matlab-模态对话框

 modal dialog box with the command:
user_response = modaldlg('Title','Confirm Close');

This is an example of calling a GUI with a property value pair. In this case, the figure property is 'Title', and its value is the string 'Confirm Close'.  

 

% --- Executes on button press in btn_draw.
function btn_draw_Callback(hObject, eventdata, handles)
% hObject    handle to btn_draw (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
%求解一元二次方程
myres=roots([getappdata(hObject,'numa'),getappdata(hObject,'numb'),getappdata(hObject,'numc')]);
set(handles.result,'string',mat2str(myres)) ;

%显示对话框,mymodaldlg是通过GUIDE的向导增加的模态提问问答对话框
mychoice=mymodaldlg('comput','value inspector')
switch mychoice
    case 'No'
        %显示一个对话框，不可能吧
    case 'Yes'
        delete(handles.figure1)
end

 

 

 

改生成的模态对话框

试运行

 
 增加显示不可能的对话框

 修改这个对话框

 最终代码

 

% --- Executes on button press in btn_draw.
function btn_draw_Callback(hObject, eventdata, handles)
% hObject    handle to btn_draw (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
%求解一元二次方程
myres=roots([getappdata(hObject,'numa'),getappdata(hObject,'numb'),getappdata(hObject,'numc')]);
set(handles.result,'string',mat2str(myres)) ;

%显示对话框,mymodaldlg是通过GUIDE的向导增加的模态提问问答对话框
mychoice=mymodaldlg('comput','value inspector')
switch mychoice
    case 'No'
        %显示一个对话框，不可能吧
        mych=npmodaldlg('computvalue','value yes')
    case 'Yes'
        delete(handles.figure1)
end