// TEST KEY BUTTON
private void button2_Click(object sender, EventArgs e)
{
btnTestApi.BackColor = button1.BackColor; // clear color to default
timelineentry te = new timelineentry();
te.Place = "1600 Pennsylvania Avenue, Washington D.C";
te.Name = "President Lincoln";
if (GetGeoCode2(ref te))
{
btnTestApi.BackColor = Color.Lime;
toolTip1.SetToolTip(btnTestApi, "Google Maps API Key is Valid");
}
else
{
btnTestApi.BackColor = Color.Red;
toolTip1.SetToolTip(btnTestApi, "Invalid API Key");
}
}
// GETGEOCODE2
// CALL WITH: a timelineemtry class object
// RETURNS: fills in geocode relevant fields using callobject.Place
private bool GetGeoCode2(ref timelineentry te)
{
byte[] buffer = new byte[2048];
const string ADDRESS_FIELD = "formatted_address";
const string LOCATION_FIELD = "location";
string httprequest = String.Empty;
httprequest = FormatGeoCodeRequest(te.Place);
using (WebClient client = new WebClient())
{
client.Headers["User-Agent"] =
"Mozilla/4.0 (Compatible; Windows NT 5.1; MSIE 6.0) " +
"(compatible; MSIE 6.0; Windows NT 5.1; " +
".NET CLR 1.1.4322; .NET CLR 2.0.50727)";
bool result = true;
string result2 = String.Empty;
// Download data.
try
{
buffer = client.DownloadData(httprequest);
}
catch (Exception ex)
{
sfeht.GeneralExceptionHandler("Http Request failed", "(10) - Test API Key", false, ex);
result = false;
}
finally
{
client.Dispose();
}
if (result)
{
foreach (byte b in buffer)
{
result2 += (Char)b;
}
string[] parsedresult = result2.Split('"');
te.Status = parsedresult[parsedresult.Length - 2]; // get status code
int x = 0;
// EXTRACT FORMATTED ADDRESS
for (x = 0; x < parsedresult.Length; x++)
{
if (parsedresult[x] == ADDRESS_FIELD)
{
te.FormattedAddress = parsedresult[x + 2];
te.Latitude = parsedresult[x + 5];
te.Longitude = parsedresult[x + 6];
break;
}
}
// EXTRACT LATITUDE AND LONGITUDE
for (x = 0; x < parsedresult.Length; x++)
{
if (parsedresult[x] == LOCATION_FIELD)
{
te.Latitude = parsedresult[x + 3].Substring(2, 10);
te.Longitude = parsedresult[x + 5].Substring(2, 10);
break;
}
}
return(true);
}
return(false);
}
}
