private bool VisualStylesEnabled()
        {
            Type         typeFromHandle = typeof(Application);
            PropertyInfo property       = typeFromHandle.GetProperty("RenderWithVisualStyles");
            bool         result;

            if (property == null)
            {
                OperatingSystem oSVersion = Environment.OSVersion;
                if (oSVersion.Platform == PlatformID.Win32NT && ((oSVersion.Version.Major == 5 && oSVersion.Version.Minor >= 1) || oSVersion.Version.Major > 5))
                {
                    NativeMethods.DLLVersionInfo dLLVersionInfo = default(NativeMethods.DLLVersionInfo);
                    dLLVersionInfo.cbSize = Marshal.SizeOf(typeof(NativeMethods.DLLVersionInfo));
                    if (NativeMethods.DllGetVersion(ref dLLVersionInfo) == 0)
                    {
                        result = (dLLVersionInfo.dwMajorVersion > 5 && NativeMethods.IsThemeActive() && NativeMethods.IsAppThemed());
                        return(result);
                    }
                }
                result = false;
            }
            else
            {
                bool flag = (bool)property.GetValue(null, null);
                result = flag;
            }
            return(result);
        }
		public static extern int DllGetVersion(ref NativeMethods.DLLVersionInfo version);