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Keep SOLIDWORKS Invisible While Activating Documents Example (VB.NET)

This example shows how to keep SOLIDWORKS invisible while activating SOLIDWORKS documents, including assembly component files, and saving those documents as PDF files.

'------------------------------------------------------
' Preconditions:
' 1. Verify that the specified assembly file exists.
' 2. Verify that c:\temp exists.
' 3. Open the Immediate window.
'
' Postconditions:
' 1. Saves the specified assembly file and its
'    component files as PDF files to the c:\temp.
' 2. Examine the Immediate window and c:\temp.
'--------------------------------------------------------
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System
Imports System.Diagnostics


Partial Class SolidWorksMacro


    Public swModel As ModelDoc2
    Public swExtension As ModelDocExtension


    Public Sub main()


        Dim pFrame As Frame
        Dim Document As String
        Dim Output As String


        On Error GoTo Fail


        ' Allow SOLIDWORKS to run in the background
        ' and be invisible
        swApp.UserControl = False


        ' If the following property is true, then the
        ' SOLIDWORKS frame will be visible on a call to
        ' ISldWorks::ActivateDoc2; so, set it to false
        swApp.Visible = False


        ' Keep SOLIDWORKS frame invisible when
        ' ISldWorks::ActivateDoc2 is called
        pFrame = swApp.Frame
        pFrame.KeepInvisible = True


        Document = "C:\Users\Public\Documents\SOLIDWORKS\SOLIDWORKS 2018\samples\tutorial\advdrawings\blade shaft.sldasm"
        Output = "c:\temp\"


        Debug.Print("--- Save files as PDF ---")
        SaveToPDF(Document, Output)
        swApp.CloseAllDocuments(True)
        Debug.Print("--- Done ---")


        ' Show SOLIDWORKS frame and SOLIDWORKS
        pFrame.KeepInvisible = False
        swApp.Visible = True
        Exit Sub
Fail:
        Debug.Print("Execution failed with error " & Err.Number & ": '" & Err.Description & "'")


    End Sub


    Private Sub SaveToPDF(ByVal docFileName As String, ByVal outputpath As String)
        Dim swAssembly As AssemblyDoc
        Dim doctype As Integer
        Dim errors As Integer
        Dim warnings As Integer
        Dim modelpath As String = ""
        Dim modelFileName As String = ""
        Dim convFileName As String = ""
        Dim Success As Boolean
        Dim vComponents As Object
        Dim i As Integer


        ' Determine the type of SOLIDWORKS file based on
        ' its filename extension
        If LCase(Right(docFileName, 7)) = ".sldprt" Then
            doctype = swDocumentTypes_e.swDocPART
        ElseIf LCase(Right(docFileName, 7)) = ".sldasm" Then
            doctype = swDocumentTypes_e.swDocASSEMBLY
        ElseIf LCase(Right(docFileName, 7)) = ".slddrw" Then
            doctype = swDocumentTypes_e.swDocDRAWING
        Else
            doctype = swDocumentTypes_e.swDocNONE
        End If


        ' Open document
        swModel = swApp.OpenDoc6(docFileName, doctype, swOpenDocOptions_e.swOpenDocOptions_Silent Or swOpenDocOptions_e.swOpenDocOptions_ReadOnly, "", errors, warnings)
        If swModel Is Nothing Then
            Debug.Print("Failed to open document " + modelpath + ". Errors: " & errors)
        End If


        ' Activate the document, which should remain invisible
        ' due to earlier call to IFrame::KeepInvisible
        swModel = swApp.ActivateDoc2(docFileName, True, errors)


        ' Build destination filename
        modelpath = swModel.GetPathName()
        modelFileName = Mid(modelpath, InStrRev(modelpath, "\") + 1)
        modelFileName = Left(modelFileName, InStrRev(modelFileName, ".") - 1)
        convFileName = outputpath + modelFileName + ".pdf"


        ' Save document as PDF
        swExtension = swModel.Extension
        Success = swExtension.SaveAs(convFileName, swSaveAsVersion_e.swSaveAsCurrentVersion, swSaveAsOptions_e.swSaveAsOptions_Silent, Nothing, errors, warnings)
        If Success Then
            Debug.Print("Document, " + modelpath + ", saved as " + convFileName + ". ")
        Else
            Debug.Print("Document not saved: ")
            Debug.Print("  Errors: " & errors + modelpath + " as " + convFileName + ". ")
        End If


        ' Process all components
        If doctype = swDocumentTypes_e.swDocASSEMBLY Then
            swAssembly = swModel
            vComponents = swAssembly.GetComponents(True)
            For i = 0 To UBound(vComponents)
                Dim swComponent As Component2
                swComponent = vComponents(i)
                SaveToPDF(swComponent.GetPathName(), outputpath)
            Next i
        End If


    End Sub

 

    ''' <summary>
    ''' The SldWorks swApp variable is pre-assigned for you.
    ''' </summary>
    Public swApp As SldWorks

 

End Class



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