Passing Variables from GUI to Script

Hello All. I have built an analysis tool that boots up to a UI with dropdown menus. The 'Run PME Analysis' button runs a script with a SQL query that is generated from values in the dropdowns ("run_pme").

But, I have been unable to pass variables from the GUI dropdowns to my script. Here is the code from the top dropdown and the first bit of code from the script:

if true
function popfirm_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
  set(hObject,'BackgroundColor','white');   
end
firmcontents = cellstr(get(hObject,'String'));
firm = firmcontents{get(hObject,'Value')};
if (strcmp(firm,'All Firms'))
  firmquery = '';
else    
  firmquery = strcat('AND [Firm] ='," '", firm, "'");
end
handles.firmquery = 'firmquery';
guidata(hObject, handles);

if true
function popfirm_Callback(hObject, eventdata, handles)
firmcontents = cellstr(get(hObject,'String'));
firm = firmcontents{get(hObject,'Value')};
if (strcmp(firm,'All Firms'))
  firmquery = '';
else    
  firmquery = strcat('AND [Firm] ='," '", firm, "'");
end  
handles.firmquery = 'firmquery';
guidata(hObject, handles);
end

if true
function run_pme(obj, eventData, handles)
  firmq = handles.firmquery
end

When I click the "Run PME" Button, I get the following error:

_Not enough input arguments.

Error in PME_Analysis_Full>run_pme (line 206) firmq = handles.firmquery_

I'm sure the problem will be obvious to anyone with experience but I'm still quite new. Any help you can provide would be most appreciated.

Thanks!

[Adam]

How is run_pme called? Is it the callback for the button that you renamed to not include the usual 'callback' part of its name?

[junkbond916]

Sorry - I should have included the code for the "Run PME Analysis" button. Here you go:

if true
function runpmebutton_Callback(hObject, eventdata, handles)
run_pme;
end

Answer 1

[Rajesh Balagam]

Refer to the following MATLAB documentation page for some pointers on sharing the data among UI elements.

https://www.mathworks.com/help/matlab/creating_guis/share-data-among-callbacks.html

It seems the error observed in your code is due to calling run_pme function with no input arguments whereas the run_pme function expects 3 inputs.