Introduction

public static void LoadWithPassword()
{
  Console.WriteLine( "=== LOAD WITH PASSWORD ===" );
  var fileName = "encrypted.pdf";

  // Defines the LoadingOptions.
  var loadingOptions = new LoadOptions() { Password = "kanbanery" };

  // Loads an encrypted PdfDocument with a password.
  using( var pdfDoc = PdfDocument.Load( EncryptionsSample.EncryptionsSampleResourcesDirectory + $"{fileName}", loadingOptions ) )
  {
    // Gets the first Page.
    var page = pdfDoc.Pages.First();

    // Gets the text of the first page.
    var text = page.Text;

    Debug.Assert( "Encrypted pdf" == text );
  }
}