public List<T> GetChildObjects<T>(DependencyObject obj, Type typename) where T : FrameworkElement
{
DependencyObject child = null;
List<T> childList = new List<T>();
for (int i = 0; i <= VisualTreeHelper.GetChildrenCount(obj) - 1; i++)
{
child = VisualTreeHelper.GetChild(obj, i);
if (child is T && (((T)child).GetType() == typename))
{
childList.Add((T)child);
}
childList.AddRange(GetChildObjects<T>(child, typename));
}
return childList;
}
使用部分：
List<TextBlock> listTextBlock = GetChildObjects<TextBlock>(dgSimple, typeof(TextBlock));
dgSimple：父元素name标签：GetChildObjects,List,指定,childList,查找,child,wpf,DependencyObject From： https://www.cnblogs.com/wuguoqiang/p/16963743.html