> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PartyFreeMemoryCallback

> 每當 Party 程式庫不再需要先前配置的記憶體緩衝區且可釋放時叫用的回呼。

每當 Party 程式庫不再需要先前配置的記憶體緩衝區且可釋放時叫用的回呼。

## 語法

```cpp theme={null}
typedef
void (*PartyFreeMemoryCallback)(  
    void* pointer,  
    uint32_t memoryTypeId  
)  
```

### 參數

**`pointer`**   void\*\
**Post\_invalid**

先前配置之記憶體緩衝區的指標。此值永遠不會是 nullptr。

**`memoryTypeId`**   uint32\_t

不透明的識別碼，代表所釋放之記憶體的 Party 程式庫內部類別。應忽略此值。

### 傳回值

類型：void

回呼不會傳回值。

## 備註

此回呼可選擇使用 [PartyManager::SetMemoryCallbacks()](/zh-TW/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_setmemorycallbacks) 方法安裝。 <br /><br /> 每當 Party 程式庫使用完先前由遊戲對應的 [PartyAllocateMemoryCallback](/zh-TW/services/playfab/multiplayer/networking/reference/callbacks/partyallocatememorycallback) 所傳回的記憶體緩衝區時，就會叫用此回呼，以便遊戲釋放記憶體緩衝區。

## 需求

**標頭：** Party.h

## 另請參閱

[Party 成員](/zh-TW/services/playfab/multiplayer/networking/reference/party_members)\
[PartyAllocateMemoryCallback](/zh-TW/services/playfab/multiplayer/networking/reference/callbacks/partyallocatememorycallback)\
[PartyManager::SetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_setmemorycallbacks)\
[PartyManager::GetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_getmemorycallbacks)


## Related topics

- [PartyAllocateMemoryCallback](/zh-TW/services/playfab/multiplayer/networking/reference/callbacks/partyallocatememorycallback.md)
- [PartyManager::SetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_setmemorycallbacks.md)
- [PartyManager::GetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_getmemorycallbacks.md)
- [PartyXblManager::SetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/xblreference/classes/PartyXblManager/methods/partyxblmanager_setmemorycallbacks.md)
- [PartyXblManager::GetMemoryCallbacks](/zh-TW/services/playfab/multiplayer/networking/xblreference/classes/PartyXblManager/methods/partyxblmanager_getmemorycallbacks.md)