app designer switch problem

7 次查看（过去 30 天）
Dick
Dick 2024-3-27
评论： Dick 2024-3-27
Hello community!
I want to use a switch to control the UI theme, like light mode and dark mode. But I can only switch it once, the second time I click, no response. Here are the codes:
% Value changed function: Switch2
function Switch2ValueChanged(app, event)
value = app.Switch2.Value;
if value
app.UIFigure.Color = [0.5, 0.5, 0.5];
else
app.UIFigure.Color = [1, 1, 1];
end
end
related photos, before I click:
after I click:
However, it can only work once. Can you help me, please?

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采纳的回答

Kojiro Saito
Kojiro Saito 2024-3-27
Items property of app.Switch2 is 'On' and 'Off' in this app, so you need to change the if condition to value == "On".
function Switch2ValueChanged(app, event)
value = app.Switch2.Value;
if value == "On"
app.UIFigure.Color = [0.5, 0.5, 0.5];
else
app.UIFigure.Color = [1, 1, 1];
end
end

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