why the painted Button can‘t show

[insert]

I painting the Button，it is able to show on the widget, but when I do this like that
MyButton s; s.show(); it doesn't work. the error says
void QWidget::show() is inaccessible
within this context

[high_flyer]

We can't tell with out the code.

[insert]

what you meaning

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Added after 6 minutes:

painted Button from http://www.qtcentre.org/wiki/index.php?title=AeroButton
Button show in this way
Button s;
s.show();
don't work
but
use this method
QPushButton btn;
btn.show();
it works. why?

[Zlatomir]

One possible reason is that you inherit private from QPushButton, check the line:

class AeroButton : public QPushButton //make sure you didn't forgot 'public'

class AeroButton : public QPushButton //make sure you didn't forgot 'public'

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LE: Why did you posted the topic in here, next time post technical issues in NewBie or Programming if is Qt related topic, or General Programming if is' general C++ topic, you get answers faster because many more people see your question.

[insert]

thanks, but it's not really effectively. maybe some else mistake.

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Added after 4 minutes:

sorry, it works. you say is correct! thank you !