protected Column(Grid grid, string id, int fieldIndex)
{
m_Grid = grid;
m_ID = id ?? Guid.NewGuid().ToString();
m_FieldIndex = fieldIndex;
m_Grid.RegisterColumn(this);
m_Style = new Style(grid, grid.Style);
m_HeaderStyle = new Style(grid, grid.HeaderStyle);
m_SelectedStyle = new Style(grid, grid.SelectedStyle);
}
