public void SaveDocumentAs()
{
if (_document.Fractals.Count == 0)
{
return;
}
string filePath;
bool ok = _mainView.AskForFilePathToSave(out filePath);
if (ok)
{
try
{
_document.Save(filePath);
}
catch (Exception e)
{
_mainView.ShowMessageBox(e.Message);
}
}
}