GtkWidget *window; GtkWidget *button; GtkWidget *button_box; window = gtk_application_window_new (app); gtk_window_set_title (GTK_WINDOW (window), "Window"); gtk_window_set_default_size (GTK_WINDOW (window), 200, 200); button_box = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL); gtk_container_add (GTK_CONTAINER (window), button_box); button = gtk_button_new_with_label ("Hello World"); g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL); g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy)
, window); gtk_container_add (GTK_CONTAINER (button_box), button); gtk_widget_show_all (window); } int main (int argc, char **argv) { /* ... */ } h"ps:/ /developer.gnome.org/gtk3/stable/gtk-‐ ge@ng-‐started.html