我们在使用Xilium.CefGlue编写浏览器应用程序时，对于嵌入的网页如果有链接会在新窗口打开，这样的用户体验会很差，，因此我们需要修改程序，使所有链接都在当前窗口中打开。
首先引用Xilium.CefGlue.dll文件，需要继承Xilium.CefGlue 中的CefLifeSpanHandler类
namespace Xilium.CefGlue{// 摘要://Implement this interface to handle events related to browser life span. The//methods of this class will be called on the UI thread unless otherwise indicated.public abstract class CefLifeSpanHandler
继承CefLifeSpanHandler类，并重写OnBeforePopup方法，实现如下：
internal sealed class CwbLifeSpanHandler : CefLifeSpanHandler{private ChromeWebBrowser webBrowser;public CwbLifeSpanHandler(ChromeWebBrowser browser){webBrowser = browser;}protected override void OnAfterCreated(CefBrowser browser){base.OnAfterCreated(browser);webBrowser.OnCreated(browser);}protected override bool DoClose(CefBrowser browser){return false;}protected override bool OnBeforePopup(CefBrowser browser, CefFrame frame, string targetUrl, string targetFrameName, CefWindowOpenDisposition targetDisposition, bool userGesture, CefPopupFeatures popupFeatures, CefWindowInfo windowInfo, ref CefClient client, CefBrowserSettings settings, ref bool noJavascriptAccess){bool res = false;if (!string.IsNullOrEmpty(targetUrl)){if (webBrowser.selfRequest != null){CefRequest req = CefRequest.Create();req.FirstPartyForCookies = webBrowser.selfRequest.FirstPartyForCookies;req.Options = webBrowser.selfRequest.Options;System.Collections.Specialized.NameValueCollection h = new System.Collections.Specialized.NameValueCollection();h.Add("Content-Type", "application/x-www-form-urlencoded");req.Set(targetUrl, webBrowser.selfRequest.Method, null, webBrowser.selfRequest.GetHeaderMap());webBrowser.selfRequest = req;}//在该处实现用当前页面打开所有新开的窗口webBrowser.OpenUrl(targetUrl);res = true;if (res)return res;}return base.OnBeforePopup(browser, frame, targetUrl, targetFrameName, targetDisposition, userGesture, popupFeatures, windowInfo, ref client, settings, ref noJavascriptAccess);return res;}}虽然修改了浏览器的新窗口处理方法，但浏览器并不会自动加载到我们的CwbCefLifeSpanHandler类，接下来我们需要在实现CefClient的ClientBrowser类中加上我们的CwbCefLifeSpanHandler实现类：
public sealed class ClientBrowser : CefClient{private readonly CwbLifeSpanHandler _lifeSpanHandler;private ChromeWebBrowser webBrowser;public ClientBrowser(ChromeWebBrowser browser){webBrowser = browser;_lifeSpanHandler = new CwbLifeSpanHandler(browser);}public override CefLifeSpanHandler GetLifeSpanHandler(){return _lifeSpanHandler;}}
到此我们的工作就已经完成，可以直接运行程序进行测试了
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