5项专利啊,我x,微软技术真牛x啊
1)System provided child window controls: 专利号5,889,522 2)Remote retrieval and display management of electronic document with incorporated images: 专利号5,778,372 3)Loading status in a hypermedia browser having a limited available display area: 专利号6,339,780 4)Selection handles in editing electronic documents:专利号6,891,551 5)Method and apparatus for capturing and rendering annotations for non-modifiable electronic content: 专利号6,957,233