public void Save()
{
List <string> messages = new List <string>();
if (!ValidatorHelper.Validate(Model, messages))
{
MessageBoxService.Show(ValidatorHelper.GetMessage(messages), "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
if (!IsEditing)
{
_context.Screens.Add(Model);
}
_context.SaveChanges();
Close();
}
}