//</SNIPPET8>
//<SNIPPET9>
public void AddDivMessage()
{
Uri currentUri = new Uri(webBrowser1.Url.ToString());
String hostName = null;
// Ensure we have a host name, and not just an IP, against which to test.
if (!(currentUri.HostNameType == UriHostNameType.Dns))
{
DnsPermission permit = new DnsPermission(System.Security.Permissions.PermissionState.Unrestricted);
permit.Assert();
IPHostEntry hostEntry = System.Net.Dns.GetHostEntry(currentUri.Host);
hostName = hostEntry.HostName;
}
else
{
hostName = currentUri.Host;
}
if (!hostName.Contains("adatum.com"))
{
AddTopPageMessage("You are viewing a web site other than ADatum.com. " +
"Please exercise caution, and ensure your Web surfing complies with all " +
"corporate regulations as laid out in the company handbook.");
}
}