# contextMenu（コンテキストメニュー）

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

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

コンテキストメニューを表示します。

* `menuItems` : [MenuItem](https://www.electronjs.org/docs/latest/api/menu-item)
  * `id` string - メニューアイテムID
  * `label` string - メニューアイテム表示テキスト
  * `submenu` \[MenuItem] - サブメニュー

```javascript
eagle.contextMenu.open([
    {
        id: "edit",
        label: "Edit",
        submenu: [
            {
                id: "resize",
                label: "Resize",
                click: () => { alert("画像サイズ変更") }
            },
            {
                id: "crop",
                label: "Crop",
                click: () => { alert("画像切り取り") }
            },
            {
                id: "rotate",
                label: "Rotate",
                click: () => { alert("画像回転") }
            }
        ]
    },
    {
        id: "effects",
        label: "Effects",
        submenu: [
            {
                id: "grayscale",
                label: "Grayscale",
                click: () => { alert("グレースケール効果適用") }
            },
            {
                id: "sepia",
                label: "Sepia",
                click: () => { alert("セピア効果適用") }
            },
            {
                id: "invert",
                label: "Invert Colors",
                click: () => { alert("色反転効果適用") }
            }
        ]
    },
    {
        id: "export",
        label: "Export",
        click: () => { alert("画像エクスポート") }
    }
])
```


---

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