I suspect http://msdn.microsoft.com/en-us/library/y13tek7e(VS.80).aspx

private arrDayofYear as Decimal() = new Decimal(366)

>Thank You Tomas and Michael.
>
>I was thinking in declare a variable as array this way
>
>

>
>Private arrDayofYear as Array
>

>
>But how you declare the number of values let say 366.