func (v *Window) SetRole(s string) {
	cstr := (*C.gchar)(C.CString(s))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_window_set_role(v.native(), cstr)
}
func (v *Window) SetRole(s string) {
	cstr := (*C.gchar)(C.CString(s))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_window_set_role(v.native(), cstr)
}
// SetRole is a wrapper around gtk_window_set_role().