c# listview数据预览（转载的放在这里备用）

   public class PrintListView : ListView
        {
            /// <summary>    
            /// 指示是否进行打印预览，默认值为 true    
            /// </summary>    
            private bool m_bIsPreview;

            /// <summary>    
            /// 指示是否总是打印标题，默认值为 true    
            /// </summary>    
            private bool m_bIsAlwaysPrintHeader;

            /// <summary>    
            /// 需要打印的页首字符串    
            /// </summary>    
            private string m_sPrintHeaderString;

            /// <summary>    
            /// 标题的字体    
            /// </summary>    
            private Font m_oHeaderFont;

            /// <summary>    
            /// 正文字体    
            /// </summary>    
            private Font m_oBodyFont;

            /// <summary>    
            /// 页尾字体    
            /// </summary>    
            private Font m_oTailFont;

            /// <summary>    
            /// 正文部分的 ColumnHeader 字体，该字体为正文字体的加粗形式    
            /// </summary>    
            private Font m_oColumnHeaderFont;

            /// <summary>    
            /// 打印文档    
            /// </summary>    
            private PrintDocument m_oPrintDoc;

            /// <summary>    
            /// 行间距    
            /// </summary>    
            private int m_nLineSpace;

            private int m_nPrintWidth;            // 打印区域宽度    

            private int m_nPrintHeight;            // 打印区域长度    

            private int m_nPageCount;            // 打印页数    

            private int m_nCurPrintPage;         // 当前正在打印的页码    

            private int m_nTotalPage;            // 共有的页数    

            private int m_nFromPage;            // 用户选择的打印起始页    

            private int m_nCurPrintItem;         // 当前正在打印的元素    

            private Rectangle m_oHeaderRect;      // 打印页首的区域    

            private Rectangle m_oBodyRect;         // 打印正文的区域    

            private Rectangle m_oTailRect;         // 打印页尾的区域    

            private Brush defaultBrush;

            private Pen defaultPen;

            /// <summary>    
            /// 设置或获取是否进行打印预览    
            /// </summary>    
            public bool IsPreview
            {
                get { return m_bIsPreview; }
                set { m_bIsPreview = value; }
            }

            /// <summary>    
            /// 设置或获取是否总是打印标题    
            /// </summary>    
            public bool IsAlwaysPrintHeader
            {
                get { return m_bIsAlwaysPrintHeader; }
                set { m_bIsAlwaysPrintHeader = value; }
            }

            /// <summary>    
            /// 设置或获取打印的页首字符串    
            /// </summary>    
            public string PrintHeaderString
            {
                get { return m_sPrintHeaderString; }
                set { if (value != null) m_sPrintHeaderString = value; }
            }

            /// <summary>    
            /// 设置或获取页首字体    
            /// </summary>    
            public Font HeaderFont
            {
                set { m_oHeaderFont = value; }
                get { return m_oHeaderFont; }
            }

            /// <summary>    
            /// 设置或获取正文字体    
            /// 如果对正文字体的 Bold 属性设置为 true ，则发生 Exception 类型的异常    
            /// </summary>    
            public Font BodyFont
            {
                set
                {
                    if (value == null)
                        return;
                    if (value.Bold == true)
                    {
                        //throw new Exception ("正文字体不能进行 [加粗] 设置.");    
                        MessageBox.Show("正文字体不能进行 [加粗] 设置.", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                    else
                    {
                        m_oBodyFont = value;
                    }
                }
                get { return m_oBodyFont; }
            }

            /// <summary>    
            /// 设置或获取页尾字体    
            /// </summary>    
            public Font TailFont
            {
                set { m_oTailFont = value; }
                get { return m_oTailFont; }
            }

            /// <summary>    
            /// 设置或获取行间距    
            /// </summary>    
            public int LineSpace
            {
                get { return m_nLineSpace; }
                set
                {
                    if (value < 0)
                    {
                        m_nLineSpace = 0;
                    }
                    m_nLineSpace = value;
                }
            }

            /// <summary>    
            /// 构造函数，设置打印信息的一些默认值    
            /// </summary>    
            public PrintListView()
            {
                m_bIsPreview = true;
                m_bIsAlwaysPrintHeader = true;
                IsAlwaysPrintHeader = true;
                m_sPrintHeaderString = "";
                m_oHeaderFont = null;
                m_oTailFont = null;
                m_oBodyFont = null;
                m_oColumnHeaderFont = null;
                m_oPrintDoc = null;
                m_nPrintWidth = 0;
                m_nPrintHeight = 0;
                m_nPageCount = 0;
                m_nCurPrintPage = 1;
                m_nFromPage = 1;
                m_nLineSpace = 0;
                m_nCurPrintItem = 0;
                defaultBrush = Brushes.Black;
                defaultPen = new Pen(defaultBrush, 1);
            }

            /// <summary>    
            /// 初始化打印文档的属性    
            /// </summary>    
            /// <returns></returns>    
            private void InitPrintDocument()
            {
                m_oPrintDoc = new PrintDocument();
                m_oPrintDoc.DocumentName = m_sPrintHeaderString;
                if (m_oPrintDoc.PrinterSettings.PrinterName == "<no default printer>")
                {
                    //throw new Exception ("未找到默认打印机.");    
                    MessageBox.Show("未找到默认打印机.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }
                else
                {
                    m_oPrintDoc.PrintPage += new PrintPageEventHandler(PrintPage);
                    m_oPrintDoc.BeginPrint += new PrintEventHandler(BeginPrint);
                    m_oPrintDoc.EndPrint += new PrintEventHandler(EndPrint);
                }

                /* 设置打印字体 */
                if (m_oHeaderFont == null)
                {
                    m_oHeaderFont = new Font("宋体", 24, FontStyle.Bold, GraphicsUnit.World);
                }

                if (m_oBodyFont == null)
                {
                    m_oBodyFont = new Font("宋体", 20, FontStyle.Regular, GraphicsUnit.World);
                }

                m_oColumnHeaderFont = new Font(m_oBodyFont, FontStyle.Bold);

                if (m_oTailFont == null)
                {
                    m_oTailFont = new Font("宋体", 14, FontStyle.Regular, GraphicsUnit.World);
                }
            }

            /// <summary>    
            /// 初始化打印纸张设置    
            /// </summary>    
            private bool InitPrintPage(out Margins margins)
            {
                margins = null;
                /* 获取当前 listview 的分辨率 */
                Graphics g = this.CreateGraphics();
                float x = g.DpiX;
                g.Dispose();
                /* 显示纸张设置对话框 */
                PageSetupDialog ps = new PageSetupDialog();
                ps.Document = m_oPrintDoc;

                if (ps.ShowDialog() == DialogResult.Cancel)
                {
                    return false;
                }
                else
                {  // 根据用户设置的纸张信息计算打印区域，计算结果的单位为 1/100 Inch    
                    m_nPrintWidth = ps.PageSettings.Bounds.Width - ps.PageSettings.Margins.Left - ps.PageSettings.Margins.Right;
                    m_nPrintHeight = ps.PageSettings.Bounds.Height - ps.PageSettings.Margins.Top - ps.PageSettings.Margins.Bottom;
                    margins = ps.PageSettings.Margins;
                }

                if (m_nPrintWidth <= 0 || m_nPrintHeight <= 0)
                {
                    //throw new Exception ("纸张设置错误.");    
                    MessageBox.Show("纸张设置错误.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return false;
                }

                /* 将当前 listview 的各column的长度和转换为英寸，判断打印范围是否越界 */
                int listViewWidth = 0;
                for (int i = 0; i < this.Columns.Count; i++)
                {
                    listViewWidth += this.Columns[i].Width;
                }
                if (Convert.ToInt32(listViewWidth / x * 100) > m_nPrintWidth)
                {
                    //throw new Exception ("打印内容超出纸张范围 ！/r/n请尝试调整纸张或纸张边距；/r/n或缩小表格各列的宽度。");    
                    MessageBox.Show("打印内容超出纸张范围 ！/r/n请尝试调整纸张或纸张边距；/r/n或缩小表格各列的宽度。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return false;
                }
                m_oPrintDoc.DefaultPageSettings = ps.PageSettings;
                return true;
            }

            /// <summary>    
            /// 初始化打印页码设置    
            /// </summary>    
            private bool InitPrintPageNumber(Margins margins)
            {
                /* 计算页数 */
                int headerFontHeight = m_oHeaderFont.Height;
                int columnHeaderFontHeight = m_oColumnHeaderFont.Height;
                int bodyFontHeight = m_oBodyFont.Height;
                int tailFontHeight = m_oTailFont.Height;
                // 页首区域打印 页首字符串 以及一条横线    
                m_oHeaderRect = new Rectangle(margins.Left, margins.Top, m_nPrintWidth, headerFontHeight + m_nLineSpace + 3);
                int tailHeight = tailFontHeight + m_nLineSpace + 3;
                // 页尾区域打印 一条横线，页码和打印时间（在同一行）    
                m_oTailRect = new Rectangle(margins.Left, margins.Top + m_nPrintHeight - tailHeight, m_nPrintWidth, tailHeight);
                //正文区域为去掉页首和页尾区域的部分    
                m_oBodyRect = new Rectangle(margins.Left, m_oHeaderRect.Bottom + 2, m_nPrintWidth, m_oTailRect.Top - m_oHeaderRect.Bottom - 4);
                /* 计算第一页能打印的元素个数 */
                int printItemPerPage = 0;
                int firstPageItem = Convert.ToInt32((m_oBodyRect.Height - columnHeaderFontHeight - m_nLineSpace) / (bodyFontHeight + m_nLineSpace));
                if (firstPageItem >= this.Items.Count)
                {   // 需打印的元素只有一页    
                    m_nPageCount = 1;
                }
                else
                {  // 需要打印的元素有多页    
                    printItemPerPage = firstPageItem;
                    int leftItems = this.Items.Count - firstPageItem;
                    if (m_bIsAlwaysPrintHeader == false)
                    {
                        printItemPerPage = (m_oBodyRect.Height + m_oHeaderRect.Height + 2 - columnHeaderFontHeight - m_nLineSpace) / (bodyFontHeight + m_nLineSpace);
                    }
                    if (leftItems % printItemPerPage == 0)
                    {
                        m_nPageCount = leftItems / printItemPerPage + 1;
                    }
                    else
                    {
                        m_nPageCount = leftItems / printItemPerPage + 2;
                    }
                }
                m_nTotalPage = m_nPageCount;
                /* 显示打印对话框 */
                PrintDialog pd = new PrintDialog();
                pd.Document = m_oPrintDoc;
                pd.PrinterSettings.MinimumPage = 1;
                pd.PrinterSettings.MaximumPage = m_nPageCount;
                pd.PrinterSettings.FromPage = 1;
                pd.PrinterSettings.ToPage = m_nPageCount;
                pd.AllowPrintToFile = false;      // 不设置打印到文件    
                if (m_nPageCount > 1)
                {
                    pd.AllowSelection = true;
                }
                else
                {
                    pd.AllowSelection = false;
                }
                pd.AllowSomePages = true;
                if (pd.ShowDialog() == DialogResult.OK)
                {
                    m_nPageCount = pd.PrinterSettings.ToPage - pd.PrinterSettings.FromPage + 1;
                    if (pd.PrinterSettings.FromPage > 1)
                    {
                        m_nCurPrintItem = firstPageItem + (pd.PrinterSettings.FromPage - 2) * printItemPerPage;
                    }
                    else
                    {
                        m_nCurPrintItem = 0;
                    }
                    m_nFromPage = pd.PrinterSettings.FromPage;
                    m_oPrintDoc.DocumentName = m_nPageCount.ToString();
                    m_oPrintDoc.PrinterSettings = pd.PrinterSettings;
                    return true;
                }
                else
                {
                    return false;
                }
            }

            /// <summary>    
            /// 启动 ListView 的打印工作    
            /// </summary>    
            public virtual void DoPrint()
            {
                if (this.Items.Count <= 0)
                {
                    //throw new Exception ("没有需要打印的元素.");    
                    MessageBox.Show("没有需要打印的元素.", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }

                InitPrintDocument();
                Margins margins = null;
                if (InitPrintPage(out margins) == false)
                    return;

                if (InitPrintPageNumber(margins) == false)
                    return;

                if (m_bIsPreview == false)
                {
                    m_oPrintDoc.Print();
                }
                else
                {
                    PrintPreviewDialog pd = new PrintPreviewDialog();
                    pd.Document = m_oPrintDoc;
                    pd.PrintPreviewControl.Zoom = 1.0;
                    pd.WindowState = FormWindowState.Maximized;
                    pd.ShowInTaskbar = true;
                    pd.ShowDialog();
                }
            }

            /// <summary>    
            /// 打印页首    
            /// </summary>    
            /// <param name="g"></param>    
            protected virtual void PrintPageHeader(Graphics g)
            {
                RectangleF textRect = new RectangleF(m_oHeaderRect.X, m_oHeaderRect.Y, m_oHeaderRect.Width, m_oHeaderRect.Height - 3);
                CenterText(g, m_sPrintHeaderString, m_oHeaderFont, defaultBrush, textRect);
                g.DrawLine(defaultPen, m_oHeaderRect.X, m_oHeaderRect.Bottom - 2, m_oHeaderRect.Right, m_oHeaderRect.Bottom - 2);
            }

            /// <summary>    
            /// 打印正文    
            /// </summary>    
            /// <param name="g"></param>    
            protected virtual void PrintPageBody(Graphics g)
            {
                Rectangle textRect = m_oBodyRect;
                if (m_bIsAlwaysPrintHeader == false && m_nCurPrintPage != 1)
                {
                    textRect = new Rectangle(m_oHeaderRect.X, m_oHeaderRect.Y, m_oHeaderRect.Width, m_oHeaderRect.Height + 2 + m_oBodyRect.Height);
                }

                /* 打印标题,也就是 columnHeader */
                int columnHeaderFontHeight = m_oColumnHeaderFont.Height;
                int bodyFontHeight = m_oBodyFont.Height;
                Rectangle columnHeaderRect = new Rectangle(textRect.X, textRect.Y, textRect.Width, columnHeaderFontHeight + m_nLineSpace);
                DrawColumnHeader(g, m_oColumnHeaderFont, defaultBrush, columnHeaderRect);
                /* 打印元素 */
                int itemHeight = bodyFontHeight + m_nLineSpace;
                Rectangle itemRect;
                int yPos = columnHeaderRect.Bottom;
                int printItemPerPage = (textRect.Height - columnHeaderRect.Height) / (bodyFontHeight + m_nLineSpace);
                for (int i = 0; (i < printItemPerPage) && (m_nCurPrintItem < this.Items.Count); i++)
                {
                    itemRect = new Rectangle(textRect.X, yPos, textRect.Width, itemHeight);
                    DrawItem(g, m_oBodyFont, defaultBrush, itemRect);
                    m_nCurPrintItem++;
                    yPos += itemHeight;
                }
            }

            /// <summary>    
            /// 打印页尾    
            /// </summary>    
            /// <param name="g"></param>    
            protected virtual void PrintPageTail(Graphics g)
            {
                g.DrawLine(defaultPen, m_oTailRect.X, m_oTailRect.Top + 1, m_oTailRect.Right, m_oTailRect.Top + 1);
                RectangleF textRect = new RectangleF(m_oTailRect.X, m_oTailRect.Y + 3, m_oTailRect.Width, m_oTailRect.Height - 3);
                string text = "第 " + m_nFromPage.ToString() + " 页  共 " + m_nTotalPage.ToString() + " 页";
                m_nFromPage++;
                CenterText(g, text, m_oTailFont, defaultBrush, textRect);
                string time = "打印时间：" + DateTime.Now.ToLongDateString() + "   ";
                RightText(g, time, m_oTailFont, defaultBrush, textRect);
            }

            /// <summary>    
            /// 打印一页    
            /// </summary>    
            /// <param name="sender"></param>    
            /// <param name="e"></param>    
            private void PrintPage(object sender, PrintPageEventArgs e)
            {
                e.Graphics.PageUnit = GraphicsUnit.Inch;
                e.Graphics.PageScale = .01f;
                if (m_bIsAlwaysPrintHeader == true)
                {
                    PrintPageHeader(e.Graphics);
                }
                else
                {
                    if (m_nCurPrintPage == 1)
                    {
                        PrintPageHeader(e.Graphics);
                    }
                }

                PrintPageBody(e.Graphics);
                PrintPageTail(e.Graphics);
                if (m_nCurPrintPage == m_nPageCount)
                {
                    e.HasMorePages = false;
                }
                else
                {
                    e.HasMorePages = true;
                }
                m_nCurPrintPage++;
            }

            /// <summary>    
            /// 打印前的初始化设置    
            /// </summary>    
            /// <param name="sender"></param>    
            /// <param name="e"></param>    
            private void BeginPrint(object sender, PrintEventArgs e)
            {
                m_nCurPrintPage = 1;
            }

            /// <summary>    
            /// 打印结束后的资源释放    
            /// </summary>    
            /// <param name="sender"></param>    
            /// <param name="e"></param>    
            private void EndPrint(object sender, PrintEventArgs e)
            {

            }

            /// <summary>    
            /// 居中显示文本信息    
            /// </summary>    
            private void CenterText(Graphics g, string t, Font f, Brush b, RectangleF rect)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Center;
                sf.LineAlignment = StringAlignment.Center;
                g.DrawString(t, f, b, rect, sf);
            }

            /// <summary>    
            /// 居右显示文本信息    
            /// </summary>    
            private void RightText(Graphics g, string t, Font f, Brush b, RectangleF rect)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Far;
                sf.LineAlignment = StringAlignment.Center;
                g.DrawString(t, f, b, rect, sf);
            }

            /// <summary>    
            /// 居左显示文本信息    
            /// </summary>    
            private void LeftText(Graphics g, string t, Font f, Brush b, RectangleF rect)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Near;
                sf.LineAlignment = StringAlignment.Center;
                g.DrawString(t, f, b, rect, sf);
            }

            /// <summary>    
            /// 打印 listview 的 columnheader    
            /// </summary>    
            private void DrawColumnHeader(Graphics g, Font f, Brush b, Rectangle rect)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Center;
                sf.LineAlignment = StringAlignment.Center;
                Rectangle itemRect;
                Point location = new Point(rect.Location.X, rect.Location.Y);
                Size itemSize;
                for (int i = 0; i < this.Columns.Count; i++)
                {
                    itemSize = new Size(this.Columns[i].Width, rect.Height);
                    itemRect = new Rectangle(location, itemSize);
                    g.DrawRectangle(defaultPen, itemRect);
                    g.DrawString(this.Columns[i].Text, f, b, itemRect, sf);
                    location.X += this.Columns[i].Width;
                }
            }

            /// <summary>    
            /// 打印 listview 的 item    
            /// </summary>    
            private void DrawItem(Graphics g, Font f, Brush b, Rectangle rect)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Near;
                sf.LineAlignment = StringAlignment.Center;
                Rectangle itemRect;
                Point location = new Point(rect.Location.X, rect.Location.Y);
                Size itemSize;
                for (int i = 0; i < this.Columns.Count; i++)
                {
                    itemSize = new Size(this.Columns[i].Width, rect.Height);
                    itemRect = new Rectangle(location, itemSize);
                    g.DrawRectangle(defaultPen, itemRect);
                    g.DrawString(this.Items[m_nCurPrintItem].SubItems[i].Text, f, b, itemRect, sf);
                    location.X += this.Columns[i].Width;
                }
            }
        }