PDF MERGE Without page size

Question

Dear Sir/mam,

 

I need a help .i am merge multiple pdf but some time some pdf in A3 paper size that time  when i merge pdf A3 type pdf also convert into A4 size but i want if A3 size pdf come it show A3 n other show in A4 in merge file.

 

protected void Page_Load(object sender, EventArgs e)

{

String[] files = @"C:\Users\Administrator\Desktop\New folder (3)\1.pdf,C:\Users\Administrator\Desktop\New folder (3)\2.pdf".Split(',');

MergeFiles(@"C:\Users\Administrator\Desktop\New folder (3)\New1.pdf", files);

}

public void MergeFiles(string destinationFile, string[] sourceFiles)

{

if (System.IO.File.Exists(destinationFile))

System.IO.File.Delete(destinationFile);

string[] sSrcFile;

sSrcFile = new string[2];

string[] arr = new string[2];

for (int i = 0; i <= sourceFiles.Length - 1; i++)

{

if (sourceFiles[i] != null)

{

if (sourceFiles[i].Trim() != "")

arr[i] = sourceFiles[i].ToString();

}

}

if (arr != null)

{

sSrcFile = new string[2];

for (int ic = 0; ic <= arr.Length - 1; ic++)

{

sSrcFile[ic] = arr[ic].ToString();

}

}

try

{

int f = 0;

PdfReader reader = new PdfReader(sSrcFile[f]);

int n = reader.NumberOfPages;

Response.Write("There are " + n + " pages in the original file.");

Document document = new Document(PageSize.A4);

PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(destinationFile, FileMode.Create));

document.Open();

PdfContentByte cb = writer.DirectContent;

PdfImportedPage page;

int rotation;

while (f < sSrcFile.Length)

{

int i = 0;

while (i < n)

{

i++;

document.SetPageSize(PageSize.A4);

document.NewPage();

page = writer.GetImportedPage(reader, i);

rotation = reader.GetPageRotation(i);

if (rotation == 90 || rotation == 270)

{

cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);

}

else

{

cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);

}

Response.Write("\n Processed page " + i);

}

f++;

if (f < sSrcFile.Length)

{

reader = new PdfReader(sSrcFile[f]);

n = reader.NumberOfPages;

Response.Write("There are " + n + " pages in the original file.");

}

}

Response.Write("Success");

document.Close();

}

catch (Exception e)

{

Response.Write(e.Message);

}

}