Matlab-------------Gui编程点击x时提示

在varargout 函数中添加

function varargout = MyTest_OutputFcn(hObject, eventdata, handles) 

varargout{1} = handles.output;


set(gcf,'CloseRequestFcn',@my_closefcn);


function my_closefcn(src,evnt)
% User-defined close request function 
% to display a question dialog box 
selection = questdlg('确定要退出么？',...
    '关闭',...
    'Yes','No','Yes'); 
switch selection, 
    case 'Yes',
       delete(gcf)
    case 'No'
       return 

end