c# - How do you exit from another method? -

is there anyway can exit method method this?

            if (workisdone())             xceed.wpf.toolkit.messagebox.show("done");             return.workisdone(); // or that?????             dispatchertimer timer = (dispatchertimer)sender;             timer.stop();             timer = null;         }     } 

if (workisdone()) {     xceed.wpf.toolkit.messagebox.show("done");     return; } dispatchertimer timer = (dispatchertimer)sender; timer.stop(); timer = null;