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

# PFExperimentationGetTreatmentAssignmentGetResultSize

> 取得儲存 GetTreatmentAssignment 呼叫結果所需的位元組大小。

取得儲存 GetTreatmentAssignment 呼叫結果所需的位元組大小。

## 語法

```cpp theme={null}
HRESULT PFExperimentationGetTreatmentAssignmentGetResultSize(  
    XAsyncBlock* async,  
    size_t* bufferSize  
)  
```

### 參數

**`async`**   XAsyncBlock\*\
*Inout*

用於非同步作業的 XAsyncBlock。

**`bufferSize`**   size\_t\*\
*output*

結果所需的緩衝區大小 (以位元組為單位)。

### 傳回值

類型：HRESULT

此 API 作業的結果代碼。如果服務呼叫失敗，結果將為 E\_PF\_EXPERIMENTATION\_CLIENT\_TIMEOUT, E\_PF\_EXPERIMENTATION\_TREATMENT\_ASSIGNMENT\_DISABLED, E\_PF\_EXPERIMENTATION\_TREATMENT\_ASSIGNMENT\_FAILED, E\_PF\_FEATURE\_NOT\_CONFIGURED\_FOR\_TITLE, E\_PF\_INVALID\_ENTITY\_TYPE, E\_PF\_PRODUCT\_DISABLED\_FOR\_TITLE 或任何全域 PlayFab 服務錯誤。如需錯誤處理的詳細資訊，請參閱文件頁面「Handling PlayFab Errors」。

## 需求

**標頭：** PFExperimentation.h

## 另請參閱

[PFExperimentation 成員](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentation/pfexperimentation_members.md)


## Related topics

- [PFExperimentationGetTreatmentAssignmentAsync](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentasync.md)
- [服務 C API 概觀 - PFExperimentation.h](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentation/pfexperimentation_members.md)
- [PFExperimentationGetTreatmentAssignmentGetResult](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentgetresult.md)
- [PFExperimentationGetTreatmentAssignmentResult](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentationtypes/structs/pfexperimentationgettreatmentassignmentresult.md)
- [PFExperimentationGetTreatmentAssignmentRequest](https://docs.xbox.com/zh-TW/services/playfab/api-references/c/pfexperimentationtypes/structs/pfexperimentationgettreatmentassignmentrequest.md)