private void btnShowUnmatched_Click(object sender, EventArgs e)
        {
            if (_validator.UnmatchedObjects == null)
                return;

            UnmatchedObjectsForm frm = new UnmatchedObjectsForm(_validator.UnmatchedObjects);
            frm.ShowDialog();
        }
        private void btnShowUnmatched_Click(object sender, EventArgs e)
        {
            if (_validator.UnmatchedObjects == null)
            {
                return;
            }

            UnmatchedObjectsForm frm = new UnmatchedObjectsForm(_validator.UnmatchedObjects);

            frm.ShowDialog();
        }