ICivicAddressResolver.ResolveAddressAsync(GeoCoordinate) Metode
Definisi
Penting
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Memulai permintaan untuk menyelesaikan lokasi lintang/bujur ke alamat.
public:
void ResolveAddressAsync(System::Device::Location::GeoCoordinate ^ coordinate);
public void ResolveAddressAsync (System.Device.Location.GeoCoordinate coordinate);
abstract member ResolveAddressAsync : System.Device.Location.GeoCoordinate -> unit
Public Sub ResolveAddressAsync (coordinate As GeoCoordinate)
Parameter
- coordinate
- GeoCoordinate
Lokasi garis lintang/bujur untuk diselesaikan ke alamat.
Contoh
Contoh berikut menunjukkan cara memanggil ResolveAddressAsync.
static void ResolveAddressAsync()
{
GeoCoordinateWatcher watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High);
bool started = false;
watcher.MovementThreshold = 1.0; // set to one meter
started = watcher.TryStart(false, TimeSpan.FromMilliseconds(1000));
if (started)
{
CivicAddressResolver resolver = new CivicAddressResolver();
resolver.ResolveAddressCompleted += new EventHandler<ResolveAddressCompletedEventArgs>(resolver_ResolveAddressCompleted);
if (watcher.Position.Location.IsUnknown == false)
{
resolver.ResolveAddressAsync(watcher.Position.Location);
}
}
}
static void resolver_ResolveAddressCompleted(object sender, ResolveAddressCompletedEventArgs e)
{
if (!e.Address.IsUnknown)
{
Console.WriteLine("Country: {0}, Zip: {1}",
e.Address.CountryRegion,
e.Address.PostalCode);
}
else
{
Console.WriteLine("Unknown address.");
}
}
Public Sub ResolveCivicAddressAsync()
Dim watcher As GeoCoordinateWatcher
watcher = New System.Device.Location.GeoCoordinateWatcher(GeoPositionAccuracy.High)
Dim started As Boolean = False
watcher.MovementThreshold = 1.0 'set to one meter
started = watcher.TryStart(False, TimeSpan.FromMilliseconds(1000))
If started Then
Dim resolver As CivicAddressResolver = New CivicAddressResolver()
AddHandler resolver.ResolveAddressCompleted, AddressOf resolver_ResolveAddressCompleted
If Not watcher.Position.Location.IsUnknown Then
resolver.ResolveAddressAsync(watcher.Position.Location)
End If
End If
watcher.Start()
End Sub
Sub resolver_ResolveAddressCompleted(ByVal sender As Object, ByVal e As ResolveAddressCompletedEventArgs)
If Not e.Address.IsUnknown Then
Console.WriteLine("Country: {0}, Zip: {1}",
e.Address.CountryRegion,
e.Address.PostalCode)
Else
Console.WriteLine("Unknown address.")
End If
End Sub
Keterangan
Metode ini disimpan dalam tugas yang menampilkan semua pengecualian non-penggunaan yang dapat dilemparkan oleh rekan sinkron metode. Jika pengecualian disimpan ke dalam tugas yang dikembalikan, pengecualian tersebut akan dilemparkan saat tugas ditunggu. Pengecualian penggunaan, seperti ArgumentException, masih dilemparkan secara sinkron. Untuk pengecualian yang disimpan, lihat pengecualian yang dilemparkan oleh ResolveAddress(GeoCoordinate).