# contextMenu（右鍵選單）

## 方法 <a href="#z1a5y" id="z1a5y"></a>

## open(menuItems) <a href="#tkp0d" id="tkp0d"></a>

彈出右鍵選單。

* `menuItems` : [MenuItem](https://www.electronjs.org/docs/latest/api/menu-item)
  * `id` string - 選單項目 ID
  * `label` string - 選單項目顯示的文字
  * `submenu` \[MenuItem] - 子選單

```javascript
eagle.contextMenu.open([
    {
        id: "edit",
        label: "編輯",
        submenu: [
            {
                id: "resize",
                label: "調整大小",
                click: () => { alert("圖片已調整大小") }
            },
            {
                id: "crop",
                label: "裁剪",
                click: () => { alert("圖片已裁剪") }
            },
            {
                id: "rotate",
                label: "旋轉",
                click: () => { alert("圖片已旋轉") }
            }
        ]
    },
    {
        id: "effects",
        label: "效果",
        submenu: [
            {
                id: "grayscale",
                label: "灰階",
                click: () => { alert("已應用灰階效果") }
            },
            {
                id: "sepia",
                label: "懷舊色",
                click: () => { alert("已應用懷舊色效果") }
            },
            {
                id: "invert",
                label: "顏色反轉",
                click: () => { alert("已應用顏色反轉") }
            }
        ]
    },
    {
        id: "export",
        label: "匯出",
        click: () => { alert("圖片已匯出") }
    }
])
```


---

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