public void OpenDocument()
{
if (_document.IsDirty)
{
DialogResult result = _mainView.AskSaving();
if (result == DialogResult.Yes)
{
SaveDocument();
}
else if (result == DialogResult.Cancel)
{
return;
}
}
string filePath;
bool ok = _mainView.AskForFilePathToOpen(out filePath);
if (ok)
{
try
{
_document.Load(filePath);
}
catch (Exception e)
{
_mainView.ShowMessageBox(e.Message);
}
}
}