Accord.Controls.DataGridBox.item_CheckedChanged C# (CSharp) Method

        private void item_CheckedChanged(object sender, EventArgs e)
        {
            ToolStripMenuItem item = sender as ToolStripMenuItem;
            DataGridViewColumn column = item.Tag as DataGridViewColumn;

            if (column == null)
                return;

            column.Visible = item.Checked;
        }