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INSSBuffer::GetBufferAndLength
The GetBufferAndLength method retrieves the allocated buffer and the length of the data segment that can be loaded into it.
Syntax
HRESULT GetBufferAndLength( BYTE** ppdwBuffer, DWORD* pdwLength );
Parameters
ppdwBuffer
[out] Pointer to a pointer to the allocated buffer.
pdwLength
[out] Pointer to a DWORD containing the size of the allocated buffer in bytes.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
| Return code | Number | Description |
| E_INVALIDARG | 0x80070057 | One or both parameters is NULL. |
Remarks
You can use the IWMSBufferAllocator interface to allocate the buffer.
Example Code
#include <windows.h>
#include "wmsserver.h"
// Declare variables.
BYTE *pbBuffer = NULL;
DWORD cbBuffer = 0;
// Retrieve a pointer to the buffer and the length of
// the buffer. The pBuffer pointer is user-defined.
hr = pBuffer->GetBufferAndLength( &pbBuffer, &cbBuffer );
if (FAILED(hr)) goto EXIT;
EXIT:
// TODO: Release temporary objects.
Requirements
Header: Include wmsbuffer.h, wmsserver.h.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.
See Also
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