使用键盘F5刷新、F12打开控制台

public class CEFKeyBoardHander : IKeyboardHandler
{public bool OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){if (type == KeyType.KeyUp && Enum.IsDefined(typeof(Keys), windowsKeyCode)){var key = (Keys)windowsKeyCode;switch (key){case Keys.F12:browser.ShowDevTools();break;case Keys.F5:if (modifiers == CefEventFlags.ControlDown){//MessageBox.Show("ctrl+f5");browser.Reload(true); //强制忽略缓存}else{//MessageBox.Show("f5");browser.Reload();}break;}}return false;}public bool OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){return false;}
}

WebBrowser = new ChromiumWebBrowser();
this.Controls.Add(WebBrowser);
WebBrowser.KeyboardHandler = new CEFKeyBoardHander();

浏览器默认下载弹窗

public class CefDownloadHandler : IDownloadHandler
{public event EventHandler<DownloadItem> OnBeforeDownloadFired;public event EventHandler<DownloadItem> OnDownloadUpdatedFired;public bool CanDownload(IWebBrowser chromiumWebBrowser, IBrowser browser, string url, string requestMethod){//可以支持全部，也可以根据配置去自定义支持的文件类型//return "xls|xlsx".Split('|').ToList().Contains(url.Substring(url.LastIndexOf(".") + 1).ToLower());return true;}public void OnBeforeDownload(IWebBrowser chromiumWebBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback){OnBeforeDownloadFired?.Invoke(this, downloadItem);if (!callback.IsDisposed){using (callback){callback.Continue(downloadItem.SuggestedFileName, showDialog: true);}}}public void OnDownloadUpdated(IWebBrowser chromiumWebBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback){OnDownloadUpdatedFired?.Invoke(this, downloadItem);}
}

WebBrowser = new ChromiumWebBrowser();
WebBrowser.DownloadHandler = new CefDownloadHandler();

禁用GPU配置

var setting = new CefSettings();
setting.CefCommandLineArgs.Add("disable-gpu", "1")

待续未完……