MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Bedienungsanleitung PDF herunterladen (Seite 263)

An Address Book Reader

10-39

set(handles.Contact_Name,'string',Addresses(i).Name)

set(handles.Contact_Phone,'string',Addresses(i).Phone)

handles.Index = i;

guidata(hObject, handles)

return

end

% If it's a new name, ask to create a new entry

Answer=questdlg('Do you want to create a new entry?', ...

'Create New Entry', ...

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

switch Answer

case 'Yes'

Addresses(end+1).Name = Current_Name; % Grow array by 1

Addresses(end).Phone = Current_Phone;

index = length(Addresses);

handles.Addresses = Addresses;

handles.Index = index;

guidata(hObject, handles)

return

case 'Cancel'

% Revert back to the original number

set(handles.Contact_Name,'String',Addresses(handles.Index).Name)

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

return

end

The Contact Phone Number Callback

The Contact Phone # text box displays the phone number of the entry listed

in the

Contact Name text box. If you type in a new number click one of the

push buttons, the callback opens a question dialog that asks you if you want to

change the existing number or cancel your change.

Like the

Contact Name text box, this callback uses the index pointer

(

handles.Index) to update the new number in the address book and to revert

to the previously displayed number if the user selects

Cancel from the question

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Bedienungsanleitung Seite 263