procedure TForm1.lsbRightClick(Sender: TObject);
begin
    StaticText1.Caption := '''' '''' + lsbRight.Items.Strings[lsbRight.ItemIndex];
end;

procedure TForm1.FormShow(Sender: TObject);
begin
    lsbRight.ItemIndex := 0;
    lsbRight.Repaint();

    lsbLeft.ItemIndex := 0;
    lsbLeft.Repaint();
end;

procedure TForm1.lsbLeftDrawItem(Control: TWinControl; Index: Integer;
  Rect: TRect; State: TOwnerDrawState);
var
    r: TRect;
begin
    with lsbLeft.Canvas do begin
        //设置填充的背景颜色并填充背景
        Brush.Color := clWhite;
        FillRect (Rect);
        //绘制圆角矩形
        if (odSelected in State) then   //选中项的圆角矩形颜色
            Pen.Color := $FFB2B5
        else                            //未选中项的圆角矩形颜色
            Pen.Color := clSilver;
        Brush.Style := bsClear;
        SetRect(r, Rect.Left+3, Rect.Top+3, Rect.Right-3, Rect.Bottom-3);
        RoundRect(r.Left, r.Top, r.Right, r.Bottom, 10, 10);
        //画出图标
        if (odSelected in State) then   //选中项的图像
            Draw(r.Left + (r.Right - r.Left - imgHouse.Width) shr 1,
                r.Top + 2, imgHouse.Picture.Graphic)
        else                            //未选中项的图像
            Draw(r.Left + (r.Right - r.Left - imgHouseGray.Width) shr 1,
                r.Top + 2, imgHouseGray.Picture.Graphic);
        //填充文字区背景
        r.Top := r.Bottom - Abs(Font.Height) - 4;
        Brush.Style := bsSolid;
        if (odSelected in State) then   //选中项的背景颜色
            Brush.Color := $FFB2B5
        else                            //未选中项的背景颜色
            Brush.Color := clSilver;
        FillRect(r);
        //输出文字，仅支持单行
        Font.Color := clBlack;
        r.Top := r.Top + 2; //计算文字顶点位置，(水平居中,DT_CENTER不可用)
        DrawText(Handle, PChar(TListBox(Control).Items.Strings[Index]), -1, r
                , DT_CENTER or DT_END_ELLIPSIS{ or DT_WORDBREAK});
        //画焦点虚框，当系统再绘制时，变成XOR运算，从而达到擦除焦点虚框的目的
        if(odFocused in State) then DrawFocusRect(Rect);
    end;
end;

end.

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