C# Excel +++++ 读取其中的图片

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Office.Tools.Excel;
using Excel;
using System.Reflection;
namespace excel
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建Application对象 
            Excel.Application xApp = new Excel.ApplicationClass();
            xApp.Visible = true;
            Excel.Workbook xBook = xApp.Workbooks._Open(@"D:\a.xls",
                      Missing.Value, Missing.Value, Missing.Value, Missing.Value
                    , Missing.Value, Missing.Value, Missing.Value, Missing.Value
                    , Missing.Value, Missing.Value, Missing.Value, Missing.Value);
            //xBook=xApp.Workbooks.Add(Missing.Value);//新建文件的代码
          
            Excel.Worksheet xSheet = (Excel.Worksheet)xBook.Sheets[1];
            //读取数据，通过Range对象
            Excel.Range rng1 = xSheet.get_Range("B1", Type.Missing);
            //A1  B3 是行和列的标志
            Console.WriteLine(rng1.Value2);
            String a = (String )rng1.Value2;
            //读取，通过Range对象，但使用不同的接口得到Range
            Excel.Range rng2 = (Excel.Range)xSheet.Cells[3, 1];
            Console.WriteLine(rng2.Value2);

            String a1 = (String)rng2.Value2;
            //写入数据
            Excel.Range rng3 = xSheet.get_Range("C6", Missing.Value);
            rng3.Value2 = "Hello";
            rng3.Interior.ColorIndex = 6; //设置Range的背景色
            //保存方式三
            xBook.Save();

            xSheet = null;
            xBook = null;
            xApp.Quit(); //这一句是非常重要的，否则Excel对象不能从内存中退出 
            xApp = null;
        }
    }
}
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private string exclePath  = @"E:\111.xls";
private int StartRow = 2;    //读的起始行
private void button1_Click(object sender, System.EventArgs e)
{
    Excel.Application excel = new Excel.Application();//引用Excel对象
    Excel.Workbook workbook = excel.Workbooks.Add(exclePath);
    excel.UserControl = true;
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    excel.Visible = false;
    for (int i = 0; i < workbook.Worksheets.Count; i++)//循环取所有的Sheet.
    {
        Excel.Worksheet sheet = workbook.Worksheets.get_Item(i + 1) as Excel.Worksheet;//从１开始.
        for (int row = StartRow; row <= sheet.UsedRange.Rows.Count; row++)
        {
            //取单元格值；
            for (int col = 1; col <= sheet.UsedRange.Columns.Count; col++)
            {
                Excel.Range range =sheet.Cells[row, col] as Excel.Range;
                sb.Append("," + col.ToString() + ":" + range.Text);
            }
            sb.Append(System.Environment.NewLine);
            //取存图片；
            if(sheet.Shapes.Count > row - StartRow )
            {
                Excel.Shape s = sheet.Shapes.Item(row - StartRow + 1) as Excel.Shape;
                s.CopyPicture(Appearance.Button, Excel.XlCopyPictureFormat.xlBitmap);　//COPY到内存。
                IDataObject iData = Clipboard.GetDataObject();
                if (iData.GetDataPresent(DataFormats.Bitmap))
                {
                    pictureBox1.Image = (Bitmap)iData.GetData(DataFormats.Bitmap);    //从内存取值；
                    pictureBox1.Image.Save(string.Format(@"D:\{0}.jpg", row));        //保存。
                }
                else
                {
                    pictureBox1.Image = null;
                }
            }
        }
            }
    workbook.Close(false,null,null);
    excel.Quit();
}

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