DDE : FileOpen

The specified PDF document is opened, and displayed. Two or more PDF files have already displayed to open in the front row in case of being.
This DDE message is not added to the list to be able to manipulate the PDF document by using the DDE message. In that case, please use DocOpen.


[FileOpen(char* fullPath)]


The full path of PDF file


true The PDF document is opened successfully
false Otherwise.

Notes: The return value cannot be acquired with DDE of VBA of Excel.

Sample: VBA of Excel

The PDF document is opened.

  • Please confirm the test by the step execution with F8 key.

Sub DDE_FileOpen()
    Dim lChanNo As Long  ‘DDE channel number

‘The Acrobat application is Started.
    Shell “C:\Program Files\Adobe\Acrobat 8.0\Acrobat\Acrobat.exe”
    ‘Open of DDE channel
    lChanNo = DDEInitiate(“Acroview”, “Control”)

‘E:\Test01.pdf file is opened and displayed.
    DDEExecute lChanNo, “[FileOpen(E:\Test01.pdf)]”
    ‘E:\Test02.pdf file is opened and displayed.
    DDEExecute lChanNo, “[FileOpen(E:\Test02.pdf)]”

‘The Acrobat applicaton is ended..
    ‘If this is not done, the Acrobat process remains.

    DDEExecute lChanNo, “[AppExit()]” 
    ‘The DDE channel is shut.
    DDETerminate lChanNo
End Sub


  • Especially, it is not.

Environment to confirm the operation

  • WindowsXP + SP2 + フルWindowsUpdate
    Adobe Acrobat 7.0.8 Pro + Office Pro 2003
  • WindowsXP + SP3 + フルWindowsUpdate
    Adobe Acrobat Pro 8.1.4 + Office Pro 2003
    Adobe Acrobat Reader 9.1.0 + Office Pro 2003