/// <summary>
/// Log a signed-in user out.
/// </summary>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public async Task LogoutAsync()
{
var cargs = new CancelEventArgs();
LogoutInitiated?.Invoke(this, cargs);
if (cargs.Cancel)
{
return;
}
if (UserDetails != null)
{
UserDetails = null;
}
else
{
return; // No-op
}
var provider = ProviderManager.Instance.GlobalProvider;
if (provider != null)
{
await provider.LogoutAsync();
LogoutCompleted?.Invoke(this, new EventArgs());
}
// Close Menu
if (FlyoutBase.GetAttachedFlyout(_loginButton) is FlyoutBase flyout)
{
flyout.Hide();
}
}
public void LogoutFinished(IAsyncResult ar)
{
var result = (AsyncResult)ar;
var logout = (Func <string>)result.AsyncDelegate;
string error = logout.EndInvoke(ar);
LogoutCompleted?.Invoke(error);
}