codificar boton de eliminar fila de datagridview

private void DataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
    if (e.ColumnIndex == DataGridView1.Columns["Eliminar"].Index)
    {
        DataGridViewRow fila = DataGridView1.Rows[e.RowIndex];
        DataGridViewCheckBoxCell tildado = (DataGridViewCheckBoxCell)fila.Cells["Eliminar"];
        tildado.Value = !Convert.ToBoolean(tildado.Value);
    }
}