import com.accusoft.imagegearpdf.*;

class PdfDemo
{
        private PDF pdf;
        private Document document;

        // Obtain size of the PDF page.
      	public PageSize GetPageSize(long pageNumber)
        {
                Page page = null;

                try
                {
                        // Retrieve specific page.
                        page = document.getPage(pageNumber);

			PageSize size = new PageSize();
			size.Width = page.getWidth();
			size.Height = page.getHeight();

                        return size;
                }
 	        catch (Throwable ex)
                {
      	        	// Failed to get page size.
                        System.err.println("Exception: " + ex.toString());
                        return null;
  	        }
                finally
                {
                        if (page != null)
                        {
      	        	        // Close PDF page as it is not needed anymore.
                                page.close();
                        }
                }
        }

        // Class to store page size.
        public class PageSize
        {
                // Page width.
                public double Width;

                // Page height.
                public double Height;
        }
}