引用COM：Microsoft Office 11.0 Object Library

引用類：
using System;
using System.Windows.Forms;
using Excel = Microsoft.Office.Interop.Excel;

調用：

private void button1_Click(objectsender, EventArgse)
{
PictureToExcel ipt=new PictureToExcel();
ipt.Open();
// ipt.InsertPicture("B2", @"C:\Pic.jpg");
ipt.InsertPicture("B8", @"C:\Pic.jpg", 80, 100);
ipt.SaveFile(@"C:\ExcelTest.xls");
ipt.Dispose();
}

PictureToExcel.cs

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

using System.Windows.Forms;
using Excel; 

namespace ImgToExcel
{
    class PictureToExcel
    {
       
         /// <summary>       
         ///打開沒有模板的操作。  
         /// </summary>    
         public void Open( )   
         {
             this.Open(String.Empty); 
         }  



         /// <summary>   
         /// 功能：實現Excel應用程序的打開   
         /// </summary>   
         /// <param name="TemplateFilePath">模板文件物理路徑</param>   
         public void Open( string TemplateFilePath )   
         {
             //打開對象
             m_objExcel = new Excel.Application(); 
             m_objExcel.Visible = false;
             m_objExcel.DisplayAlerts = false;  
             if (m_objExcel.Version != "11.0") 
             {
                 MessageBox.Show("您的Excel 版本不是11.0 （Office 2003），操作可能會出現問題。");
                 m_objExcel.Quit(); 
                 return; 
             } 
             m_objBooks = (Excel.Workbooks)m_objExcel.Workbooks; 
             if (TemplateFilePath.Equals(String.Empty))  
             {  
                 m_objBook = (Excel._Workbook)(m_objBooks.Add(m_objOpt));  
             } 
             else 
             {   
                 m_objBook = m_objBooks.Open(TemplateFilePath, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt); 
             } 
             m_objSheets = (Excel.Sheets)m_objBook.Worksheets;
             m_objSheet = (Excel._Worksheet)(m_objSheets.get_Item(1)); 
             m_objExcel.WorkbookBeforeClose += new Excel.AppEvents_WorkbookBeforeCloseEventHandler(m_objExcel_WorkbookBeforeClose); 
         } 


        private void m_objExcel_WorkbookBeforeClose( Excel.Workbook m_objBooks, ref bool _Cancel )
        {  
            MessageBox.Show("保存完畢！"); 
        } 



         /// <summary>  
         /// 將圖片插入到指定的單元格位置。  
         /// 註意：圖片必須是絕對物理路徑    /// </summary>  
         /// <param name="RangeName">單元格名稱，例如：B4</param>  
         /// <param name="PicturePath">要插入圖片的絕對路徑。</param> 
         public void InsertPicture( string RangeName, string PicturePath )  
         {
             m_objRange = m_objSheet.get_Range(RangeName, m_objOpt);
             m_objRange.Select();
             Excel.Pictures pics = (Excel.Pictures)m_objSheet.Pictures(m_objOpt);
             pics.Insert(PicturePath, m_objOpt);
         } 



         /// <summary> 
         /// 將圖片插入到指定的單元格位置，並設置圖片的寬度和高度。
         /// 註意：圖片必須是絕對物理路徑    
         /// </summary>   
         /// <param name="RangeName">單元格名稱，例如：B4</param>  
         /// <param name="PicturePath">要插入圖片的絕對路徑。</param>  
         /// <param name="PictuteWidth">插入後，圖片在Excel中顯示的寬度。</param>    
         /// <param name="PictureHeight">插入後，圖片在Excel中顯示的高度。</param>    
         public void InsertPicture( string RangeName, string PicturePath, float PictuteWidth, float PictureHeight )   
         {
             m_objRange = m_objSheet.get_Range(RangeName, m_objOpt);
             m_objRange.Select(); 
             float PicLeft, PicTop;
             PicLeft = Convert.ToSingle(m_objRange.Left);
             PicTop = Convert.ToSingle(m_objRange.Top);   
             //參數含義： 
             //圖片路徑  
             //是否鏈接到文件 
             //圖片插入時是否隨文檔一起保存  
             //圖片在文檔中的坐標位置（單位：points） 
             //圖片顯示的寬度和高度（單位：points） 
             //參數詳細信息參見：http://msdn2.microsoft.com/zh-cn/library/aa221765(office.11).aspx  
             m_objSheet.Shapes.AddPicture(PicturePath, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoTrue, PicLeft, PicTop, PictuteWidth, PictureHeight);  
         } 




         /// <summary>  
         /// 將Excel文件保存到指定的目錄，目錄必須事先存在，文件名稱不一定要存在。
         /// </summary>     /// <param name="OutputFilePath">要保存成的文件的全路徑。</param>  
         public void SaveFile( string OutputFilePath ) 
         { 
             m_objBook.SaveAs(OutputFilePath, m_objOpt, m_objOpt,m_objOpt, m_objOpt, m_objOpt, Excel.XlSaveAsAccessMode.xlNoChange, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt); 
             this.Close(); 
         }  



         /// <summary>   
         /// 關閉應用程序
         /// </summary>   
         private void Close( )   
         { 
              m_objBook.Close(false, m_objOpt, m_objOpt);
              m_objExcel.Quit(); 
         }  



         /// <summary>  
         /// 釋放所引用的COM對象。註意：這個過程一定要執行。
         /// </summary>   
         public void Dispose( )   
         { 
              ReleaseObj(m_objSheets);
              ReleaseObj(m_objBook);
              ReleaseObj(m_objBooks);
              ReleaseObj(m_objExcel);
              System.GC.Collect(); 
              System.GC.WaitForPendingFinalizers();  
         } 



        /// <summary> 
        /// /// 釋放對象，內部調用
        /// /// </summary> 
        /// /// <param name="o"></param> 
         
            private void ReleaseObj( object o )
            {
                try
                {
                    System.Runtime.InteropServices.Marshal.ReleaseComObject(o);
                    
                }
                catch { }  
                    
                finally
                {
                    o = null;
                }
            }


            private Excel.Application m_objExcel = null;
            private Excel.Workbooks m_objBooks = null;
            private Excel._Workbook m_objBook = null;
            private Excel.Sheets m_objSheets = null;
            private Excel._Worksheet m_objSheet = null;
            private Excel.Range m_objRange = null;
            private object m_objOpt = System.Reflection.Missing.Value; 

     
        }
    
}

c# 圖片插入Excel