Public Function IsLongLong(ByVal Expression As Variant) As Boolean
Returns True if the specified variable/expression is of type LongLong.
Dim lVariant As Variant
lVariant = 100
SendDebug IsLongLong(lVariant) ' Sends out False, lVariant is a 'normal' Long (32 bit)
lVariant = 6256365874
SendDebug IsLongLong(lVariant) ' Sends out True: The value is above the range of a 'normal' Long