---
title: HI_RGN_HANDLE_MAX
description: "定义区域的最大句柄个数。"
url: https://www.hiascend.com/document/detail/zh/Atlas200IDKA2DeveloperKit/latest/Application%20Development%20Guide/aadgc/aclcppdevg_03_1254.html
sourcePath: /source/zh/Atlas200IDKA2DeveloperKit/23.0.RC2/Application Development Guide/aadgc/aclcppdevg_03_1254.html
indexId: 480ea37f6d2bd5c96f958fcf47e9199b12279771778fd8892bf95cc32083f20e105
---
# HI_RGN_HANDLE_MAX

#### 说明

定义区域的最大句柄个数。


#### 定义

```
#define HI_RGN_HANDLE_MAX 1024
```