public static void Run()
{
// ExStart:ChangePageSizes
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdfFacades_TechnicalArticles();
// Create PdfPageEditor object
PdfPageEditor pEdit = new PdfPageEditor();
// Bind pdf file
pEdit.BindPdf(dataDir + "FilledForm.pdf");
// Change page size of the selected pages
pEdit.ProcessPages = new int[] { 1};
// Here we select a member named 'LETTER' from the list of members of PageSize class and assign it to PageSize property of the PdfPageEditor class
pEdit.PageSize = PageSize.PageLetter;
// Save the file
pEdit.Save(dataDir + "ChangePageSizes_out.pdf");
// Find at what size a page has been assigned
pEdit.BindPdf(dataDir + "FilledForm.pdf");
PageSize size = pEdit.GetPageSize(1);
pEdit = null;
// ExEnd:ChangePageSizes
}
}