gdk/screen.go
func (v *Screen) SetResolution(r float64) {
	C.gdk_screen_set_resolution(v.native(), C.gdouble(r))
}
func (v *Screen) SetResolution(r float64) {
	C.gdk_screen_set_resolution(v.native(), C.gdouble(r))
}
// SetResolution is a wrapper around gdk_screen_set_resolution().