|
public LookupAsync ( string identifier, |
||
| identifier | string | The user-supplied identifier for the contact. |
| cancellationToken | A cancellation token. | |
| return | Task |
|
public override async Task<Endpoint> LookupAsync(string identifier, CancellationToken cancellationToken = default(CancellationToken))
{
Uri entryLocation;
if (!Uri.TryCreate(identifier, UriKind.Absolute, out entryLocation))
{
return null;
}
try
{
var endpoint = await this.DownloadEndpointAsync(entryLocation, cancellationToken).ConfigureAwait(false);
return endpoint;
}
catch (HttpRequestException)
{
return null;
}
catch (BadAddressBookEntryException)
{
return null;
}
}
} internal async Task InvitingMemberAsync(InviteMember inviteWindow) {
var addressBook = new DirectEntryAddressBook(this.CryptoProvider, new HttpClient());
var endpoint = await addressBook.LookupAsync(inviteWindow.PublicEndpointUrlBox.Text);
if (endpoint != null) {
try {
this.AddMember(inviteWindow.FriendlyNameBox.Text, endpoint);
} catch (InvalidOperationException ex) {
MessageBox.Show(ex.Message);
}
}
inviteWindow.Close();
}
