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Main page>Developer Solutions>Examples>Visual Basic 6>Visio Diagrams to TIFF

Converting Visio Diagrams to TIFF for Microsoft Visual Basic 6.0

' 1) Microsoft Visio 2000 or above should be installed and activated on your PC.
' 2) Universal Document Converter 5.2 or above should be installed, too.
' 3) Open your project in Microsoft Visual Basic 6.0.
' 4) In Visual Basic main menu press "Project->References".
' 5) In the list of references check "Universal Document Converter Type Library".
Private Sub PrintVisioToTIFF(strFilePath As String)
' Define constants
  Const visOpenRW = &H20
  Const visOpenDontList = &H8
  Const visPrintAll = 0
  Dim objUDC As IUDC
  Dim itfPrinter As IUDCPrinter
  Dim itfProfile As IProfile
  Dim objVisioApp As Object
  Dim itfDrawing As Object  
' Use Universal Document Converter API to change settings of converterd document
  Set objUDC = New UDC.APIWrapper
  Set itfPrinter = objUDC.Printers("Universal Document Converter")
  Set itfProfile = itfPrinter.Profile
' Load profile located in folder "%APPDATA%\UDC Profiles".
' Value of %APPDATA% variable should be received using Windows API's SHGetSpecialFolderPath function.
' Or you can move default profiles into a folder you prefer.          
  itfProfile.Load("Drawing to TIFF.xml")
  itfProfile.OutputLocation.Mode = LM_PREDEFINED
  itfProfile.OutputLocation.FolderPath = "C:\Out"
  itfProfile.PostProcessing.Mode = PP_OPEN_FOLDER
' Run Microsoft Visio as COM-server
  On Error Resume Next
  Set objVisioApp = CreateObject("Visio.Application")
  objVisioApp.Visible = False
' Open drawing from file
  Err = 0 ' Clear GetLastError() value
  Set itfDrawing = objVisioApp.Documents.OpenEx(strFilePath, visOpenRW And visOpenDontList)
  If Err = 0 Then
  ' Change Drawing preferences for scaling it to page
    itfDrawing.PrintCenteredH = True
    itfDrawing.PrintCenteredV = True
    itfDrawing.PrintFitOnPages = True
  ' Print drawing
    itfDrawing.Printer = "Universal Document Converter"
    itfDrawing.PrintOut (visPrintAll)
  ' Close drawing
    itfDrawing.Saved = True
    Set itfDrawing = Nothing
  End If
' Close Microsoft Visio
  Call objVisioApp.Quit
  Set objVisioApp = Nothing
End Sub

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