public static extern CLError clGetKernelWorkGroupInfo( CLKernel kernel, CLDeviceID device, CLKernelWorkGroupInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);
internal static extern CLError clGetKernelWorkGroupInfo(CLKernel kernel, CLDeviceID device, CLKernelWorkGroupInfo param_name, SizeT param_value_size, IntPtr param_value, ref SizeT param_value_size_ret);