Why should I specify the keyword "out" in C #?

Question

Before asking your question, please take a look at this function:

DateTime.TryParse("01/01/2000", out oDate)

Why specify a keyword out? Doesn't the compiler know about this from the function definition?

I ask for this out of sheer curiosity in the hope that I will learn something new about the compiler.

I should also clarify what I'm asking about the C # .NET 3.5 compiler in particular.

Answer 1

The out keyword may be implied by the compiler, but I understand that the C # team decided to make the keyword outexplicitly required by the calling function to increase visibility regarding the nature of the parameter.

Answer 2

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Answer 5

http://msdn.microsoft.com/en-us/library/t3c3bfhx(VS.80).aspx

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