windows注册表操作

static void Register(string filePath)
        {
            if (!File.Exists(filePath)) Console.Out.WriteLine("parameter error");
            using (RegistryKey root = Registry.ClassesRoot)
            {
                string fileName = Path.GetFileNameWithoutExtension(filePath);
                using (RegistryKey register = root.CreateSubKey(@"*" + fileName))
                {
                    register.SetValue("icon", filePath);
                    register.SetValue(null, fileName);//默认值修改
                }
                using (RegistryKey register = root.CreateSubKey(@"*" + fileName + @"\command"))
                    register.SetValue(null, "\"" + filePath + "\" \"%1\"");
            }
        }