Does the prayer of one who sees his 'awrah (part of the body that must be covered) during prayer become invalid?

Question:
If one sees his 'awrah (part of the body that must be covered) during prayer, does his prayer become invalid?

Answer:
No, it does not become invalid, but he should take care of it, by fastening the button of the garment, or making the pocket smaller, or wrapping something over it so that he does not see his 'awrah (part of the body that must be covered), or by wearing trousers or a lower garment under the robe, meaning he is not considered one whose 'awrah (part of the body that must be covered) is exposed.