to call member function

How to call a member function from another class without creating an object ?

You cannot call member function without an object. What if inside the method this pointer is used ? You can call only public static methods without objects.

then how can we call it with an object. can you give me an ex:

Seriously? This is extremely basic C++, knowledge of which is required to use Qt.

ok, some very very basic c++ beginner code:

Code:

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CObject myObject;
myObject.myMemberMethod();

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Come on, I can't imagine someone to dig into Qt without such knowledge, this is ... simply impossible...