for (size_t i = 1; i < myVector.size(); i+=2) {
    auto X1 = myVector[i - 1].first;
    auto Y1 = myVector[i - 1].second;
    auto X2 = myVector[i].first;
    auto Y2 = myVector[i].second;
    //DrawLine(X1,Y1,X2,Y2);
}