private async Task RunProgramLogic()
{
while (true)
{
BiblioVM vm = new BiblioVM();
displayRoot.ShowView(vm);
await Task.Delay(TimeSpan.FromSeconds(2));
while (true)
{
await Task.Delay(TimeSpan.FromSeconds(2));
if (vm.DialogResult != null)
{
break;
}
}
displayRoot.HideView(vm);
break;
}
}