gtk/glarea.go
func (v *GLArea) GetRequiredVersion() (MajorVersion, MinorVersion) {
	var major, minor int
	C.gtk_gl_area_get_required_version(v.native(),
		(*C.int)(unsafe.Pointer(&major)), (*C.int)(unsafe.Pointer(&minor)))

	return MajorVersion(major), MinorVersion(minor)
}
func (v *GLArea) GetRequiredVersion() (MajorVersion, MinorVersion) {
	var major, minor int
	C.gtk_gl_area_get_required_version(v.native(),
		(*C.int)(unsafe.Pointer(&major)), (*C.int)(unsafe.Pointer(&minor)))

	return MajorVersion(major), MinorVersion(minor)
}
// GetRequiredVersion is a wrapper around gtk_gl_area_get_required_version().