what exacly (this->) mean?

i am reading a c++ book and i come a long with a chapter thats about the this-> poiter what exactly this pointer does can anyone cleanyl explain to me thx.

it's a pointer to yourself so you can tell other objects where you are.

can you explain this a little bit detailed thx.

It seems like there just HAS to be a FAQ on this. hmmm. Oh well. Here goes.

simplest terms... from any method in a class, "this" means a pointer to the object you are in. You can use it like you would use any pointer. You would most likely use it to leave a link to yourself somewhere. For instance if you wish to hand your pointer over to someone like in a list.

Code:

---

void MyClass::dosomething()
  {
  g_list.AddToList(this);
  }

---

See?

also very useful for overloaded assignment operators, eg

Code:

---

Vector3d& Vector3d::operator = ( const Vector3d& rvalue )
{
        for( int i = 0; i < 3; i++ )
        {
                triple[ i ] = rvalue.triple[ i ];
        }
        return *this;
}

---

let's not confuse the newbie with returning a reference in an overloaded operator.:)