dotnet 通过 WMI 获取系统补丁

                const string query = "SELECT HotFixID FROM Win32_QuickFixEngineering";
                var search = new ManagementObjectSearcher(query);
                var collection = search.Get();

                var str = new StringBuilder();
                foreach (ManagementObject quickFix in collection)
                {
                    str.Append(quickFix["HotFixID"].ToString());
                    str.Append(";");
                }

                return str.ToString();

KB4465477,KB4465664