static WebBrowser() { if (WebBrowser.IsWebOCPermissionRestricted) { if (BrowserInteropHelper.IsBrowserHosted) { if ((BrowserInteropHelper.HostingFlags & HostingFlags.hfHostedInIEorWebOC) == (HostingFlags)0) { int num = AppSecurityManager.MapUrlToZone(BrowserInteropHelper.Source); if (num != 1 && num != 2 && num != 0 && !RegistryKeys.ReadLocalMachineBool("Software\\Microsoft\\.NETFramework\\Windows Presentation Foundation\\Hosting", "UnblockWebBrowserControl")) { throw new SecurityException(SR.Get("AffectedByMsCtfIssue", new object[] { "http://go.microsoft.com/fwlink/?LinkID=168882" })); } } } else { string fileName = Path.GetFileName(UnsafeNativeMethods.GetModuleFileName(default(HandleRef))); if (string.Compare(fileName, "AppLaunch.exe", StringComparison.OrdinalIgnoreCase) == 0) { SecurityHelper.DemandWebBrowserPermission(); } } WebBrowser.RegisterWithRBW(); } WebBrowser.TurnOnFeatureControlKeys(); ControlsTraceLogger.AddControl(TelemetryControls.WebBrowser); }