C# 獲取本機所有打印機名稱

private void aa()
        {
            System.Drawing.Printing.PrintDocument print = new System.Drawing.Printing.PrintDocument();
            string sDefault = print.PrinterSettings.PrinterName;//默認打印機名
            foreach (string sPrint in System.Drawing.Printing.PrinterSettings.InstalledPrinters)//獲取所有打印機名稱
            {
                MessageBox.Show(sDefault);
            }
        }