Access variables of other classes

[Diath]

What about moving variables from private to public? :P

[przemek]

I tried, without results

[Lykurg]

Use getter and setter methods. Also search the forum, there are hundreds post of that topic.

[przemek]

Thanks Lykurg, but I have question. Is it alone way to use getter and setter methods? Is not possible to access variable without extra methods?

[Zlatomir]

That is the reason why you declared your variables with "private" access specifier, so they can't be accessed/modified directly, only by their "public" getter/setter functions.

LE: also notice that: Setts::set_ui->SB1->setValue(1); //most likely you tried that before constructing the actual object, set_ui is only a pointer... you construct your UI object in your class constructor... something like... set_ui = new UI_Class_Name(most likely 'this' as a parent); only after that you can do "stuff" to the UI pointer.

When you use pointers you <need to> have two(2) objects, the pointer and the actual object that is "pointed to".

[Zlatomir]

Sorry for double post... I edited (corrected) the last one a little bit, and a little advice

Most likely, the setter functions you will want(need) to declare as slots, so that you can connect (other objects) signals to them.

[tbscope]

You can also use events or signals and slots.

[Zlatomir]

I attached the sample project (as i promised )

I used signals and slots and created some signals and slots for keeping the ui pointers private (you can do that, or you can inherit from both the ui_generated class and QDialog, QMainWindow or QWidget) i like (and use most) the private pointer member and code what signals and slots i need.VariablesUpdate.zip