- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Text;
- using System.Windows.Forms;
- using System.Drawing.Printing;
- using System.IO;
-
- namespace NetCsharp
- {
-
- ///
- /// 实现DataGridView的打印
- ///
- public class PrintDataGridView
- {
- private static List CellPrintList = new List();
-
- private static int printRowCount = 0;
-
- private static bool IsPrint = true;
- private static bool IsRole = true;
- private static int PoXTmp = 0;
- private static int PoYTmp = 0;
- private static int WidthTmp = 0;
- private static int HeightTmp = 0;
- private static int RowIndex = 0;
-
-
- ///
- /// 打印DataGridView控件
- ///
- /// DataGridView控件
- /// 是否包括列标题
- /// 为 System.Drawing.Printing.PrintDocument.PrintPage 事件提供数据。
- /// 起始X坐标
- /// 起始Y坐标
- public static void Print(DataGridView dataGridView, bool includeColumnText, PrintPageEventArgs e, ref int PoX, ref int PoY)
- {
- try
- {
- if (PrintDataGridView.IsPrint)
- {
- PrintDataGridView.printRowCount = 0;
- PrintDataGridView.IsPrint = false;
- PrintDataGridView.DataGridViewCellVsList(dataGridView, includeColumnText);
- if (0 == PrintDataGridView.CellPrintList.Count)
- return;
- if (PoX > e.MarginBounds.Left)
- PrintDataGridView.IsRole = true;
- else
- PrintDataGridView.IsRole = false;
- PrintDataGridView.PoXTmp = PoX;
- PrintDataGridView.PoYTmp = PoY;
- PrintDataGridView.RowIndex = 0;
- WidthTmp = 0;
- HeightTmp = 0;
- }
- if (0 != PrintDataGridView.printRowCount)
- {
- if (IsRole)
- {
- PoX = PoXTmp = e.MarginBounds.Left;
- PoY = PoYTmp = e.MarginBounds.Top;
- }
- else
- {
- PoX = PoXTmp;
- PoY = PoYTmp;
- }
- }
- while (PrintDataGridView.printRowCount < PrintDataGridView.CellPrintList.Count)
- {
- DataGridViewCellPrint CellPrint = CellPrintList[PrintDataGridView.printRowCount];
- if (RowIndex == CellPrint.RowIndex)
- PoX = PoX + WidthTmp;
- else
- {
- PoX = PoXTmp;
- PoY = PoY + HeightTmp;
- if (PoY + HeightTmp > e.MarginBounds.Bottom)
- {
- HeightTmp = 0;
- e.HasMorePages = true;
- return;
- }
- }
- using (SolidBrush solidBrush = new SolidBrush(CellPrint.BackColor))
- {
- RectangleF rectF1 = new RectangleF(PoX, PoY, CellPrint.Width, CellPrint.Height);
- e.Graphics.FillRectangle(solidBrush, rectF1);
- using (Pen pen = new Pen(Color.Black, 1))
- e.Graphics.DrawRectangle(pen, Rectangle.Round(rectF1));
- solidBrush.Color = CellPrint.ForeColor;
- e.Graphics.DrawString(CellPrint.FormattedValue, CellPrint.Font, solidBrush, new Point(PoX + 2, PoY + 3));
- }
- WidthTmp = CellPrint.Width;
- HeightTmp = CellPrint.Height;
- RowIndex = CellPrint.RowIndex;
- PrintDataGridView.printRowCount++;
- }
- PoY = PoY + HeightTmp;
- e.HasMorePages = false;
- PrintDataGridView.IsPrint = true;
- }
- catch
- {
- e.HasMorePages = false;
- PrintDataGridView.IsPrint = true;
- throw;
- }
-
- }
-
-
- ///
- /// 将DataGridView控件内容转变到 CellPrintList
- ///
- /// DataGridView控件
- /// 是否包括列标题
- private static void DataGridViewCellVsList(DataGridView dataGridView, bool includeColumnText)
- {
- CellPrintList.Clear();
- try
- {
- int rowsCount = dataGridView.Rows.Count;
- int colsCount = dataGridView.Columns.Count;
-
- //最后一行是供输入的行时,不用读数据。
- if (dataGridView.Rows[rowsCount - 1].IsNewRow)
- rowsCount--;
- //包括列标题
- if (includeColumnText)
- {
- for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++)
- {
- if (dataGridView.Columns[columnsIndex].Visible)
- {
- DataGridViewCellPrint CellPrint = new DataGridViewCellPrint();
- CellPrint.FormattedValue = dataGridView.Columns[columnsIndex].HeaderText;
- CellPrint.RowIndex = 0;
- CellPrint.ColumnIndex = columnsIndex;
- CellPrint.Font = dataGridView.Columns[columnsIndex].HeaderCell.Style.Font;
- CellPrint.BackColor = dataGridView.ColumnHeadersDefaultCellStyle.BackColor;
- CellPrint.ForeColor = dataGridView.ColumnHeadersDefaultCellStyle.ForeColor;
- CellPrint.Width = dataGridView.Columns[columnsIndex].Width;
- CellPrint.Height = dataGridView.ColumnHeadersHeight;
- CellPrintList.Add(CellPrint);
- }
- }
- }
- //读取单元格数据
- for (int rowIndex = 0; rowIndex < rowsCount; rowIndex++)
- {
- for (int columnsIndex = 0; columnsIndex < colsCount; columnsIndex++)
- {
- if (dataGridView.Columns[columnsIndex].Visible)
- {
- DataGridViewCellPrint CellPrint = new DataGridViewCellPrint();
- CellPrint.FormattedValue = dataGridView.Rows[rowIndex].Cells[columnsIndex].FormattedValue.ToString();
- if (includeColumnText)
- CellPrint.RowIndex = rowIndex + 1;//假如包括列标题则从行号1开始
- else
- CellPrint.RowIndex = rowIndex;
- CellPrint.ColumnIndex = columnsIndex;
- CellPrint.Font = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.Font;
- System.Drawing.Color TmpColor = System.Drawing.Color.Empty;
- if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor)
- TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.BackColor;
- else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor)
- TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.BackColor;
- else
- TmpColor = dataGridView.DefaultCellStyle.BackColor;
- CellPrint.BackColor = TmpColor;
- TmpColor = System.Drawing.Color.Empty;
- if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor)
- TmpColor = dataGridView.Rows[rowIndex].Cells[columnsIndex].Style.ForeColor;
- else if (System.Drawing.Color.Empty != dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor)
- TmpColor = dataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor;
- else
- TmpColor = dataGridView.DefaultCellStyle.ForeColor;
- CellPrint.ForeColor = TmpColor;
- CellPrint.Width = dataGridView.Columns[columnsIndex].Width;
- CellPrint.Height = dataGridView.Rows[rowIndex].Height;
- CellPrintList.Add(CellPrint);
- }
- }
- }
- }
- catch { throw; }
- }
-
- private class DataGridViewCellPrint
- {
- private string _FormattedValue = "";
- private int _RowIndex = -1;
- private int _ColumnIndex = -1;
- private System.Drawing.Color _ForeColor = System.Drawing.Color.Black;
- private System.Drawing.Color _BackColor = System.Drawing.Color.White;
- private int _Width = 100;
- private int _Height = 23;
- private System.Drawing.Font _Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
-
- ///
- /// 获取或设置单元格的字体。
- ///
- public System.Drawing.Font Font
- {
- set { if (null != value) _Font = value; }
- get { return _Font; }
- }
-
- ///
- /// 获取为显示进行格式化的单元格的值。
- ///
- public string FormattedValue
- {
- set { _FormattedValue = value; }
- get { return _FormattedValue; }
- }
-
- ///
- /// 获取或设置列的当前宽度 (以像素为单位)。默认值为 100。
- ///
- public int Width
- {
- set { _Width = value; }
- get { return _Width; }
- }
-
- ///
- /// 获取或设置列标题行的高度(以像素为单位)。默认值为 23。
- ///
- public int Height
- {
- set { _Height = value; }
- get { return _Height; }
- }
-
- ///
- /// 获取或设置行号。
- ///
- public int RowIndex
- {
- set { _RowIndex = value; }
- get { return _RowIndex; }
- }
-
- ///
- /// 获取或设置列号。
- ///
- public int ColumnIndex
- {
- set { _ColumnIndex = value; }
- get { return _ColumnIndex; }
- }
-
- ///
- /// 获取或设置前景色。
- ///
- public System.Drawing.Color ForeColor
- {
- set { _ForeColor = value; }
- get { return _ForeColor; }
- }
-
- ///
- /// 获取或设置背景色。
- ///
- public System.Drawing.Color BackColor
- {
- set { _BackColor = value; }
- get { return _BackColor; }
- }
-
- }
-
- }
- }
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