how to take Address of a Member Function in C++

[lovetopravin]

I want to take address of a member function in c++.
how to do this.
please suggest me as soon as possible.

[Banfa]

Something like this

class Example
{
public:
  int function(double);
}
 
int main()
{
  // Declare memFunPtr, pointer to a member function
  int (Example::*memFunPtr)(double) = &Example::function;
 
  // Use the member function pointer
 
  int result;
  double input = 5.0;
  Example e;
 
  result = (e.*memFunPtr)(input);
}
 

To avoid syntax errors it is a good idea to typedef your member function pointer type

class Example
  typedef int (Example::*MemFunPtr_t)(double);
 
  MemFunPtr_t memFunPtr2 = &Example::function;
 

[lovetopravin]

sir actually i havn't got your point.
So please explain in detail.
Suppose A is a class and Display is a Member function of class A. if i want to see the address of Display member function then why i can't write like below code.

A obj;
cout<<&obj.Display();    
 
 
 

why it gives error.