/// <summary>
/// Called when the dialog is started and pushed onto the dialog stack.
/// </summary>
/// <param name="dc">The <see cref="DialogContext"/> for the current turn of conversation.</param>
/// <param name="options">Optional, initial information to pass to the dialog.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public override async Task <DialogTurnResult> BeginDialogAsync(DialogContext dc, object options = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (options is CancellationToken)
{
throw new ArgumentException($"{nameof(options)} cannot be a cancellation token");
}
if (Disabled != null && Disabled.GetValue(dc.State))
{
return(await dc.EndDialogAsync(cancellationToken : cancellationToken).ConfigureAwait(false));
}
await SignOutUserAsync(dc.Context, ConnectionName?.GetValue(dc.State), UserId?.GetValue(dc.State), cancellationToken).ConfigureAwait(false);
return(await dc.EndDialogAsync(cancellationToken : cancellationToken).ConfigureAwait(false));
}
private void UserId_GotFocus(object sender, RoutedEventArgs e)
{
if (hasFullTextBeenRead)
{
UserId.SetValue(AutomationProperties.NameProperty, userIdNameProperty);
}
else
{
userIdNameProperty = UserId.GetValue(AutomationProperties.NameProperty);
UserId.SetValue(AutomationProperties.NameProperty,
// Add a period so Narrator pauses after reading the logo name.
FrameworkElementAutomationPeer.FromElement(Logo)?.GetName() + ". " +
FrameworkElementAutomationPeer.FromElement(WelcomeTo)?.GetName() + " " +
// Add a period so Narrator pauses after reading the service name.
FrameworkElementAutomationPeer.FromElement(ServiceName)?.GetName() + ". " +
// Add a period so Narrator pauses after reading the footer.
FrameworkElementAutomationPeer.FromElement(Footer)?.GetName() + ". " +
FrameworkElementAutomationPeer.FromElement(UserId)?.GetName());
hasFullTextBeenRead = true;
}
}