void Button1Click(object sender, EventArgs e) { RegistryKey rk = Registry.LocalMachine; RegistryKey rks = rk.CreateSubKey("SOFTWARE\\Wow6432Node\\Microsoft\\Internet Explorer\\MAIN\\FeatureControl\\FEATURE_BROWSER_EMULATION"); rks.SetValue(textBox1.Text,"11001",RegistryValueKind.DWord); rk.Close(); }原文：https://www.cnblogs.com/soundcode/p/10257328.html