[AccessD] Declare function question -- correction

Sorry -- the original MAPISendEmail does not have the Alias included.   I was playing around with getting it to work and added that.

Carolyn Johnson

  ----- Original Message ----- 
  From: Carolyn Johnson 
  To: Access Developers 
  Sent: Wednesday, October 21, 2009 11:28 AM
  Subject: [AccessD] Declare function question


  I have code to send an email via Outlook Express.   It uses the following function.

  Declare Function MAPISendMail _
      Lib "c:\program files\outlook express\msoe.dll" Alias _
      "MAPISendEmailOE" ( _
      ByVal Session As Long, _
      ByVal UIParam As Long, _
      message As MAPIMessage, _
      ByVal Flags As Long, _
      ByVal Reserved As Long) As Long


  Since Outlook Express is not part of Vista, I need to also have a similar function for Windows Mail with the corresponding dll:

  Declare Function MAPISendMail _
      Lib "c:\Windows\System\mapi32.dll" ( _
      ByVal Session As Long, _
      ByVal UIParam As Long, _
      message As MAPIMessage, _
      ByVal Flags As Long, _
      ByVal Reserved As Long) As Long


  I tried to rename the first one to MAPISendMailOE and then choose the function to call based on the operating system (determined when the database is first opened).   

  When I rename the function, I get the error  "Can't find DLL entry point MAPISendEmailOE in c:\program files\outlook express\msoe.dll" on the WinXP computer.   Same type of problem if I rename the Vista version.


  How do I have both functions available and call the appropriate one for the specific computer?


  Thanks
  Carolyn Johnson
  St Louis, MO

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