Printing files using WIN32 API

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I need to print my Files found in my SPFolder directly to the Printer without recognizing the file type, so which Windows API to call and how to call it ? Also what's the process to launch the printing job when there are many files to print at the same time ?

Posted 16-Oct-12 6:18am

GLolita

Updated 29-May-18 3:00am

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Sergey Alexandrovich Kryukov 16-Oct-12 13:00pm

What makes you think that you really need it?
--SA

GLolita 16-Oct-12 13:02pm

since my application will retrieve the docs from the server and will send those files to the client side where the printing operation wil take place, I thought since I'm on the server side and I have no idea about the printer I should be using low level printing services of gdi32.dll and winspool.drv

Sergey Alexandrovich Kryukov 16-Oct-12 13:04pm

Just wrong motivation. It cannot really help you, but .NET printing will work.
--SA

Richard MacCutchan 16-Oct-12 14:44pm

You cannot do it without recognising the file type as you will have no idea what to send to the printer. Some file types will have a registered print option in their file type set in the shell so you could try that, but you are still relying on the user setup. And you will still need the user to select the actual printer for each file.

Sergey Alexandrovich Kryukov 16-Oct-12 17:17pm

It's a good point.
--SA

GLolita 17-Oct-12 4:46am

well this article gave me the idea http://www.c-sharpcorner.com/UploadFile/johnodonell/PrintingDirectlytothePrinter11222005001207AM/PrintingDirectlytothePrinter.aspx

Sergey Alexandrovich Kryukov 17-Oct-12 13:28pm

Well, some article give the idea to commit suicide, but will you follow the directions?
I'm telling you: use pure .NET printing and stop thinking about anything else, which won't help you by the reasons I tried list. If you need help, ask some follow-up questions. If you are agree, accept my solution formally (green button).
--SA

GLolita 18-Oct-12 5:21am

thanks for the solution , but here's my problem now can .NET process do printing in a silent mode? meaning : yes I want to print my files but I wanna do it discretely without opening them first , not even hidden windows display! so any idea for that ?

3 solutions

Solution 1

If you use C#, printing directly with Win32 API would be 1) awkward, hard to implement, 2) not platform-portable (in contrast to using CLI and .NET FCL — you would be able to run your code on a number non-Microsoft platforms). I see no situations where you can get any benefits of it. As most members also don't like waste their time on something which does not make sense or not really useful, you will need to provide a convincing motivation of what you want, but I don't think you can succeed.

—SA

Posted 16-Oct-12 7:03am

Sergey Alexandrovich Kryukov

Solution 3

This is what you're looking for:

C#

var processStartInfo = new ProcessStartInfo(filename)
{
    Verb = "Print",
    CreateNoWindow = true,
    WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(processStartInfo);

Posted 29-May-18 3:02am

User 10325090

Comments

Kornfeld Eliyahu Peter 29-May-18 9:01am

After almost 6 years?! Are you sure?

[no name] 18-Dec-22 7:18am

Yes, thank you for checking up.

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Maxim Kartavenkov · Accepted Answer · 2012-10-17T23:16:00

Solution 2

Hello,

You can use spooler API. This articles helps you:

http://support.microsoft.com/kb/322091/en-us[^]
http://support.microsoft.com/kb/138594/en-us[^]

Regards,
Maxim.

Posted 17-Oct-12 23:16pm

Maxim Kartavenkov