split pages using pdfsharp in csharp

main.cs
using PdfSharp.Pdf;
using PdfSharp.Pdf.IO;

string sourcePath = @"C:\input.pdf";
string outputPath = @"C:\output{0}.pdf";

// Load the existing PDF document
PdfDocument inputDocument = PdfReader.Open(sourcePath, PdfDocumentOpenMode.Import);

// Split the PDF into separate pages
for (int i = 0; i < inputDocument.PageCount; i++)
{
    // Create a new PDF document
    PdfDocument outputDocument = new PdfDocument();

    // Add the current page from the input document to the output document
    outputDocument.AddPage(inputDocument.Pages[i]);

    // Save the output document to file
    outputDocument.Save(String.Format(outputPath, i + 1));

    // Close the output document
    outputDocument.Close();
}

// Close the input document
inputDocument.Close();
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