為什麼Microsoft Word的窗口類名叫做OpusApp？有什麼特殊含義嗎？
據我所知，從MS-Word 4.0開始到現在的2016都是這樣子的
別的例如ppt之類的則很普通（PPTFrameClass）。
一開始叫這個名字可能是當年的code name，誰知道呢。但是為什麼不改？因為這是FindWindow的一個參數，大家經常用來找word的窗口，改了這些軟體不就完蛋了嗎（逃
因為 Word 1 的 codename 叫 Opus
Opus是一隻大鼻子企鵝的名字，Word開發團隊的吉祥物，遂用之作類名。
Opus the Penguin是80年代非常出名的系列連載漫畫里的一個形象。
"a work, composition," especially a musical one, 1809, from Latin opus "a work, labor, exertion" (source of Italian opera, French oeuvre, Spanish obra), from PIE root *op- (1) "to work, produce in abundance" (Germanic *ob-) "to work, produce in abundance," originally of agriculture later extended to religious acts (cognates: Sanskrit apas- "work, religious act;" Avestan hvapah- "good deed;" Old High German uoben "to start work, to practice, to honor;" German üben "to exercise, practice;" Dutch oefenen, Old Norse ?fa, Danish ?ve "to exercise, practice;" Old English ?fnan "to perform, work, do," afol "power"). The plural, seldom used as such, is opera.
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