how to change backgroup color, button color and shape?

[AD]

Hello!
I don't find this parts of code but i can to prompt how to change style(for example background-color of buttons)!

QString color = Qt::red;
QString style = "* { background-color: ";
style += color;
style += " }";
QButton btnColor = new QButton(this);
btnColor -> setStyleSheet(style);

QString color = Qt::red;
QString style = "* { background-color: ";
style += color;
style += " }";
QButton btnColor = new QButton(this);
btnColor -> setStyleSheet(style);

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This method is used for changing other styles so as

P.S. Sorry by my bad english! I'll be one's utmost to learn english better!

[lzha022]

Hi,
Thank you for the reply.
I am afraid your post does not apply to my situation.
All i know from the previous designer is that this file controls all the interface thing.

By the way, your english is not bad. And my English is not good either.