C# PDF Parser Library Dll
How to start using .net pdf document parser dll in winforms, web application

String outputFilePath = @"C:\output.pdf";

//  Create an empty PDF document with 1 page.
PDFDocument doc = PDFDocument.Create(1);
//  Add text "Hello World" at position (100, 100) in the 1st page.
PDFTextMgr mgr = PDFTextHandler.ExportPDFTextManager(doc);
//  First page with page index 0.
int pageIndex = 0;
//  Start location 100, 100. Unit: pixel (in 96 dpi)
PointF position = new PointF(100F, 100F);
//  Set text font.
System.Drawing.Font textFont = new System.Drawing.Font("Arial", 16F, FontStyle.Regular);
//  Set text color.
System.Drawing.Color textColor = System.Drawing.Color.Red;
//  Add text.
mgr.AddString("Hello World", textFont, pageIndex, position, textColor);
//  Save to file
doc.Save(outputFilePath);

String imageFilePath = @"C:\1.bmp");
String outputFilePath = @"C:\output.pdf";

//  Initial a Document object.
Document document = new Document();
PDFBuildHandler.Create(document, outputFilePath);

//  Open document
document.Open();

//  Add a new paragraph with content "This is the 1st page.".
document.Add(new Paragraph("This is the 1st page."));

//  Add a new page and move current position to the next page
document.NewPage();

//  Add a new paragraph with content "This is the 2nd page.".
document.Add(new Paragraph("This is the 2nd page."));

//  Add a new paragraph with content "Sample: add an image.".
document.Add(new Paragraph("Sample: add an image."));
//  Load an image from the source file.
RasterEdge.XDoc.PDF.Builder.Image image = new RasterEdge.XDoc.PDF.Builder.Image(imageFilePath);
//  Add the image to the document.
document.Add(image);

//  Add a new paragraph.
document.Add(new Paragraph("Image Width: " + image.Width + " pt.; Image Height: " + image.Height + " pt."));

//  Add a new paragraph with content "Sample: add a table.".
Paragraph p = new Paragraph("Sample: add a table.");
//  Set before paragraph spacing to 100 points.
p.SpaceBefore = 100;
//  Set after paragraph spacing to 20 points.
p.SpaceAfter = 20;
document.Add(p);

//  Initial a table with 4 columns (4 cells per row)
PdfPTable table = new PdfPTable(4);

//  Add cell to the 1st row
table.AddCell("Row 1, Cell 1");     //  1st cell
table.AddCell("Row 1, Cell 2");     //  2nd cell
table.AddCell("Row 1, Cell 3");     //  3rd cell
table.AddCell("Row 1, Cell 4");     //  4th cell
//  Finish remained columns of the current row, do nothing
//  if there is no remained cell in the row.
table.CompleteRow();

//  Add cell to the 2nd row
table.AddCell("");                  //  1st cell is empty
table.AddCell("Row 2, Cell 2");     //  2nd cell
table.AddCell("");                  //  3rd cell is empty
//  Finish remained columns of the current row.
table.CompleteRow();

//  Add cell to the 2nd row
table.AddCell("");                  //  1st cell is empty
table.AddCell("");                  //  2nd cell is empty
table.AddCell("Row 3, Cell 3");     //  3rd cell
//  Finish remained columns of the current row
table.CompleteRow();

//  Add the table to the document.
document.Add(table);

//  Close document and save to the output file
document.Close();

String outputFilePath = @"C:\output.pdf";

//  Create an empty PDF document with 1 page.
PDFDocument doc = PDFDocument.Create(1);
//  Add text "Hello World" at position (100, 100) in the 1st page.
PDFTextMgr mgr = PDFTextHandler.ExportPDFTextManager(doc);
//  First page with page index 0.
int pageIndex = 0;
//  Start location 100, 100. Unit: pixel (in 96 dpi)
PointF position = new PointF(100F, 100F);
//  Set text font.
System.Drawing.Font textFont = new System.Drawing.Font("Arial", 16F, FontStyle.Regular);
//  Set text color.
System.Drawing.Color textColor = System.Drawing.Color.Red;
//  Add text.
mgr.AddString("Hello World", textFont, pageIndex, position, textColor);
//  Save to file
doc.Save(outputFilePath);

String inputFilePath = @"C:\1.pdf";

//  Create a PDF document object from the file path.
PDFDocument doc = new PDFDocument(inputFilePath);
//  Get page count of the PDF file.
Console.WriteLine("Page Count: {0}", doc.GetPageCount());

String inputFilePath = @"C:\1.pdf";

//  Load a file into MemoryStream.
byte[] dataBytes = File.ReadAllBytes(inputFilePath);
MemoryStream stream = new MemoryStream(dataBytes, 0, dataBytes.Length);

//  Create a PDF document object from the stream.
PDFDocument doc = new PDFDocument(stream);
//  Get page count of the PDF file.
Console.WriteLine("Page Count: {0}", doc.GetPageCount());

String inputFilePath = @"C:\1.pdf";
String encryptedFile = @"C:\encryptFile.pdf";

//  Create an encrypted PDF file from a PDF file.
String userPassword = "1234";
String ownerPassword = "5678";
PasswordSetting psw = new PasswordSetting(userPassword, ownerPassword);
PDFDocument.AddPassword(inputFilePath, encryptedFile, psw);

//  Open the encrypted PDF file by using user password
PDFDocument doc1 = new PDFDocument(encryptedFile, userPassword);
//  Get page count of the PDF file.
Console.WriteLine("Page Count: {0}", doc1.GetPageCount());

//  Open the encrypted PDF file by using owner password
PDFDocument doc2 = new PDFDocument(encryptedFile, ownerPassword);
//  Get page count of the PDF file.
Console.WriteLine("Page Count: {0}", doc2.GetPageCount());

String inputFilePath = @"C:\1.pdf";
String outputFilePath = @"C:\output.pdf";
Bitmap resImage = new Bitmap(@"C:\1.png");

//  Create a PDF document object from the file path.
PDFDocument doc = new PDFDocument(inputFilePath);

//  Modify the document ...
//  Insert an empty page before the 2nd page.
doc.AddEmptyPage(1);
//  Get the new 2nd page (page index is 1).
PDFPage page = (PDFPage)doc.GetPage(1);
//  Add an image at location (100, 100).
page.AddImage(resImage, new PointF(100, 100));

//  Save the modified document to file.
doc.Save(outputFilePath);

String inputFilePath = @"C:\1.pdf";
String outputFilePath = @"C:\output.pdf";
Bitmap resImage = new Bitmap(@"C:\1.png");

//  Load a file into MemoryStream.
byte[] dataBytes = File.ReadAllBytes(inputFilePath);
using (MemoryStream inStream = new MemoryStream(dataBytes, 0, dataBytes.Length))
{
    //  Create a PDF document object from the stream.
    PDFDocument doc = new PDFDocument(inStream);

    //  Modify the document ...
    //  Insert an empty page before the 2nd page.
    doc.AddEmptyPage(1);
    //  Get the new 2nd page (page index is 1).
    PDFPage page = (PDFPage)doc.GetPage(1);
    //  Add an image at location (100, 100).
    page.AddImage(resImage, new PointF(100, 100));

    using (MemoryStream outStream = new MemoryStream())
    {
        //  Save the modified document to stream.
        doc.SaveToStream(outStream);
                        
        //  Save data bytes in the MemoryStream to file.
        File.WriteAllBytes(outputFilePath, outStream.ToArray());
    }                    
}