private void OnClosing(object sender, CancelEventArgs cancelEventArgs)
{
var result = MessageBox.Show(this, "Do you want to save before closing?", "Save",
MessageBoxButton.YesNoCancel);
switch (result)
{
case MessageBoxResult.Cancel:
cancelEventArgs.Cancel = true;
return;
case MessageBoxResult.Yes:
_projectManager.SaveCurrentProject();
break;
}
}
