using System.Drawing.Printing;using System.Drawing;private void Test(){    PrintDocument m_pdoc = new PrintDocument();    PaperSize psz = new PaperSize();    m_pdoc.PrinterSettings.PrinterName = "Microsoft Office Document Image Writer";    psz.RawKind = 0;// Printing.PaperKind.Custom此枚举的值是0    psz.Width = 350;    psz.Height = 350;    m_pdoc.DefaultPageSettings.PaperSize = psz; //设置纸张大小    m_pdoc.PrintPage += new PrintPageEventHandler(prn_PrintPage);    m_pdoc.Print();}