Creating Graphical User Interfaces

Defining the Yes and No Buttons Callbacks

The callbacks for the Yes and No buttons perform the same basic steps:

• Assign the user response in the handles structure answer field.
• Use guidata to save the modified handles structure, which is then read by the main function.
• Use uiresume to continue the blocked code in the main function.

The Tag property of each push button uicontrol was changed before saving the application M-file so that the callback function names are more descriptive. The following code illustrates the implementation of the callbacks.

function varargout = noButton_Callback(h, eventdata, handles, varargin)
handles.answer = 'no';
guidata(h, handles);
uiresume(handles.figure1);

function varargout = yesButton_Callback(h, eventdata, handles, varargin)
handles.answer = 'yes';
guidata(h,handles);
uiresume(handles.figure1);

Executing a Callback

Protecting the GUI with a Close Request Function