HaloPixelToolBox

using System.IO;
using System.Windows;
using System.Windows.Markup;
using System.Windows.Media;
using System.Xml;

namespace HaloPixelToolBox.Installer.Utilities;

public static class ControlHelper
{
    public static T? FindControlByTag<T>(DependencyObject parent, object tag) where T : FrameworkElement
    {
        if (parent is null)
            return null;
        var childrenCount = VisualTreeHelper.GetChildrenCount(parent);
        for (var i = 0; i < childrenCount; i++)
        {
            var child = VisualTreeHelper.GetChild(parent, i);
            var childElement = child as T;
            if (childElement is not null && Equals(childElement.Tag, tag))
                return childElement;
            var result = FindControlByTag<T>(child, tag);
            if (result is not null)
                return result;
        }
        return null;
    }
    public static T Clone<T>(this T control) where T : UIElement => (T)XamlReader.Load(XmlReader.Create(new StringReader(XamlWriter.Save(control))));
}