The HostAlias property array returns the aliases assigned
to the host specified by the HostAddress or HostName
properties. If the host address or name can be resolved, the first
element in the HostAlias array (an index value of 0) always
refers to the host's fully qualified domain name. The end of the
alias list is indicated when the property returns an empty
string.
When using Visual Studio .NET, you must use the accessor method
get_HostAlias instead of the property name, otherwise an error
will be returned indicating that it not a member of the control
class.