private void AssociatedObject_Closing(object sender, CancelEventArgs e) { if (_closeable == null || _closeable.CanClose()) { return; } e.Cancel = true; }
void AssociatedObject_Closing(object sender, System.ComponentModel.CancelEventArgs e) { if (_closeable != null) { if (!_closeable.CanClose()) { e.Cancel = true; } } }