之前写过一个“C#WinForm程序中选择打印机打印”的文章，但在使用过程中，尤其是生成Word文档时，会感觉系统响应较慢。如果不需要留存打印文档的电子版，可以使用下面的类直接打印。相比之前的方法，这种方法更简单，可以绘制文字、线段、图片。

打印响应速度很快，比之前的方法更好用。

需要引用：

using System.Drawing;
using System.Drawing.Printing;

public class PrnBill{private Font titleFont;//标题字体;private Font font;//正文字体private Font smallFont;  //小字体;private PrintDocument printDoc;        // 使用的打印机名称private string printerName;public string PrinterName{get { return printerName; }set { printerName = value; }}// 打印份数private short copies;public short Copies{get { return copies; }set { copies = value; }}//标题内容private string title;public string Title{get{return title;}set{title = value;}}//姓名private string cusName;public string CusName;{get{return cusName;}set{cusName = value;}}//正文内容private string contents;public string Contents{get { return contents; }set { contents = value; }}//标志图片private Image logoImg;public Image LogoImg{get { return logoImg; }set { logoImg = value; }}//构造函数public PrnBill(string printer, short prnCopies, string _title, string _cusname, string _contents,Image _logoImg){printDoc = new PrintDocument();printDoc.PrintPage += new PrintPageEventHandler(pd_PrintBill);titleFont = new System.Drawing.Font("宋体", 25f);//标题字体font = new System.Drawing.Font("宋体", 14f);//字体smallFont = new System.Drawing.Font("宋体", 12f);//字体printerName = printer;copies = prnCopies;logoImg = _logoImg;contents = _contents;cusName = _cusname;}// 打印的方法public void Print(){printDoc.PrinterSettings.PrinterName = printerName;printDoc.PrinterSettings.Copies = copies;printDoc.Print(); //调用pd_PrintBill}/// <summary>/// 打印主过程/// </summary>private void pd_PrintBill(object sender, PrintPageEventArgs e){int topMargin = 24; //上边距int leftMargin = 50;  //左边距int rowHeight = 30;  //行高int lineStartY = 117;  //画线起始位置int currentPosY = lineStartY - rowHeight;   //当前绘制位置int currentLineY = lineStartY;  //当前画线位置int padding = 2;  //调整位置使用float fdxsLogo = 0.1f;  //图片缩放系数Pen penLine;  //画笔//因需要绘制表格，故把表格第一行的四个格子宽度放到了变量int w_HA = 148;int w_HB = 226;int w_HC = 152;int w_HD = 175;//开始画文字DrawString(e.Graphics, "业务受理单", titleFont, SystemBrushes.WindowText, new Rectangle(leftMargin, topMargin, w_HA + w_HB + w_HC + w_HD + 15, 70), StringAlignment.Center, StringAlignment.Center);DrawString(e.Graphics, "姓名：" + cusName, font, SystemBrushes.WindowText, new Rectangle(leftMargin, currentPosY, w_HA + w_HB, rowHeight), StringAlignment.Near, StringAlignment.Center);     currentPosY += rowHeight;DrawString(e.Graphics, "事项内容："+contents, font, SystemBrushes.WindowText, new Rectangle(leftMargin, currentPosY, w_HA+w_HB, rowHeight), StringAlignment.Near, StringAlignment.Center);//这里可以按照自己需要，继续添加内容……//在合适的位置绘制图片if (logoImg != null){e.Graphics.DrawImage(logoImg, new RectangleF((leftMargin * 2 + w_HA + w_HB + w_HC + w_HD - logoImg.Width * fdxsLogo) / 2, currentPosY, logoImg.Width * fdxsLogo, logoImg.Height * fdxsLogo));}//开始画横线penLine = new Pen(Color.Black, 1f);penLine.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDot;e.Graphics.DrawLine(penLine, leftMargin, currentLineY, w_HA + w_HB + w_HC + w_HD + leftMargin, currentLineY);}/**//// <summary>/// 绘制文字的具体方法/// </summary>/// <param name="g">定义画布</param>/// <param name="s">需要绘制的文字</param>/// <param name="font">字体</param>/// <param name="brush">笔刷</param>/// <param name="rect">绘制区域</param>/// <param name="alignment">水平对齐方式</param>/// <param name="lineAlignment">垂直对齐方式</param>private void DrawString(Graphics g, string s, Font font, Brush brush, Rectangle rect, StringAlignment alignment, StringAlignment lineAlignment){StringFormat sf = new StringFormat();sf.Alignment = alignment;sf.LineAlignment = lineAlignment;g.DrawString(s, font, brush, rect, sf);}}