Function pointers??
Author
I''m traying to use a function pointer who points to the class fonctions.
This is a first example of code that works(without casses):
void draw2()
{
return;
}
void (*cur_function2)() = draw2;
and this is a second part that desent work. Why not? Will it ever work?
CConsole console; //class
void Cconsole::draw()
{
return;
}
void (*cur_function)() = console.draw; //err -> ''initializing'' : cannot convert from '''' to ''void (__cdecl *)(void)''
Thanks.
If you want a function pointer to a class member, this is the syntax:
(You might not need the & on console.draw.)
class CConsole{ ... public: void draw() { ... }};CConsole console;void (CConsole::*ptr)() = &console.draw (You might not need the & on console.draw.)
you could also make the class function a friend like
class someclass{
friend somefunction();
};
someclass::somefunction(){
}
then you can make a function pointer to it I belive, but the post above does it better
Im Always Bored
--Bordem
ICQ: 76947930
class someclass{
friend somefunction();
};
someclass::somefunction(){
}
then you can make a function pointer to it I belive, but the post above does it better
Im Always Bored
--Bordem
ICQ: 76947930
See C++ converts the member functions into function pointers internally with the first parameter as the pointer to the class itself. You will understand this concept if u try to understand programming DirectX in C and C++ (differenc). In C u use the lpvtbl array.
For the problem the above solutions are fine.
For the problem the above solutions are fine.
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