FLTK сменить иконку окна

win->icon((const void*)LoadIcon(fl_display, MAKEINTRESOURCE("D:\\favicon.ico")));

#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
#include <FL/x.H>
#include "resource.h"
 
int main (int argc, char ** argv)
{
  Fl_Window *window;
  Fl_Box *box;
 
  window = new Fl_Window (300, 180);
  window->icon((const void *)LoadIcon(fl_display, MAKEINTRESOURCE(IDI_ICON)));
 
  box = new Fl_Box (20, 40, 260, 100, "Hello World!");
 
  box->box (FL_UP_BOX);
  box->labelsize (36);
  box->labelfont (FL_BOLD+FL_ITALIC);
  box->labeltype (FL_SHADOW_LABEL);
  window->end ();
  window->show (argc, argv);
 
  return(Fl::run());
}

win->icon((const void*)LoadIcon(fl_display, MAKEINTRESOURCE(IDI_ICON)));

#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Choice.H>
#include <FL/x.H>
#include "resource.h"
 
static Fl_Double_Window* win;
 
void cb_choice(Fl_Widget*, void* v)
{
    SendMessage(fl_xid(win), WM_SETICON, (WPARAM)ICON_SMALL, (LPARAM)LoadIcon(fl_display, MAKEINTRESOURCE((fl_intptr_t)v)));
}
Fl_Menu_Item choices[] =
{
    {"Red", 0, cb_choice, (void*)IDI_ICON1},
    {"Green", 0, cb_choice, (void*)IDI_ICON2},
    {"Blue", 0, cb_choice, (void*)IDI_ICON3},
    {0}
};
 
int main(int argc, char** argv)
{
    Fl_Double_Window window(400, 300);
    win = &window;
 
    Fl_Choice choice(80, 100, 200, 25, "Color:");
    choice.menu(choices);
    choice.callback(cb_choice);
    choice.when(FL_WHEN_RELEASE | FL_WHEN_NOT_CHANGED);
 
 
    window.end();
    window.show(argc, argv);
    return Fl::run();
}

Fl_Image* data = new Fl_JPEG_Image("name_file"); 
uchar array = data->array();

#include <FL/Fl_BMP_Image.H>
...
Fl_BMP_Image bm("pict.bmp");
win->icon(&bm);

Fl_Image* data = new Fl_JPEG_Image("name_file");
Fl_RGB_Image* img = new Fl_RGB_Image(reinterpret_cast<const uchar*>(data->data()[0]),  data->w(), data->h());

Fl_RGB_Image* img = new Fl_JPEG_Image("name_file");