CivicAddress.Unknown Fält
Definition
Viktigt
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Representerar en CivicAddress som inte innehåller några data.
public: static initonly System::Device::Location::CivicAddress ^ Unknown;
public static readonly System.Device.Location.CivicAddress Unknown;
staticval mutable Unknown : System.Device.Location.CivicAddress
Public Shared ReadOnly Unknown As CivicAddress
Fältvärde
Exempel
I följande exempel används IsUnknown för att kontrollera CivicAddress att returneras från ResolveAddress innan den medborgerliga adressen skrivs ut.
static void ResolveAddressSync()
{
GeoCoordinateWatcher watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High);
watcher.MovementThreshold = 1.0; // set to one meter
watcher.TryStart(false, TimeSpan.FromMilliseconds(1000));
CivicAddressResolver resolver = new CivicAddressResolver();
if (!watcher.Position.Location.IsUnknown)
{
CivicAddress address = resolver.ResolveAddress(watcher.Position.Location);
if (!address.IsUnknown)
{
Console.WriteLine("Country: {0}, Zip: {1}",
address.CountryRegion,
address.PostalCode);
}
else
{
Console.WriteLine("Address unknown.");
}
}
}
Public Sub ResolveAddressSync()
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))
Dim resolver As CivicAddressResolver = New CivicAddressResolver()
If started Then
If Not watcher.Position.Location.IsUnknown Then
Dim address As CivicAddress = resolver.ResolveAddress(watcher.Position.Location)
If Not address.IsUnknown Then
Console.WriteLine("Country: {0}, Zip: {1}",
address.CountryRegion,
address.PostalCode)
Else
Console.WriteLine("Address unknown.")
End If
End If
Else
Console.WriteLine("GeoCoordinateWatcher timed out on start.")
End If
End Sub
Kommentarer
Använd IsUnknown för att kontrollera om en CivicAddress innehåller data.