1# OHExtDataHandle 2 3 4## Overview 5 6The **OHExtDataHandle** module defines the extended data handle. 7 8**Since** 9 109 11 12**Deprecated** 13 14This module is deprecated since API version 10. No substitute module is provided. 15 16**Related Modules** 17 18[NativeWindow](_native_window.md) 19 20 21## Summary 22 23 24### Member Variables 25 26| Name| Description:| 27| -------- | -------- | 28| [fd](#fd) | File descriptor handle. The value **-1** indicates that the handle is not supported.| 29| [reserveInts](#reserveints) | Number of reserved arrays.| 30| [reserve](#reserve) [0] | Reserved array.| 31 32 33## Member Variable Description 34 35 36### fd 37 38 39``` 40int32_t OHExtDataHandle::fd 41``` 42 43**Description** 44 45File descriptor handle. The value **-1** indicates that the handle is not supported. 46 47 48### reserve 49 50 51``` 52int32_t OHExtDataHandle::reserve[0] 53``` 54 55**Description** 56 57Reserved array. 58 59 60### reserveInts 61 62 63``` 64uint32_t OHExtDataHandle::reserveInts 65``` 66 67**Description** 68 69Number of reserved arrays. 70