private void toolStripMenuItem16_Click(object sender, EventArgs e)
        {
            var editTool = dataGridViewOwnColl.SelectedRows[0].DataBoundItem as OwnCollection;
            AddOwnCollectionForm adocf = new AddOwnCollectionForm(editTool);

            if (adocf.ShowDialog() == DialogResult.OK)
            {
                ownCollectionBindingSource.ResetBindings(false);
                art.isChangeData = true;
            }
        }
        private void toolStripMenuItem4_Click(object sender, EventArgs e)
        {
            AddOwnCollectionForm adocf = new AddOwnCollectionForm();

            if (adocf.ShowDialog() == DialogResult.OK)
            {
                art.AddOwnCollection(adocf.ownCollection);
                ownCollectionBindingSource.ResetBindings(false);
                art.isChangeData = true;
                var lastIdx = dataGridViewOwnColl.Rows.Count - 1;
                dataGridViewOwnColl.Rows[lastIdx].Selected          = true;
                dataGridViewOwnColl.FirstDisplayedScrollingRowIndex = lastIdx;
            }
        }