procedure Tform.tvCustomDrawItem(Sender: TYKCustomTreeView;
  Node: TTreeNode; State: TCustomDrawState; var DefaultDraw: Boolean);
begin
  with tv.Canvas do
  begin
    if cdsSelected in State then
    begin
      Font.Size:=9;
      Font.Color:=clGreen;
      Font.Style:=Font.Style+[fsBold];
      Brush.Color :=$0044D0AC;
    end;
  end;
end;TreeView 右键时候有背景,但我想改成为颜色:$0044D0AC;
请问怎么实现