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Gets or sets a custom CellStyle associated with this row or column, creating a new style if necessary.
[Browsable(false)]
public virtual CellStyle StyleNew { get; }
This property never returns null. If this element does not have a custom style, a new one will be created automatically and returned.
The code below sets a column's background color to red.
// get the style associated with column 1 (create a new one if necessary)
CellStyle cs = _flex.Cols[1].StyleNew.BackColor;
// set the new style's back color to red
cs.BackColor = Color.Red;