Checks whether the given vendor ID string is valid. A valid vendor ID string: 1. Has a length of at least 4 characters and no more than 253 characters, and 2. Contains only letters, digits, or any of the following special characters: ! " # & \ ( ) + , . - : ; < = > ? _ ` | ~

public static bool VendorIdIsValid(
	string vendorId
)

Public Shared Function VendorIdIsValid ( _
	vendorId As String _
) As Boolean

public:
static bool VendorIdIsValid(
	String^ vendorId
)