Public Function Str(ByVal Expression As Variant) As String
Converts a value to a string using the invariant culture (dates using 'yyyy-MM-dd HH:mm:ss', numbers using a decimal dot).
SendDebug Str(Now) 'Prints the local date time in yyyy-MM-dd HH:mm:ss format
SendDebug Str(Pi) 'Prints '3.141592653589793'
SendDebug Str(1 = 2) 'Prints 'False'
SendDebug Str(Null) 'Prints '' (empty string)