Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

2022 11 1
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更新时间：2022 11 1
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if ispc && isequal(get(hObject,'BackgroundColor')
Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.
get(0,'defaultUicontrolBackgroundColor'));
set(hObject,'BackgroundColor','white');
end

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John D'Errico
John D'Errico 2022-11-1

0 个投票

When you open a door, you must then close it, else MATLAB will not be happy. Look carefully at the line in question. After all, MATLAB flagged it.
if ispc && isequal(get(hObject,'BackgroundColor')
Count the number of open parens. I see TWO of them.
Next, count the number of close parens. I see only ONE.
Finally, re-read the error message.

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