程序中已使用的代码如下:........._Application ExcelApp;  
Workbooks wbsMyBooks;  
_Workbook wbMyBook;  
Worksheets wssMysheets;  
_Worksheet wsMysheet;  
Range rgMyRge;  .............
rgMyRge.ReleaseDispatch();  
wsMysheet.ReleaseDispatch();  
wssMysheets.ReleaseDispatch();  
wbMyBook.ReleaseDispatch();  
wbsMyBooks.ReleaseDispatch();  
ExcelApp.ReleaseDispatch();  ...................