(VB.NET UWP/WinRT) ipstack.com IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipstack.com REST API.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http

' Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
Dim jsonStr As String = Await http.QuickGetStrAsync("http://api.ipstack.com/149.250.207.170?access_key=YOUR_ACCESS_KEY")
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.EmitCompact = False
Dim success As Boolean = json.Load(jsonStr)

Debug.WriteLine(json.Emit())

' Sample output:
' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

' {
'   "ip": "149.250.207.170",
'   "type": "ipv4",
'   "continent_code": "EU",
'   "continent_name": "Europe",
'   "country_code": "DE",
'   "country_name": "Germany",
'   "region_code": null,
'   "region_name": null,
'   "city": null,
'   "zip": null,
'   "latitude": 51.2993,
'   "longitude": 9.491,
'   "location": {
'     "geoname_id": null,
'     "capital": "Berlin",
'     "languages": [
'       {
'         "code": "de",
'         "name": "German",
'         "native": "Deutsch"
'       }
'     ],
'     "country_flag": "http:\/\/assets.ipstack.com\/flags\/de.svg",
'     "country_flag_emoji": "\ud83c\udde9\ud83c\uddea",
'     "country_flag_emoji_unicode": "U+1F1E9 U+1F1EA",
'     "calling_code": "49",
'     "is_eu": true
'   }
' }

Dim ip As String
Dim v_type As String
Dim continent_code As String
Dim continent_name As String
Dim country_code As String
Dim country_name As String
Dim region_code As String
Dim region_name As String
Dim city As String
Dim zip As String
Dim latitude As String
Dim longitude As String
Dim locationGeoname_id As String
Dim locationCapital As String
Dim locationCountry_flag As String
Dim locationCountry_flag_emoji As String
Dim locationCountry_flag_emoji_unicode As String
Dim locationCalling_code As String
Dim locationIs_eu As Boolean
Dim i As Integer
Dim count_i As Integer
Dim code As String
Dim name As String
Dim native As String

ip = json.StringOf("ip")
v_type = json.StringOf("type")
continent_code = json.StringOf("continent_code")
continent_name = json.StringOf("continent_name")
country_code = json.StringOf("country_code")
country_name = json.StringOf("country_name")
region_code = json.StringOf("region_code")
region_name = json.StringOf("region_name")
city = json.StringOf("city")
zip = json.StringOf("zip")
latitude = json.StringOf("latitude")
longitude = json.StringOf("longitude")
locationGeoname_id = json.StringOf("location.geoname_id")
locationCapital = json.StringOf("location.capital")
locationCountry_flag = json.StringOf("location.country_flag")
locationCountry_flag_emoji = json.StringOf("location.country_flag_emoji")
locationCountry_flag_emoji_unicode = json.StringOf("location.country_flag_emoji_unicode")
locationCalling_code = json.StringOf("location.calling_code")
locationIs_eu = json.BoolOf("location.is_eu")
i = 0
count_i = json.SizeOfArray("location.languages")
While i < count_i
    json.I = i
    code = json.StringOf("location.languages[i].code")
    name = json.StringOf("location.languages[i].name")
    native = json.StringOf("location.languages[i].native")
    i = i + 1
End While