用OpenXml从Presentation的表中移处/添加列

这是个非常简单的例子用来说明移处/添加列的一般方法

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Drawing;
using P = DocumentFormat.OpenXml.Presentation;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private string Path { set; get; }
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog objOpenFileDialog = new OpenFileDialog();
            objOpenFileDialog.Filter = "PPT (*.pptx)|*.pptx";
            objOpenFileDialog.ShowDialog();
            Path = objOpenFileDialog.FileName;
            if (Path.Length > 0)
            {
                button2.Enabled = true;
                button3.Enabled = true;
            }
        }

        private Table GetTable(PresentationDocument Part)
        {
            PresentationPart objPresentationPart = Part.PresentationPart;
            SlidePart objSlidePart = objPresentationPart.SlideParts
                .First<SlidePart>();
            P.Slide objSlide = objSlidePart.Slide;
            P.CommonSlideData objCommonSlideData = objSlide.CommonSlideData;
            P.ShapeTree objShapeTree = objCommonSlideData.ShapeTree;
            P.GraphicFrame objGraphicFrame = objShapeTree
                .Descendants<P.GraphicFrame>().FirstOrDefault();
            Graphic objGraphic = objGraphicFrame.Graphic;
            GraphicData objGraphicData = objGraphic.GraphicData;
            Table table = objGraphicData.Descendants<Table>().FirstOrDefault();
            return table;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (Path.Length > 0)
            {
                using (PresentationDocument objPresentationDocument = 
                    PresentationDocument.Open(Path,true))
                {
                    Table objTable = GetTable(objPresentationDocument);
                    TableGrid objTableGrid = objTable.TableGrid;
                    GridColumn objGridColumn = objTableGrid
                        .Descendants<GridColumn>().FirstOrDefault();
                    objGridColumn.Remove();
                    List<TableRow> Rows = objTable.Descendants<TableRow>()
                        .ToList();
                    for (int i = 0; i < Rows.Count; i++)
                    {
                        TableRow Row = Rows[i];
                        TableCell objTableCell = Row.Descendants<TableCell>()
                            .FirstOrDefault();
                        objTableCell.Remove();
                    }
                    objPresentationDocument.PresentationPart.SlideParts
                        .First<SlidePart>().Slide.Save();
                }
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (Path.Length > 0)
            {
                using (PresentationDocument objPresentationDocument =
                    PresentationDocument.Open(Path, true))
                {
                    Table objTable = GetTable(objPresentationDocument);
                    TableGrid objTableGrid = objTable.TableGrid;
                    GridColumn objGridColumn = new GridColumn()
                    { 
                        Width = 1234000L 
                    };
                    objTableGrid.Append(objGridColumn);
                    List<TableRow> Rows = objTable.Descendants<TableRow>()
                        .ToList();
                    for (int i = 0; i < Rows.Count; i++)
                    {
                        TableRow Row = Rows[i];
                        TableCell newCell = new TableCell();
                        TextBody objTextBody = new TextBody();
                        Paragraph objParagraph = new Paragraph();
                        TableCellProperties objTableCellProperties = 
                            new TableCellProperties();
                        BodyProperties objBodyProperties = new BodyProperties();
                        objTextBody.Append(objBodyProperties);
                        objTextBody.Append(objParagraph);
                        newCell.Append(objTextBody);
                        newCell.Append(objTableCellProperties);
                        Row.Append(newCell);
                    }
                    objPresentationDocument.PresentationPart.SlideParts
                        .First<SlidePart>().Slide.Save();
                }
            }
        }
    }
}

 相关资源：http://download.csdn.net/detail/tx_officedev/4039735