TweetDuck/Browser/Handling/RequestHandlerBrowser.cs

using CefSharp;
using TweetLib.Core.Features.Twitter;

namespace TweetDuck.Browser.Handling{
    sealed class RequestHandlerBrowser : RequestHandlerBase{
        public string BlockNextUserNavUrl { get; set; }

        public RequestHandlerBrowser() : base(true){}

        protected override bool OnBeforeBrowse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect){
            if (userGesture && request.TransitionType == TransitionType.LinkClicked){
                bool block = request.Url == BlockNextUserNavUrl;
                BlockNextUserNavUrl = string.Empty;
                return block;
            }
            else if (request.TransitionType.HasFlag(TransitionType.ForwardBack) && TwitterUrls.IsTweetDeck(frame.Url)){
                return true;
            }

            return base.OnBeforeBrowse(browserControl, browser, frame, request, userGesture, isRedirect);
        }
    }
}