enum GridProperty { kGridPropInvalid = 0x00, kGridPropLineStyle = 0x01, kGridPropLineWeight = 0x02, kGridPropLinetype = 0x04, kGridPropColor = 0x08, kGridPropVisibility = 0x10, kGridPropDoubleLineSpacing = 0x20, kGridPropAll = (kGridPropLineStyle | kGridPropLineWeight | kGridPropLinetype | kGridPropColor | kGridPropVisibility | kGridPropDoubleLineSpacing) };