CLOSEEDIT IN EXCEL (把焦点从当前单元格上移开)

try
            {

                objMiss=Missing.Value;
                XLApp.Visible = true;
                XLApp.ActiveCell.Activate();
                XLApp.ActiveCell.FindNext(objMiss);           
            }
            catch (Exception Ex)
            {
                MessageBox.Show(Ex.Message);
            }