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Question by ina · May 16, 2017 at 11:16 AM · uiarraydropdown

dropdown uses a generic list and not a built-in list -- why?

Why does the ui dropdown us a List instead of a string[] ? It seems the latter is more memory efficient and most cases you already know what the values would be before run time, so the array does not need to change size...

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avatar image Namey5 · May 16, 2017 at 10:03 PM 0
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Well, in some cases you would need to change the size at runtime. Not to mention generic Lists have a fair bit of functionality that arrays do not. I'm assu$$anonymous$$g either the memory difference between the two and their uses in Unity are insignificant, or they need to use Lists for something. I know when I implemented dropdowns in the old UI system, I ended up having to switch to generics (although I can't remember why). I'll see if I can look more into the functionality of the new UI dropdowns.

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