private void LoginCanceled(object sender, EventArgs e)
{
// Remove the login UI.
_loginUI.Hide();
_loginUI = null;
// Cancel the task completion source task.
_loginTaskCompletionSrc.TrySetCanceled();
}
private void ShowLoginUI()
{
// Create a view to show login controls over the map view.
var ovBounds = _myMapView.Bounds;
_loginUI = new LoginOverlay(ovBounds, 0.65f, UIColor.DarkGray);
// Handle the login event to get the login entered by the user.
_loginUI.OnLoginInfoEntered += LoginEntered;
// Handle the cancel event when the user closes the dialog without entering a login.
_loginUI.OnCanceled += LoginCanceled;
// Add the login UI view (will display semi-transparent over the map view).
View.Add(_loginUI);
}
// Handle the OnLoginEntered event from the login UI, LoginEventArgs contains the username, password, and domain that were entered
private void LoginEntered(object sender, LoginEventArgs e)
{
// Make sure the task completion source has all the information needed.
if (_loginTaskCompletionSrc == null ||
_loginTaskCompletionSrc.Task == null ||
_loginTaskCompletionSrc.Task.AsyncState == null)
{
return;
}
try
{
// Get the associated CredentialRequestInfo (will need the URI of the service being accessed).
CredentialRequestInfo requestInfo = _loginTaskCompletionSrc.Task.AsyncState as CredentialRequestInfo;
// Create a new network credential using the values entered by the user.
var netCred = new System.Net.NetworkCredential(e.Username, e.Password, e.Domain);
// Create a new ArcGIS network credential to hold the network credential and service URI.
var arcgisCred = new ArcGISNetworkCredential
{
Credentials = netCred,
ServiceUri = requestInfo.ServiceUri
};
// Set the task completion source result with the ArcGIS network credential.
// AuthenticationManager is waiting for this result and will add it to its Credentials collection.
_loginTaskCompletionSrc.TrySetResult(arcgisCred);
}
catch (Exception ex)
{
// Unable to create credential, set the exception on the task completion source.
_loginTaskCompletionSrc.TrySetException(ex);
}
finally
{
// Get rid of the login controls.
_loginUI.Hide();
_loginUI = null;
}
}
