Nils Wiegandt writes: > don not want to use the pulldownmenue to start a Zclass ,but want to > write a method which call a ZClass automatically by a submitbottom. What do you mean with "start a ZClass"? If you do not do something special, a ZInstance cannot be called (but its methods can). If you did something special, then "your_instance(parameters)" would work. Dieter