PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Tue Jul 12, 2022 11:37 pm 
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Hello,
so currently right now i am converting a text file to pdf file but i do not want to save it on my desktop
i want to store the pdf file in a variable and use it somewhere else in my program.

how would I do this?
i am following this guide
http://csharp.net-informations.com/file/txttopdf.htm

The part i am questioning on
string pdfFilename = "txttopdf.pdf";
pdf.Save(pdfFilename);

thank you in advance


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PostPosted: Wed Jul 13, 2022 6:24 am 
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Joined: Sat Mar 14, 2015 10:15 am
Posts: 747
Location: CCAA
Hi!
You can invoke "pdf.Save()" with a stream. Use a MemoryStream and you will have the PDF file in it. Use GetBytes for the stream to get a byte array.

See lines 21 through 26 in the first code block here:
http://pdfsharp.net/wiki/Clock-sample.ashx

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Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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PostPosted: Wed Jul 13, 2022 5:26 pm 
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TH-Soft wrote:
Hi!
You can invoke "pdf.Save()" with a stream. Use a MemoryStream and you will have the PDF file in it. Use GetBytes for the stream to get a byte array.

See lines 21 through 26 in the first code block here:
http://pdfsharp.net/wiki/Clock-sample.ashx


Thank you for the reply,
I am trying to incorporate this into my code, just to clarify. If I just want to store the pdf file in a variable how would I proceed from here?

this is my code right now

MemoryStream stream = new MemoryStream();
document.Save(stream, false);
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "output/pdf";
HttpContext.Current.Response.AddHeader("content-length", stream.Length.ToString());
HttpContext.Current.Response.BinaryWrite(stream.ToArray());

i am not sure how to store the pdf file to use in another method


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PostPosted: Thu Jul 14, 2022 7:44 am 
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"stream.ToArray()" is your PDF file.
"var pdf = stream.ToArray();" gives you a variable with the PDF file. You can pass that to another method.

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Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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PostPosted: Thu Jul 14, 2022 3:26 pm 
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TH-Soft wrote:
"stream.ToArray()" is your PDF file.
"var pdf = stream.ToArray();" gives you a variable with the PDF file. You can pass that to another method.


Thank you again for your reply and your support

I have solved that issue but now i have come across another issue

How should my code look if im converting a byte[] to pdf
and not txt file to pdf?

many things are breaking in my code now

thank you


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PostPosted: Fri Jul 15, 2022 8:17 am 
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noodlesincup wrote:
How should my code look if im converting a byte[] to pdf
and not txt file to pdf?
Use the byte[] to initialize a MemoryStream and then use PDFsharp to read the PdfDocument from the stream.

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Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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