public bool ParseEvent(Event evnt)
{
   if (evnt.Type == EventType.Mouse)
   {
      if (evnt.Mouse.IsLeftPressed())
      {
         pressed = true;
         Environment.PostEvent(new Event(GUIEventType.ButtonClicked, this));
      }
      else
         pressed = false;
   }

   return true;
}

#include <irrlicht.h>
#include <iostream>

using namespace irr;
using namespace video;
using namespace gui;

#pragma comment(lib, "irrlicht.lib")

class receiver : public IEventReceiver
{
public:

   receiver()
   {
   }

   virtual bool OnEvent(const SEvent &event)
   {
      if(event.EventType == EET_GUI_EVENT)
      {
         std::cout << event.GUIEvent.EventType << "\n";
         return false;
      }

      return true;
   }
};

void main(void)
{
   IrrlichtDevice *device = createDevice(EDT_DIRECT3D9);
   device->setEventReceiver(new receiver());

   while(device->run())
   {
      device->getVideoDriver()->beginScene();

      SEvent event;
      event.EventType = EET_GUI_EVENT;
      event.GUIEvent.EventType = EGUI_EVENT_TYPE::EGET_BUTTON_CLICKED;
      event.GUIEvent.Caller = event.GUIEvent.Element = 0;

      device->getGUIEnvironment()->postEventFromUser(event);

      device->getVideoDriver()->endScene();
   }
}