public int?AskInteger(string question, int defaultValue)
{
return(QueueAction <int?>(() =>
{
var dlg = new InputDlg("Question", question,
defaultValue.ToString(
CultureInfo.InvariantCulture));
int result = dlg.GetPositiveInt();
return dlg.DialogResult.GetValueOrDefault() ? result : (int?)null;
}));
}
