I don't understand when an output parameter should be used, I personally wrap the result in a new type if I need to return more than one type, I find that a lot easier to work with than out.

I have seen method like this, 

   public void Do(int arg1, int arg2, out int result)

are there any cases where that actually makes sense?

how about TryParse, why not return a ParseResult type? or in the newer framework return a null-able type?

c# .net out
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