Print PDF File From Web

Posted on 2011-09-23
Last Modified: 2012-06-21
Hi everyone,

I need code vb6 where I can print PDF file(Located on web server) in Local Printer without opening a file
Question by:iamdxb
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LVL 83

Expert Comment

by:Dave Baldwin
ID: 36591366
You would have to write a PDF reader to do that.  Or have a printer that can print PDFs directly.  PDFs have to be interpreted to convert to a printable format.

Author Comment

ID: 36591373
Please provide  me code If you have thanx in advance
LVL 83

Expert Comment

by:Dave Baldwin
ID: 36591420
I don't have such a code.  It would be the size of Adobe reader.
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Author Comment

ID: 36592181
I need code in vb6 where I can print PDF file(Located on web server) in Local Printer without opening a file

Please help anyone its urgent...
LVL 83

Expert Comment

by:Dave Baldwin
ID: 36593180
You can click on "Request Attention" above to get others to look at your question but I don't think you're going to get what you want.
LVL 75

Expert Comment

by:Michel Plungjan
ID: 36594430
I find multiple articles and discussions here

perhaps you find something useful?

In any case if you have the pdf on the server and you need to click on a link to print it from a web server, then you will need to open it

It can contain a pdf javascript to call the printer
LVL 11

Expert Comment

ID: 36595192
How about this idea:

1. Download the file to a known location, maybe like this:

2. Set your default printer, maybe like this:

3. Print your file, maybe using the ShellExecute API (, with lpszOp set to "print".

Author Comment

ID: 36719706
hi kbirecki,
I am busy with other work , I will try yr solution  after that I will put comment.


Expert Comment

ID: 36922497
I have used to do what you are requesting(silent, client side print of a pdf located on a network share - all controlled by javascript).  I use it as an activeX control in the browser - it is licensed by user and we have it installed it on specific user machines, so this is not an internet solution.  

Author Comment

ID: 36940410
Hi all

I will try above solution let know....

Author Comment

ID: 36960554
Hi kbirecki,

I have made ocx control, that I am using in webpage its working fine, only after printing Adobe Reader app window is not closing. I have used shell command ( Print your file, maybe using the ShellExecute API (, with lpszOp set to "print")  If you know please let me know.

Thanks a lot
LVL 11

Expert Comment

ID: 36961249
Can you post the command you executed via the shell command that opens and prints the PDF but does not close.

Author Comment

ID: 36967621
Hi kbirecki,

below code is writen in OCX control

Private Declare Function ShellExecute Lib "shell32.dll" Alias _
   "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation _
   As String, ByVal lpFile As String, ByVal lpParameters _
   As String, ByVal lpDirectory As String, ByVal nShowCmd _
   As Long) As Long

Private Declare Function apiFindWindow Lib "user32" Alias "FindWindowA" _
   (ByVal lpclassname As Any, ByVal lpCaption As Any) As Long


Private Function ShellExecuteExample()

   Dim hwnd
   Dim StartDoc
   On Error GoTo ErrHandler
   hwnd = apiFindWindow("OPUSAPP", "0")

   StartDoc = ShellExecute(hwnd, "print", "C:\POS\SI.pdf", "", "C:\", 0)
   Exit Function

  MsgBox ("Closing Application Error:" & Err.Number & Err.Description)
End Function
LVL 11

Expert Comment

ID: 37074215
It looks like you are finding an already open window ("OPUSAPP") and sending a command to print the open file.  Is that what you want?  If so, you may need to manually close the window with something like:

Private Declare Function PostMessage Lib "user32" _
         Alias "PostMessageA" _
         (ByVal hwnd As Long, _
         ByVal wMsg As Long, _
         ByVal wParam As Long, _
         ByVal lParam As Long) As Long

Const WM_CLOSE = &H10

lngReturnValue = PostMessage(hWindow, WM_CLOSE, 0&, 0&)

Open in new window

See this article for more info on using PostMessage to close a window.

If that is the case, I don't see where the file is being opened.  However, if all you want to do is open, print a close a file, try this variation of your code:

Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" _
                   (ByVal hwnd As Long, ByVal lpszOp As String, _
                    ByVal lpszFile As String, ByVal lpszParams As String, _
                    ByVal LpszDir As String, ByVal FsShowCmd As Long) _
                    As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long

Sub Test()
     Dim hwnd As Long
     Const SW_HIDE = 0
     hwnd = GetDesktopWindow()
     ShellExecute(hwnd, "Print", "C:\POS\SI.pdf", "", "C:\", SW_HIDE)
End sub

Open in new window

More info on this here.
LVL 11

Accepted Solution

kbirecki earned 125 total points
ID: 37074218
Edit:, print and close a file,...

Author Closing Comment

ID: 37163065
Thanks  to All

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