Dev TreeList 自定义节点样式

using System.Drawing;
using System.Drawing.Drawing2D;
using DevExpress.XtraTreeList;

private void treeList1_CustomDrawNodeCell(object sender, CustomDrawNodeCellEventArgs e) {
    // Create brushes for cells. 
    Brush backBrush, foreBrush;
    if (e.Node != (sender as TreeList).FocusedNode)
    {
        backBrush = e.Cache.GetGradientBrush(e.Bounds, Color.PapayaWhip, Color.PeachPuff, LinearGradientMode.ForwardDiagonal);
        foreBrush = Brushes.Black;
    }
    else 
    {
        backBrush = Brushes.DarkBlue;
        foreBrush = e.Cache.GetSolidBrush(Color.PeachPuff);
    }
    // Fill the background. 
    e.Cache.FillRectangle(backBrush, e.Bounds);
    // Paint the node value. 
    e.Cache.DrawString(e.CellText, e.Appearance.Font, foreBrush, e.Bounds,
      e.Appearance.GetStringFormat());

    // Prohibit default painting. 
    e.Handled = true;
}