Why do my EditField / TextArea not get updated?
20 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Hello everyone,
I am currently writing an app with AppDesigner to plot some variables.
I have a ListBox containing the variable names I have listed in a table. In that table I also have the path information of the variable.
I am trying to display that path information in a TextArea or in an EditField, however they stay empty.
I've tried to solve this with these lines in the ListBox-function
function VariablesListBoxValueChanged(app, event)
app.VariablesListBox.ItemsData = 1:length(app.VariablesListBox.Items);
SelectNum = app.VariablesListBox.Value;
load s; % s is the table which I already loaded with another button
SelectPath = s.Y(SelectNum).Path;
set(app.VariableTextLabel, 'Text', SelectPath);
app.VariablePathTextArea.Value = SelectPath
save SelectNum;
save SelectPath;
end
and with these ones in the PushButton-function
function ShowButtonPushed(app, event)
load s;
load SelectNum;
load SelectPath;
set(app.VariableTextLabel, 'Text', SelectPath);
end
but nothing seemes to be working.
I am very helpful for every piece of advice. Many thanks in advance!
0 commentaires
Réponse acceptée
Mario Malic
le 26 Oct 2020
Modifié(e) : Mario Malic
le 27 Oct 2020
The save command saves your workspace into file called SelectNum, maybe without file format, I can't verify this now.
You can have SelectPath as a property of the application, declare it at the beginning and change the line in the first callback to
app.SelectPath = s.Y(SelectNum).Path;
In the second callback, this should do it.
function ShowButtonPushed(app, event)
app.VariablePathTextArea.Value = app.SelectPath % This updates the text area (white space)
% app.VariableTextLabel.Text = SelectPath % This updates label (description)
end
3 commentaires
Mario Malic
le 27 Oct 2020
Modifié(e) : Mario Malic
le 27 Oct 2020
Correct, I forgot to add the "app." part.
Did you put the correct handle to the component? If you click on the component, you can see its name in component browser. Is the component editable, are you sure you aren't writing in white font? It may sound silly, but these commands should work.
Does below outputs the correct value?
app.VariablePathTextArea.Value
Plus de réponses (0)
Voir également
Catégories
En savoir plus sur Platform and License dans Help Center et File Exchange
Produits
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!