I\'m writing a Excel class using Microsoft.Interropt.Excel DLL.
I finish all function but I have an error in my Destructor.
I Want to save all changes to my file and I want
No, you should not be accessing any managed objects in a destructor: this includes COM RCWs.
Instead, implement the standard IDisposable pattern, and release your COM objects in the Dispose(bool) method like you would a disposable managed object.