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Create PDF from MS Access Report

On a machine where the Adobe PDFWriter is installed, the current printer is swapped out with the PDFWriter and the PDF file is created. The original printer is then restored.

Inputs
rptName = Microsoft Access report name you want to create pdf from. sPDFPath = the directory path where you want to create the pdf file (ex. - "c:\data\"). sPDFName = the name of the pdf file you are wanting to create (ex. - "file001.pdf").

Assumes
This code is easily modified to be used in other programs

Side Effects
Please use the most recent installs of Adobe Exchange or PDFWriter to ensure proper functionality.

API Declarations
Declare Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, ByVal lpData As String, lpcbData As Long) As Long
Declare Function RegOpenKeyEx Lib "advapi32" Alias "RegOpenKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, phkResult As Long) As Long
Declare Function RegSetValueEx Lib "advapi32" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, ByVal szData As String, ByVal cbData As Long) As Long
Declare Function RegCloseKey Lib "advapi32" (ByVal hKey As Long) As Long
Declare Function RegCreateKeyEx Lib "advapi32" Alias "RegCreateKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal Reserved As Long, ByVal lpClass As String, ByVal dwOptions As Long, ByVal samDesired As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, phkResult As Long, lpdwDisposition As Long) As Long
#If Win32 Then
Public Const HKEY_CLASSES_ROOT = &H80000000
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_USERS = &H80000003
Public Const KEY_ALL_ACCESS = &H3F
Public Const REG_OPTION_NON_VOLATILE = 0&
Public Const REG_CREATED_NEW_KEY = &H1
Public Const REG_OPENED_EXISTING_KEY = &H2
Public Const ERROR_SUCCESS = 0&
Public Const REG_SZ = (1)
#End If
Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Boolean
End Type

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Public Function bGetRegValue(ByVal hKey As Long, ByVal sKey As String, ByVal sSubKey As String) As String
  
  Dim lResult As Long
  Dim phkResult As Long
  Dim dWReserved As Long
  Dim szBuffer As String
  Dim lBuffSize As Long
  Dim szBuffer2 As String
  Dim lBuffSize2 As Long
  Dim lIndex As Long
  Dim lType As Long
  Dim sCompKey As String
  Dim bFound As Boolean
  
  lIndex = 0
  lResult = RegOpenKeyEx(hKey, sKey, 0, 1, phkResult)

  Do While lResult = ERROR_SUCCESS And Not (bFound)
    szBuffer = Space(255)
    lBuffSize = Len(szBuffer)
    szBuffer2 = Space(255)
    lBuffSize2 = Len(szBuffer2)
    lResult = RegEnumValue(phkResult, lIndex, szBuffer, lBuffSize, dWReserved, lType, szBuffer2, lBuffSize2)

    If (lResult = ERROR_SUCCESS) Then
      sCompKey = Left(szBuffer, lBuffSize)

      If (sCompKey = sSubKey) Then
        bGetRegValue = Left(szBuffer2, lBuffSize2 - 1)
        RegCloseKey phkResult
        Exit Function
      End If
    End If
    lIndex = lIndex + 1
    
  Loop
  RegCloseKey phkResult
End Function
Public Function bSetRegValue(ByVal hKey As Long, ByVal lpszSubKey As String, ByVal sSetValue As String, ByVal sValue As String) As Boolean
  
  On Error Resume Next
  Dim phkResult As Long
  Dim lResult As Long
  Dim SA As SECURITY_ATTRIBUTES
  Dim lCreate As Long
  RegCreateKeyEx hKey, lpszSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, SA, phkResult, lCreate
  lResult = RegSetValueEx(phkResult, sSetValue, 0, REG_SZ, sValue, CLng(Len(sValue) + 1))
  RegCloseKey phkResult
  bSetRegValue = (lResult = ERROR_SUCCESS)
  
End Function
Public Function RunReportAsPDF(rptName As String, sPDFPath As String, sPDFName As String)
  '  ---------------------------------
  '  rptName = Microsoft Access report name you
  '  want to create pdf from
  '  sPDFPath = the directory path where you want
  '  to create the pdf file (ex. - "c:\data\")
  '  sPDFName = the name of the pdf file you are
  '  wanting to create (ex. - "file001.pdf")
  '  ---------------------------------
  
  Dim sMyDefPrinter As String
  
  On Error GoTo Err_RunReport
  '  Save current default printer
  sMyDefPrinter = bGetRegValue(HKEY_CURRENT_USER, "Software\Microsoft\WIndows NT\CurrentVersion\Windows", "Device")
  ' Set default printer to PDF Writer
  bSetRegValue HKEY_CURRENT_USER, "Software\Microsoft\Windows NT\CurrentVersion\Windows", "Device", "Acrobat PDFWriter"
  '  Setting value for PDFFileName in the registry stops file dialog box from appearing
  bSetRegValue HKEY_CURRENT_USER, "Software\Adobe\Acrobat PDFWriter", "PDFFileName", sPDFPath + sPDFName
  '  Run the report
  DoCmd.OpenReport rptName, acViewNormal
  
Exit_RunReport:
  ' Restore default printer
  bSetRegValue HKEY_CURRENT_USER, "Software\Microsoft\WIndows NT\CurrentVersion\Windows", "Device", sMyDefPrinter
  Exit Function
Err_RunReport:
  MsgBox Err.Description
  Resume Exit_RunReport
  
End Function