c#打印记忆功能

下面这些实例都可以拷下直接用

总体思路：保存打印设置信息到本地文件，下次打印的时候直接读取文件信息，通过序列化与反序列化来获取值。本例只是针对打印的横纵向进行设置，读者也可以增加其他设置信息进行保存读取。

主方法MemoryPrint

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.IO;
using System.Drawing;

namespace VistaRenderer
{
    class MemoryPrint
    {
        public MemoryPrint() { }
        /// <summary>
        /// 系统当前路径
        /// </summary>
        public static string GLOBALPATH = Application.StartupPath;

        /// <summary>
        /// 是否横向
        /// </summary>
        public  bool pagesetIsHorizon;

        /// <summary>
        /// 是否第一次打印
        /// </summary>
        public bool isFirstP=true;

        /// <summary>
        /// 主方法
        /// </summary>
        public  void memoryPrint()
        {
            this.GetDate();
            PrintDocument fPrintDocument = new PrintDocument();
            fPrintDocument.PrintPage += new PrintPageEventHandler(printDocument_PrintPage);// 打印内容
            try
            {
                /** 第一次打印弹出设置框，以后都是从配置文件中读取 */
                if (!isFirstP)
                {
                    fPrintDocument.DefaultPageSettings.Landscape = pagesetIsHorizon;
                }
                else
                {
                    //申明并实例化PrintDialog      
                    PrintDialog pDlg = new PrintDialog();
                    //可以选定页      
                    pDlg.AllowSomePages = true;
                    //指定打印文档     
                    pDlg.Document = fPrintDocument;
                    //显示对话框      
                    DialogResult result = pDlg.ShowDialog();
                    if (result == DialogResult.OK)
                    {
                        //保存打印设置      
                        fPrintDocument = pDlg.Document;
                        pagesetIsHorizon = fPrintDocument.DefaultPageSettings.Landscape;
                       
                    }
                }
                //打印预览
                PrintPreviewDialog ppd = new PrintPreviewDialog();
                ppd.Document = fPrintDocument;
                ppd.ShowDialog();
                //打印       
                fPrintDocument.Print();
                //保存设置到本地
                this.SaveDate();
            }
            catch (System.Drawing.Printing.InvalidPrinterException e1)
            {
                MessageBox.Show("未安装打印机，请进入系统控制面版添加打印机！", "打印", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "打印", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }  

        }

        /// <summary>
        /// 打印内容
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private  void printDocument_PrintPage(object sender, PrintPageEventArgs e)
        {
            Graphics g = e.Graphics; //获得绘图对象
            e.Graphics.DrawString("打印啦。。。。",
                new Font("Arial", 20, FontStyle.Bold), Brushes.Black, 150, 125);
        }



        /// <summary>
        /// 保存用户选择信息到文件data/data.dat中
        /// </summary>
        public  void SaveDate()
        {
            
            ClsSaveData csd = null;
            if (File.Exists(GLOBALPATH + "\data\data.dat"))
            {
                csd = ClsSaveData.deSerialize("data.dat", GLOBALPATH + "\data\");
            }
            else
            {
                csd = new ClsSaveData();
            }
            csd.pagesetIsHorizon = pagesetIsHorizon;
            csd.isFirstP = false;
            ClsSaveData.serialize("data.dat", GLOBALPATH + "\data\", csd);
        }

        /// <summary>
        /// 从data.dat文件取出用户选择项
        /// </summary>
        public  void GetDate()
        {
            if (File.Exists(GLOBALPATH + "\data\data.dat"))
            {
                ClsSaveData csd = ClsSaveData.deSerialize("data.dat", GLOBALPATH + "\data\");
                if (csd == null || csd.pagesetIsHorizon == null)
                {
                    
                }
                else
                {
                    isFirstP = csd.isFirstP;
                    pagesetIsHorizon = csd.pagesetIsHorizon;
                }

            }

        }
    }
}

序列化的对象，保存纵横向设置信息

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Collections;

namespace VistaRenderer
{
    [Serializable]
    class ClsSaveData
    {
        public bool pagesetIsHorizon;//是否横向

        /// <summary>
        /// 是否第一次打印
        /// </summary>
        public bool isFirstP = true;

        /// <summary>
        /// 序列化该对象
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="path"></param>
        /// <param name="obj"></param>
        public static void serialize(string fileName, string path, object obj)
        {
            if (!Directory.Exists(path))
                Directory.CreateDirectory(path);
            ClsSerial serial = new ClsSerial(path + fileName, obj);
            serial.SerializeNow();
        }

        /// <summary>
        /// 反序列化
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="path"></param>
        /// <returns></returns>
        public static ClsSaveData deSerialize(string fileName, string path)
        {
            ClsSaveData csd = null;
            if (File.Exists(path + fileName))
            {
                ClsSerial serial = new ClsSerial();
                csd = (ClsSaveData)serial.DeSerializeNow(path + fileName);
            }
            return csd;
        }
    }

    
}

序列化工具类

using System;
using System.Windows.Forms;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Xml.Serialization;

namespace VistaRenderer
{
    class ClsSerial
    {
        /// <summary>
        /// 路径
        /// </summary>
        private string path = "";
        /// <summary>
        /// 对象
        /// </summary>
        private object obj = null;
        /// <summary>
        /// 类型
        /// </summary>
        private Type type = null;

        public ClsSerial()
        {
        }
        /// <summary>
        /// 构造器
        /// </summary>
        /// <param name="path"></param>
        /// <param name="obj"></param>
        public ClsSerial(string path, object obj)
        {
            this.path = path;
            this.obj = obj;
        }
        /// <summary>
        /// 检查类型
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public bool checkObj(object obj)
        {
            bool check = false;
            type = obj.GetType();
            if (type.IsClass || type.Name == "struct" || type.IsEnum || type.Name == "delegate")
                check = true;
            return check;
        }
        /// <summary>
        /// 序列化
        /// </summary>
        /// <param name="path"></param>
        /// <param name="obj"></param>
        public void SerializeNow(string path, object obj)
        {
            try
            {
                this.path = path;
                this.obj = obj;
                SerializeNow();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// 序列化
        /// </summary>
        public void SerializeNow()
        {
            try
            {
                if (!checkObj(obj))
                {
                    MessageBox.Show("该对象不可序列化!", "系统错误");
                    return;
                }
                FileStream fileStream = new FileStream(path, FileMode.Create);
                BinaryFormatter b = new BinaryFormatter();
                b.Serialize(fileStream, obj);
                fileStream.Close();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// 反序列化
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public object DeSerializeNow(string path)
        {
            try
            {
                this.path = path;
                return DeSerializeNow();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// 反序列化
        /// </summary>
        /// <returns></returns>
        public object DeSerializeNow()
        {
            try
            {
                object obj = null;
                FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
                BinaryFormatter b = new BinaryFormatter();
                obj = b.Deserialize(fileStream);
                fileStream.Close();
                return obj;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// xml序列化
        /// </summary>
        /// <param name="path"></param>
        /// <param name="obj"></param>
        public void SerializeXMLNow(string path, object obj)
        {
            try
            {
                this.path = path;
                this.obj = obj;
                SerializeXMLNow();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// xml序列化
        /// </summary>
        public void SerializeXMLNow()
        {
            try
            {
                if (!checkObj(obj))
                {
                    MessageBox.Show("该对象不可序列化!", "系统错误");
                    return;
                }
                FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
                XmlSerializer xmlFormatter = new XmlSerializer(type);
                xmlFormatter.Serialize(fileStream, obj);
                fileStream.Close();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// xml反序列化
        /// </summary>
        /// <param name="path"></param>
        /// <param name="obj"></param>
        /// <returns></returns>
        public object DeSerializeXMLNow(string path, object obj)
        {
            try
            {
                this.path = path;
                this.obj = obj;
                return DeSerializeXMLNow();
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
        /// <summary>
        /// xml反序列化
        /// </summary>
        /// <returns></returns>
        public object DeSerializeXMLNow()
        {
            try
            {
                if (!checkObj(obj))
                {
                    MessageBox.Show("该对象不可反序列化!", "系统错误");
                    return null;
                }
                object objXml = null;
                FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
                XmlSerializer formatter = new XmlSerializer(type);
                obj = formatter.Deserialize(fileStream);
                fileStream.Close();
                return objXml;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }  
    }
}