Program.cs

#region Copyright

// Copyright © 2024, TeamDev. All rights reserved.
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// modification, must retain the above copyright notice and the following
// disclaimer.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#endregion

using System;
using DotNetBrowser.Browser;
using DotNetBrowser.Engine;
using DotNetBrowser.Frames;
using DotNetBrowser.Geometry;

namespace GetFrames
{
    /// <summary>
    ///     The example demonstrates how to obtain the hierarchy of frames
    ///     on the web page.
    /// </summary>
    internal class Program
    {
        public static void Main()
        {
            using (IEngine engine = EngineFactory.Create())
            {
                using (IBrowser browser = engine.CreateBrowser())
                {
                    browser.Size = new Size(700, 500);
                    browser.Navigation
                           .LoadUrl("https://www.w3schools.com/tags/tryit.asp?filename=tryhtml_frame_cols")
                           .Wait();

                    PrintFrameHierarchy(browser.MainFrame);
                }
            }

            Console.WriteLine("Press any key to terminate...");
            Console.ReadKey();
        }

        public static void PrintFrameHierarchy(IFrame frame, int padding = 0)
        {
            if (frame != null)
            {
                string indent = string.Empty.PadLeft(padding);
                Console.WriteLine($"{indent}Frame '{frame.Name}'{(frame.IsMain ? "(main)" : string.Empty)}");
                foreach (IFrame childFrame in frame.Children)
                {
                    PrintFrameHierarchy(childFrame, padding + 4);
                }
            }
        }
    }
}