Date formatting issue

I've Googled and MSDNed to no avail. All I want is to display, in a
concatenated expression with other text, say today's date as 2008-03-14,
regardless of the Windows local settings (I want to hard code the date
format). If all I had in a textbox were a date, I would use the Format
property and set it to yyyy-MM-dd. But I want an VB.NET function that will
take a date value as a parameter (and I suppose a second parameter like
"yyyy-MM-dd") and return 2008-03-14. Pretty simple, huh?
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Thank you,
Alain Quesnel
alainsansspam@.logiquel.com
www.logiquel.comFormat(Date,"yyyy-mm-dd")