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lang: ja-jp
breaks: true
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# UWP WPF `WinUI 3` XAMLの親要素を取得する　2021-04-14

> 【WPF】意外に役に立つかもしれないVisualTreeHelper.GetParentメソッド
> http://pro.art55.jp/?eid=878693

    public static T? GetParentItem<T>(FrameworkElement startElement)
        where T : class
    {
        Type targetType = typeof(T);
        DependencyObject result = startElement;
        do
        {
            result = VisualTreeHelper.GetParent(result);
            if (result == null)
            {
                return null;
            }
        }
        while (result.GetType().Equals(targetType) == false);
        return (T)(object)result;
    }

###### tags: `UWP` `WPF` `XAML` `親要素` `WinUI 3`