forked from OpenHarmony / docs

Create your Gitee Account

Explore and code with more than 12 million developers，Free private repositories ！：）

Clone or Download

IUnknownEntry.md 3.15 KB

# IUnknownEntry<a name="ZH-CN_TOPIC_0000001055515028"></a>

## **Overview**<a name="section314966837191900"></a>

**Related Modules:**

[Samgr](Samgr.md)

**Description:**

Defines the  **[IUnknown](IUnknown.md)**  implementation class.

You need to inherit this structure when developing a subclass of the  **[IUnknown](IUnknown.md)**  implementation class. Each  **[IUnknown](IUnknown.md)**  interface must correspond to one or more  **[IUnknown](IUnknown.md)**  implementation classes.

## **Summary**<a name="section559713923191900"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table905727140191900"></a>
<table><thead align="left"><tr id="row828602909191900"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1902887869191900"><a name="p1902887869191900"></a><a name="p1902887869191900"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p971681458191900"><a name="p971681458191900"></a><a name="p971681458191900"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1967679010191900"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p279045397191900"><a name="p279045397191900"></a><a name="p279045397191900"></a><a href="IUnknownEntry.md#a5d0fd097aeef2c3a9766a47cf148d8b9">ver</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1191850188191900"><a name="p1191850188191900"></a><a name="p1191850188191900"></a>uint16&nbsp;</p>
</td>
</tr>
<tr id="row156820516191900"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p538806403191900"><a name="p538806403191900"></a><a name="p538806403191900"></a><a href="IUnknownEntry.md#afdf52f5e2c624790ab558ffb0c8aa9a9">ref</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p472559174191900"><a name="p472559174191900"></a><a name="p472559174191900"></a>int16&nbsp;</p>
</td>
</tr>
<tr id="row1863572732191900"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p234661748191900"><a name="p234661748191900"></a><a name="p234661748191900"></a><a href="IUnknownEntry.md#adb0c9a5863f934471bb2edf853690bb9">iUnknown</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p684288046191900"><a name="p684288046191900"></a><a name="p684288046191900"></a><a href="IUnknown.md">IUnknown</a>&nbsp;</p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section1639010056191900"></a>

## **Field Documentation**<a name="section268299301191900"></a>

## iUnknown<a name="adb0c9a5863f934471bb2edf853690bb9"></a>

```
[IUnknown](IUnknown.md) IUnknownEntry::iUnknown
```

**Description:**

Implementation of  **[IUnknown](IUnknown.md)**  interface, which is related to the specific definition implementation.

## ref<a name="afdf52f5e2c624790ab558ffb0c8aa9a9"></a>

```
int16 IUnknownEntry::ref
```

**Description:**

Reference count of  **[IUnknown](IUnknown.md)**  interface.

## ver<a name="a5d0fd097aeef2c3a9766a47cf148d8b9"></a>

```
uint16 IUnknownEntry::ver
```

**Description:**

Version information of  **[IUnknown](IUnknown.md)**  interface.

Copy Edit Raw Blame History

authored 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

IUnknownEntry

Overview

Related Modules:

Samgr

Description:

Defines the IUnknown implementation class.

You need to inherit this structure when developing a subclass of the IUnknown implementation class. Each IUnknown interface must correspond to one or more IUnknown implementation classes.

Summary

Data Fields

Variable Name	Description
ver	uint16
ref	int16
iUnknown	IUnknown

Details

Field Documentation

iUnknown

[IUnknown](IUnknown.md) IUnknownEntry::iUnknown

Description:

Implementation of IUnknown interface, which is related to the specific definition implementation.

ref

int16 IUnknownEntry::ref

Description:

Reference count of IUnknown interface.

ver

uint16 IUnknownEntry::ver

Description:

Version information of IUnknown interface.

https://gitee.com/xulinl/docs.git

git@gitee.com:xulinl/docs.git

xulinl

docs

master

xulinlin / docs

IUnknownEntry

Overview

Summary

Data Fields

Details

Field Documentation

iUnknown

ref

ver

About

Releases

Contributors

Activities

xulinlin / docs .gitee-modal { width: 500px !important; }

IUnknownEntry

Overview

Summary

Data Fields

Details

Field Documentation

iUnknown

ref

ver

About

Releases

Contributors

Activities

Search

xulinlin / docs