没做过,看看帮助吧<BR>Callback string<BR>Menu action. A callback routine that executes whenever you select the menu. Define this routine as a string that is a valid MATLAB expression or the name of an M-file. The expression executes in the MATLAB workspace. A menu with children (submenus) executes its callback routine before displaying the submenus. A menu without children executes its callback routine when you release the mouse button (i.e., on the button up event).