/// <summary>
/// Shows a dialog with a message and a set of options for the user to choose from
/// </summary>
/// <param name="options">the options used to configure the dialog</param>
/// <returns>a promise that resolves with the selected option or null if the dialog was cancelled. The promise never rejects.</returns>
public static Promise <DialogOption> ShowMessage(DialogButtonOptions options)
{
var d = Deferred <DialogOption> .Create();
var rawPromise = new Dialog(options).Show();
rawPromise.Then(() => d.Resolve(options.SelectedOption));
return(d.Promise);
}
/// <summary>
/// Shows a dialog with a message and a set of options for the user to choose from
/// </summary>
/// <param name="options">the options used to configure the dialog</param>
/// <returns>a Task that resolves with the selected option or null if the dialog was cancelled. The Task never rejects.</returns>
public static Task <DialogOption> ShowMessage(DialogButtonOptions options)
{
var d = new TaskCompletionSource <DialogOption>();
var dialog = new Dialog(options);
var rawTask = dialog.Show();
rawTask.Then(() => d.SetResult(dialog.WasEscapeUsedToClose ? null : options.SelectedOption));
return(d.Task);
}