Sets or returns a DateTime that represents the date this file was last saved.

public System.DateTime LastSavedDate{ get; set; }
Public Property LastSavedDate() As Date
          //--- Return LastSavedDate
          DateTime oDateTime = docProps.LastSavedDate;

          //--- Set LastSavedDate
          docProps.LastSavedDate = DateTime.Now;
        
          '--- Return LastSavedDate
          Dim oDateTime As DateTime = docProps.LastSavedDate

          '--- Set LastSavedDate
          docProps.LastSavedDate = DateTime.Now