How to add items and update listbox cursor in MATLAB GUI?

Hey guys,

i am working on a kind of logbox, which shall document every step the user does in the GUI. Therefore i want to display text comments in a listbox in the front surface of the GUI.

Attached you find a basic example. The Main GUI is logboxtest.m. From this GUI i can initialize the listbox by pressing the push button. This works fine and the cursor is even updated to the last element, that is added! so this is actually the result i would like to achieve for the other option too;

The other option is, to press the OpenSubGUI-button and open the File named push.m. From this Subgui i want to add text to the listbox in the MainGUI by pressing the push-button there. Adding of the text works fine! but the cursor cannot update to the last element and it occurs the error message

Error using set
Conversion to double from cell is not possible.

Error in push>pushbutton1_Callback (line 93)
 set(handlesGui_logboxtest.names,'ListboxTop',num_element)   %set Listbox to last element

Could you please help me? This is a basic example...i aim at transfering data from many subGUIs to the main GUIs logbox, so that the user is always aware of his previous actions but unfortunately i cannot run this one.

I am very glad for your help!!

Best regards, John

Answer 1

[Walter Roberson]

Change

set(handlesGui_logboxtest.names,'ListboxTop',num_element)   %Setze Listbox auf letztes Element

to

set(handlesGui_logboxtest.listbox1,'ListboxTop',num_element)   %Setze Listbox auf letztes Element

[John]

thank you Walter, the issue has been solved:)