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void GoToStep1(GtkBuilder *pBuildMainWindow, gpointer Data)
{
	GtkWidget *pStepHorizontalBox;
	pStepHorizontalBox = GTK_WIDGET(gtk_builder_get_object(pBuildMainWindow, "hbox2"));
 
	GError *GtkBuildError = NULL;
	GtkBuilder *pBuildStep;
	pBuildStep = gtk_builder_new();
 
	if(pBuildStep)
	{
		if(!gtk_builder_add_from_file(pBuildStep, "ui/Step1.xml", &GtkBuildError))
		{
			if(GtkBuildError)
    		{
      			printf("Error: %s", GtkBuildError -> message);
			}
  		}
	}
 
	/* Declare widgets from GtkBuilder to handle signals */
	GtkWidget *pMainProgressBar;
	pMainProgressBar = GTK_WIDGET(gtk_builder_get_object(pBuildMainWindow, "progressbar1"));
 
	GtkWidget *pMainNextButton;
	pMainNextButton = GTK_WIDGET(gtk_builder_get_object(pBuildMainWindow, "button2"));
	g_signal_connect_swapped(GTK_BUTTON(pMainNextButton), "clicked", G_CALLBACK(Progress10), pMainProgressBar);
 
	GtkWidget *pAboutButton;
	pAboutButton = GTK_WIDGET(gtk_builder_get_object(pBuildMainWindow, "button3"));
	g_signal_connect(GTK_BUTTON(pAboutButton), "clicked", G_CALLBACK(AboutProgram), NULL);
 
	GtkWidget *pSaveAsButton;
	pSaveAsButton = GTK_WIDGET(gtk_builder_get_object(pBuildMainWindow, "button1"));
	gtk_widget_set_sensitive(GTK_WIDGET(pSaveAsButton), FALSE);
 
	/* Show step 1 */
	GtkWidget *pStepFrame;
	pStepFrame = GTK_WIDGET(gtk_builder_get_object(pBuildStep, "frame1"));
	gtk_box_pack_start_defaults(GTK_BOX(pStepHorizontalBox), pStepFrame);
 
	g_signal_connect_swapped(GTK_BUTTON(pMainNextButton), "clicked", G_CALLBACK(GoToStep2Destroy), pBuildMainWindow);
}
 
void GoToStep2Destroy(GtkBuilder *pBuildMainWindow, gpointer Data)
{
 
/* Ici j'ai bien récupéré le GtkWidget pBuildMainWindow, mais comment je détruis un widget enfant? \
 * Sachant que je ne passe qu'un argument, c.a.d. le fenêtre principale du programme. Comment???? */
 
} | 
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