MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Spécifications télécharger pdf (Page 172)

5 Application Examples

5-48

Addresses = handles.Addresses;

Answer=questdlg('Do you want to change the phone number?', ...

'Change Phone Number', ...

'Yes','Cancel','Yes');

switch Answer

case 'Yes'

% If no name match was found create a new contact

Addresses(handles.Index).Phone = Current_Phone;

handles.Addresses = Addresses;

guidata(h,handles)

return

case 'Cancel'

% Revert back to the original number

set(handles.Contact_Phone,'String',Addresses(handles.Index).Phone)

return

end

Paging Through the Address Book – Prev/Next

The Prev and Next buttons page back and forth through the entries in the

address book. Both push buttons use the same callback,

Prev_Next_Callback.

You must set the

Callback property of both push buttons to call this

subfunction, as the following illustration of the

Prev push button Callback

property setting shows:

Determining Which Button Is Clicked

The callback defines an additional argument, str, that indicates which button,

Prev or Next, was clicked. For the Prev button Callback property (illustrated

above), the

Callback string includes 'Prev' as the last argument. The Next

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Spécifications Page 172