StrangeTools/QVCopier/Utility/ExplorerAccessor.cs

using SHDocVw;
using System;
using System.IO;
using System.Linq;

namespace QVCopier.Utility
{
    internal static class ExplorerAccessor
    {
        public static string[] GetOpenedWindowPath()
        {
            var paths = new ShellWindows().Cast<InternetExplorer>()
                .Where(p => p.FullName?.ToLower().EndsWith("explorer.exe") == true && false == string.IsNullOrWhiteSpace(p.LocationURL))
                .Select(p => Path.GetFullPath(Uri.UnescapeDataString(new Uri(p.LocationURL).AbsolutePath)))
                .Distinct()
                .ToArray();
            return paths;
        }
    }
}