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‎docs/debugger/debug-interface-access/idiaenumframedata.md

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title: "IDiaEnumFrameData | Microsoft Docs"
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ms.date: "11/04/2016"
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ms.topic: "conceptual"
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dev_langs:
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dev_langs:
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- "C++"
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helpviewer_keywords:
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helpviewer_keywords:
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- "IDiaEnumFrameData interface"
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ms.assetid: 2ca7fd5a-b2fa-4b3a-9492-0263eafc435b
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author: "mikejo5000"
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ms.author: "mikejo"
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manager: jillfra
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ms.workload:
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ms.workload:
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- "multiple"
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---
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# IDiaEnumFrameData
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Enumerates the various frame data elements contained in the data source.
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## Syntax
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```
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IDiaEnumFrameData : IUnknown
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```
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## Methods in Vtable Order
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The following table shows the methods of `IDiaEnumFrameData`.
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|Method|Description|
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|------------|-----------------|
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|[IDiaEnumFrameData::get__NewEnum](../../debugger/debug-interface-access/idiaenumframedata-get-newenum.md)|Retrieves the `IEnumVARIANT Interface` version of this enumerator.|
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|[IDiaEnumFrameData::get_Count](../../debugger/debug-interface-access/idiaenumframedata-get-count.md)|Retrieves the number of frame data elements.|
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|[IDiaEnumFrameData::Item](../../debugger/debug-interface-access/idiaenumframedata-item.md)|Retrieves a frame data element by means of an index.|
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|[IDiaEnumFrameData::Next](../../debugger/debug-interface-access/idiaenumframedata-next.md)|Retrieves a specified number of frame data elements in the enumeration sequence.|
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|[IDiaEnumFrameData::Skip](../../debugger/debug-interface-access/idiaenumframedata-skip.md)|Skips a specified number of frame data elements in an enumeration sequence.|
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|[IDiaEnumFrameData::Reset](../../debugger/debug-interface-access/idiaenumframedata-reset.md)|Resets an enumeration sequence to the beginning.|
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|[IDiaEnumFrameData::Clone](../../debugger/debug-interface-access/idiaenumframedata-clone.md)|Creates an enumerator that contains the same enumeration state as the current enumerator.|
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|[IDiaEnumFrameData::frameByRVA](../../debugger/debug-interface-access/idiaenumframedata-framebyrva.md)|Returns a frame by relative virtual address (RVA).|
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|[IDiaEnumFrameData::frameByVA](../../debugger/debug-interface-access/idiaenumframedata-framebyva.md)|Returns a frame by virtual address (VA).|
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## Remarks
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## Notes for Callers
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Obtain this interface from the [IDiaSession::getEnumTables](../../debugger/debug-interface-access/idiasession-getenumtables.md) method. See the example for details.
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## Example
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This example shows how to obtain (the `GetEnumFrameData` function) and use (the `ShowFrameData` function) the `IDiaEnumFrameData` interface. See the [IDiaFrameData](../../debugger/debug-interface-access/idiaframedata.md) interface for an example of the `PrintFrameData` function.
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```C++
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IDiaEnumFrameData* GetEnumFrameData(IDiaSession *pSession)
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{
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IDiaEnumFrameData* pUnknown = NULL;
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REFIID iid = __uuidof(IDiaEnumFrameData);
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IDiaEnumTables* pEnumTables = NULL;
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IDiaTable* pTable = NULL;
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ULONG celt = 0;
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if (pSession->getEnumTables(&pEnumTables) != S_OK)
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{
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wprintf(L"ERROR - GetTable() getEnumTables\n");
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return NULL;
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}
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while (pEnumTables->Next(1, &pTable, &celt) == S_OK && celt == 1)
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{
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// There is only one table that matches the given iid
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HRESULT hr = pTable->QueryInterface(iid, (void**)&pUnknown);
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pTable->Release();
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if (hr == S_OK)
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{
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break;
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}
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}
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pEnumTables->Release();
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return pUnknown;
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}
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void ShowFrameData(IDiaSession *pSession)
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{
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IDiaEnumFrameData* pEnumFrameData = GetEnumFrameData(pSession);;
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if (pEnumFrameData != NULL)
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{
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IDiaFrameData* pFrameData;
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ULONG celt = 0;
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while(pEnumFrameData->Next(1, &pFrameData, &celt) == S_OK &&
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celt == 1)
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{
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PrintFrameData(pFrameData);
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pFrameData->Release();
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}
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pEnumFrameData->Release();
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}
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}
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```
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## Requirements
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**Header:** Dia2.h
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**Library:** diaguids.lib
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**DLL:** msdia80.dll
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## See Also
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[Interfaces (Debug Interface Access SDK)](../../debugger/debug-interface-access/interfaces-debug-interface-access-sdk.md)
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[IDiaSession::getEnumTables](../../debugger/debug-interface-access/idiasession-getenumtables.md)
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[IDiaFrameData](../../debugger/debug-interface-access/idiaframedata.md)
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Enumerates the various frame data elements contained in the data source.
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## Syntax
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```
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IDiaEnumFrameData : IUnknown
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```
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## Methods in Vtable Order
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The following table shows the methods of `IDiaEnumFrameData`.
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|Method|Description|
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|------------|-----------------|
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|[IDiaEnumFrameData::get__NewEnum](../../debugger/debug-interface-access/idiaenumframedata-get-newenum.md)|Retrieves the `IEnumVARIANT Interface` version of this enumerator.|
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|[IDiaEnumFrameData::get_Count](../../debugger/debug-interface-access/idiaenumframedata-get-count.md)|Retrieves the number of frame data elements.|
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|[IDiaEnumFrameData::Item](../../debugger/debug-interface-access/idiaenumframedata-item.md)|Retrieves a frame data element by means of an index.|
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|[IDiaEnumFrameData::Next](../../debugger/debug-interface-access/idiaenumframedata-next.md)|Retrieves a specified number of frame data elements in the enumeration sequence.|
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|[IDiaEnumFrameData::Skip](../../debugger/debug-interface-access/idiaenumframedata-skip.md)|Skips a specified number of frame data elements in an enumeration sequence.|
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|[IDiaEnumFrameData::Reset](../../debugger/debug-interface-access/idiaenumframedata-reset.md)|Resets an enumeration sequence to the beginning.|
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|[IDiaEnumFrameData::Clone](../../debugger/debug-interface-access/idiaenumframedata-clone.md)|Creates an enumerator that contains the same enumeration state as the current enumerator.|
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|[IDiaEnumFrameData::frameByRVA](../../debugger/debug-interface-access/idiaenumframedata-framebyrva.md)|Returns a frame by relative virtual address (RVA).|
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|[IDiaEnumFrameData::frameByVA](../../debugger/debug-interface-access/idiaenumframedata-framebyva.md)|Returns a frame by virtual address (VA).|
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## Remarks
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## Notes for Callers
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Obtain this interface from the [IDiaSession::getEnumTables](../../debugger/debug-interface-access/idiasession-getenumtables.md) method. See the example for details.
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## Example
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This example shows how to obtain (the `GetEnumFrameData` function) and use (the `ShowFrameData` function) the `IDiaEnumFrameData` interface. See the [IDiaFrameData](../../debugger/debug-interface-access/idiaframedata.md) interface for an example of the `PrintFrameData` function.
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```C++
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IDiaEnumFrameData* GetEnumFrameData(IDiaSession *pSession)
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{
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IDiaEnumFrameData* pUnknown = NULL;
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REFIID iid = __uuidof(IDiaEnumFrameData);
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IDiaEnumTables* pEnumTables = NULL;
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IDiaTable* pTable = NULL;
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ULONG celt = 0;
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if (pSession->getEnumTables(&pEnumTables) != S_OK)
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{
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wprintf(L"ERROR - GetTable() getEnumTables\n");
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return NULL;
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}
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while (pEnumTables->Next(1, &pTable, &celt) == S_OK && celt == 1)
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{
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// There is only one table that matches the given iid
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HRESULT hr = pTable->QueryInterface(iid, (void**)&pUnknown);
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pTable->Release();
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if (hr == S_OK)
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{
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break;
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}
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}
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pEnumTables->Release();
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return pUnknown;
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}
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void ShowFrameData(IDiaSession *pSession)
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{
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IDiaEnumFrameData* pEnumFrameData = GetEnumFrameData(pSession);;
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if (pEnumFrameData != NULL)
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{
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IDiaFrameData* pFrameData;
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ULONG celt = 0;
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while(pEnumFrameData->Next(1, &pFrameData, &celt) == S_OK &&
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celt == 1)
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{
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PrintFrameData(pFrameData);
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pFrameData->Release();
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}
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pEnumFrameData->Release();
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}
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}
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```
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## Requirements
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**Header:** Dia2.h
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**Library:** diaguids.lib
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**DLL:** msdia80.dll
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## See Also
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[Interfaces (Debug Interface Access SDK)](../../debugger/debug-interface-access/interfaces-debug-interface-access-sdk.md)
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[IDiaSession::getEnumTables](../../debugger/debug-interface-access/idiasession-getenumtables.md)
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[IDiaFrameData](../../debugger/debug-interface-access/idiaframedata.md)

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