Gets the widget that is currenty set as the image of @button. This may have been explicitly set by gtk_button_set_image() or constructed by gtk_button_new_from_stock().
a #GtkWidget or %NULL in case there is no image
2.6
See Implementation
Gets the widget that is currenty set as the image of @button. This may have been explicitly set by gtk_button_set_image() or constructed by gtk_button_new_from_stock().