cpdf_set_current_page
Description
bool cpdf_set_current_page ( int pdf_document, int page_number)The cpdf_set_current_page() function set the page on which all operations are performed. One can switch between pages until a page is finished with cpdf_finalize_page(). 如果成功则返回 TRUE，失败则返回 FALSE。
See also cpdf_finalize_page().