Microsoft got sloppy too, with the Office 97 applications:
toastytech.com
"Here is something that you don't see every day. Word 97 running under NT 3.51. Have you ever wondered why the controls in Office 97 are so much more sluggish than other applications? Well, here is why: It draws all of the controls itself. This is very obvious when running under NT 3.51, as the native menus are 2-D, and the native window controls do not have the "X" button. While this does give NT 3.51 users a "95ish" experience, it is completely redundant in Windows 95 and NT 4. This also means that if a future Windows has 4-D ray-traced menus or such enhancements, Office 97 will not be able to take advantag