Re: Memory leak in mfc

"Giovanni Dicanio" <>
Tue, 9 Oct 2007 11:12:54 +0200
<> ha scritto nel messaggio

I'm trying to implement a Singleton pattern for my Control class.How
can I delete pinstance to free that memory?


my solution is not the most elegant one, of course, but I would do something
simple like this:


// Control.h

// Your singleton control
class Control


  // Ban copy
  Control( const Control & );
  Control & operator=( const Control & );

// Access the control instance
Control * GetControlInstance();

// Control.cpp
#include "Control.h"

// The singleton instance
// (private to this .cpp module)
static Control theControl;

Control * GetControlInstance()
  return &theControl;


Basically, you make the instance private to a .cpp module (using static
keyword), and you publicly expose a function to get the instance pointer


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