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

2 votes358 views1 answer
How to check the tag of a collider in unity
C#Unity
-1 vote320 views2 answers
How to make the player look around in unity 3d
C#Unity
1 vote272 views1 answer
Unity Rotate around the real center
C#
1 vote278 views6 answers
Laravel collect
C#
4 votes302 views1 answer
Gameobject in unity c#
C#Unity
2 votes287 views1 answer
C# datetime get number of week
C#
0 vote276 views1 answer
C# list foreach lambda multiple actions
C#
0 vote301 views1 answer
Ef core seed data bogus data without migration
C#
7 votes311 views2 answers
Unity add component
C#Unity
6 votes316 views2 answers
Unity rotate vector around point
C#Unity