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How to declare a function parameter to be optional?

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Hello All

Is there a way to ensure that one of the function argument is set as 
optional. So that it is not mandatory for the caller to pass that 
parameter and yet if necessary can be used?

I do remember that it is possible, but I can't seem to find that 
information. Any guidance will be of great help.

Thanks & Regards
Pushkar Prasad
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How to declare a function parameter to be optional? Pushkar Prasad <pushkar.prasad@live.com> - 2011-02-07 22:58 -0600

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