private void _viewModelOrNull_Closing(object sender, EventArgs e) { _viewModelOrNull.Closing -= _viewModelOrNull_Closing; _viewModelOrNull.Dispose(); _viewModelOrNull = null; }
private void _viewModelOrNull_Closing(object sender, EventArgs e) { _viewModelOrNull.Closing -= _viewModelOrNull_Closing; _viewModelOrNull.Dispose(); _viewModelOrNull = null; }