            TraverseFolder(vault.RootFolder)

        Catch ex As Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + vbCrLf + ex.Message)
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub

    Public Sub TraverseFolder(ByVal CurFolder As IEdmFolder5)

        Try

            'Enumerate the files in the folder
            Dim FilePos As IEdmPos5
            FilePos = CurFolder.GetFirstFilePosition
            Dim file As IEdmFile5
            While Not FilePos.IsNull
                file = CurFolder.GetNextFile(FilePos)
                'Get its checked out status
                If file.IsLocked Then
                    ListBox2.Items.Add(file.LockPath)
                ElseIf Not file.IsLocked And file.GetLocalPath(CurFolder.ID).ToString.Contains("SLDDRW") Then
                    MessageBox.Show(file.GetLocalPath(CurFolder.ID).ToString)
                    Try
                        swModDoc = swApp.OpenDoc6(file.GetLocalPath(CurFolder.ID).ToString, 3, 0, "", longstatus, longwarning)
                    Catch ex As NullReferenceException
                        MessageBox.Show(ex.ToString)
                    End Try
                End If
            End While

            'Enumerate the subfolders in the folder
            Dim FolderPos As IEdmPos5
            FolderPos = CurFolder.GetFirstSubFolderPosition
            While Not FolderPos.IsNull
                Dim SubFolder As IEdmFolder5
                SubFolder = CurFolder.GetNextSubFolder(FolderPos)
                TraverseFolder(SubFolder)
            End While

        Catch ex As Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + vbCrLf + ex.Message)
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub

End Class
EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2019-07-16 03:21:26

swApp为空。有几种初始化方法,具体取决于您是要附加到现有的SOLIDWORKS会话还是创建一个新的会话。

要创建新会话,请执行以下操作:

代码语言:javascript
复制
swApp = New SldWorks()
swApp.Visible = True

要附加到现有会话,请执行以下操作:

代码语言:javascript
复制
swApp = CType(Marshal.GetActiveObject("SldWorks.Application"), ISldWorks)
票数 3
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/57012879

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