What will happen if re-implementing non-virtual functions?

for example if i re-implement

Code:

---

QPushButton: : setText(const QString &)

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in subclass of QPushButton like this, what will happen?

Code:

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void MyPushButton::setText(const QString &text)
{
   QPushButton::setText(text);
   //do sth. i would like
   {
         .....
    }
}

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go ahead and do whatever u want..QT is C++ after all....

I'm also new in c++. Thank you!

Read about function overloading and overriding in classes in c++ , you will get your answer