duilib combo下拉框不顯示滾動條的一種解決方法

解決方法：

步驟一：Combo标簽加入 vscrollbar=“true” 等屬性

步驟二：xml檔案window标簽下面一行加入下面的标簽，已有的加入shared=“true” 屬性

<Default shared="true" name="VScrollBar" value="button1normalimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,0,16,16&apos;&quot; button1hotimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,0,16,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button1pushedimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,16,16,32&apos; mask=&apos;#FFFF00FF&apos;&quot; button1disabledimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,0,16,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button2normalimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,32,16,48&apos; mask=&apos;#FFFF00FF&apos;&quot; button2hotimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,32,16,48&apos; mask=&apos;#FFFF00FF&apos;&quot; button2pushedimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,48,16,64&apos; mask=&apos;#FFFF00FF&apos;&quot; button2disabledimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,32,16,48&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbnormalimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,64,16,80&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbhotimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,64,16,80&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbpushedimage=&quot;ffile=&apos;ScrollBar/scroll.png&apos; source=&apos;0,64,16,80&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbdisabledimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,64,16,80&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railnormalimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,80,16,96&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railhotimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,80,16,96&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railpushedimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,96,16,112&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; raildisabledimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,80,16,96&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bknormalimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,128,16,146&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkhotimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,128,16,146&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkpushedimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,128,16,146&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkdisabledimage=&quot;file=&apos;ScrollBar/scroll.png&apos; source=&apos;0,128,16,146&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; " />
  <Default shared="true" name="HScrollBar" value="button1normalimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;0,0,16,16&apos;&quot; button1hotimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;0,0,16,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button1pushedimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;16,0,32,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button1disabledimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;0,0,16,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button2normalimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;32,0,48,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button2hotimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;32,0,48,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button2pushedimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;48,0,64,16&apos; mask=&apos;#FFFF00FF&apos;&quot; button2disabledimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;32,0,48,16&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbnormalimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;64,0,80,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbhotimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;64,0,80,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbpushedimage=&quot;ffile=&apos;ScrollBar/scrollH.png&apos; source=&apos;64,0,80,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; thumbdisabledimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;64,0,80,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railnormalimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;80,0,96,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railhotimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;80,0,96,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; railpushedimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;96,0,112,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; raildisabledimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;80,0,96,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bknormalimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;128,0,146,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkhotimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;128,0,146,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkpushedimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;128,0,146,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; bkdisabledimage=&quot;file=&apos;ScrollBar/scrollH.png&apos; source=&apos;128,0,146,16&apos; corner=&apos;2,2,2,2&apos; mask=&apos;#FFFF00FF&apos;&quot; " />
  
           

步驟三：把duilib例子裡面的ScrollBar資源檔案夾放到自己的資源目錄下