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#include <stdlib.h>
#include <gtk/gtk.h>
 
struct sImage
{
    GtkWidget *pImage;
    GtkWidget *pSelect;
};
 
typedef struct sImage *Image;
 
void on_pButton_clicked(GtkWidget* widget, gpointer data);
 
int main(int argc, char **argv)
{
  GtkWidget *pWindow;
  GtkWidget *pVBox;
  GtkWidget *pButton;
  GtkWidget *pImage;
 
  Image i;
  i = malloc(sizeof(struct sImage));
 
  gtk_init(&argc, &argv);
 
  /* Creation de la fenetre */
  pWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(pWindow), "3D Cartographe");
  gtk_window_set_default_size(GTK_WINDOW(pWindow), 1024, 768);
  g_signal_connect(G_OBJECT(pWindow), "destroy", G_CALLBACK(gtk_main_quit), NULL);
 
  /* Creation de la GtkVBox */
  pVBox = gtk_vbox_new(FALSE, 0);
  gtk_container_add(GTK_CONTAINER(pWindow), pVBox);
 
 
  /* Creation de l'image */
  pImage = gtk_image_new_from_file(NULL);
  gtk_box_pack_start(GTK_BOX(pVBox),pImage,TRUE,TRUE,1);
  i->pImage = pImage;
 
 
  /* Creation du bouton */
  pButton = gtk_button_new();
  gtk_box_pack_start(GTK_BOX(pVBox),pButton,TRUE,TRUE,0);
  g_signal_connect ((gpointer) pButton, "clicked",
                    G_CALLBACK (on_pButton_clicked),
                    i);
 
  /* Affichage de tous les widget */
  gtk_widget_show_all(pWindow);
 
  gtk_main();
 
  return EXIT_SUCCESS;
}
 
void on_pButton_clicked(GtkWidget* widget, gpointer data)
{
  gtk_image_set_from_file(GTK_IMAGE(data->pImage),"Img1.jpg");
} | 
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