/// <summary>
/// Shows a dialog that presents the user with a message and a text box
/// </summary>
/// <param name="options">the options used to configure the dialog</param>
/// <returns>a promise that resolves with the value of the text box at the time of dismissal. This promise never rejects.</returns>
public static Promise <ConsoleString> ShowRichTextInput(RichTextDialogOptions options)
{
var d = Deferred <ConsoleString> .Create();
var rawPromise = new Dialog(options).Show();
rawPromise.Then(() => d.Resolve(options.TextBox.Value));
return(d.Promise);
}
/// <summary>
/// Shows a dialog that presents the user with a message and a text box
/// </summary>
/// <param name="options">the options used to configure the dialog</param>
/// <returns>a Task that resolves with the value of the text box at the time of dismissal. This Task never rejects.</returns>
public static Task <ConsoleString> ShowRichTextInput(RichTextDialogOptions options)
{
var d = new TaskCompletionSource <ConsoleString>();
var dialog = new Dialog(options);
var rawTask = dialog.Show();
rawTask.Then(() => d.SetResult(dialog.WasEscapeUsedToClose ? null : options.TextBox.Value));
return(d.Task);
}