public static extern UInt32 SlmUserDataReadEasy( SLM_HANDLE_INDEX SlmHandle, LIC_USER_DATA_TYPE Type, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] byte[] ReadBuff, UInt32 Offset, UInt32 Len);
public static extern UInt32 SlmUserDataGetSizeEasy( SLM_HANDLE_INDEX SlmHandle, LIC_USER_DATA_TYPE Type);