Edit pdf itextsharip

string oldFile = "oldFile.pdf";
string newFile = "newFile.pdf";

// open the reader
PdfReader reader = new PdfReader(oldFile);
Rectangle size = reader.GetPageSizeWithRotation(1);
Document document = new Document(size);

// open the writer
FileStream fs = new FileStream(newFile, FileMode.Create, FileAccess.Write);
PdfWriter writer = PdfWriter.GetInstance(document, fs);
document.Open();

// the pdf content
PdfContentByte cb = writer.DirectContent;

// select the font properties
BaseFont bf = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252,BaseFont.NOT_EMBEDDED);
cb.SetColorFill(BaseColor.DARK_GRAY);
cb.SetFontAndSize(bf, 8);

// write the text in the pdf content
cb.BeginText();
string text = "Some random blablablabla...";
// put the alignment and coordinates here
cb.ShowTextAligned(1, text, 520, 640, 0);
cb.EndText();
cb.BeginText();
text = "Other random blabla...";
// put the alignment and coordinates here
cb.ShowTextAligned(2, text, 100, 200, 0);
cb.EndText();

// create the new page and add it to the pdf
PdfImportedPage page = writer.GetImportedPage(reader, 1);
cb.AddTemplate(page, 0, 0);

// close the streams and voilá the file should be changed :)
document.Close();
fs.Close();
writer.Close();
reader.Close();

Source: stackoverflow.com

Similar codes

0 vote142 views2 answers
On scene loaded
C#
1 vote103 views1 answer
How to remove all buttons on a form C#
C#
0 vote140 views1 answer
How to make a block disappear in unity
C#
0 vote136 views1 answer
How to find the multiples of 3 c#
C#
0 vote150 views1 answer
Button next for picturebox c#
C#
0 vote138 views1 answer
Lambda not null c#
C#
10 votes145 views4 answers
C# loop array
C#
1 vote138 views1 answer
How to parent something unity
C#
0 vote199 views1 answer
Download xml file asp.net web api
C#
13 votes143 views1 answer
What does static mean in c#
C#