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IWMSPacket::GetAllBuffers
The GetAllBuffers method retrieves an array of WMSBUFFERDESC structures. Each WMSBUFFERDESC structure contains the location and size of a specific buffer region that contains the packet's data.
Syntax
HRESULT GetAllBuffers( DWORD dwMaxNumBuffers, );
Parameters
dwMaxNumBuffers
[in] DWORD containing the maximum number of buffers to retrieve.
pDesc
[out] Pointer to a WMSBUFFERDESC array containing the buffer descriptors.
pdwNumBuffers
[out] Pointer to a DWORD containing the number of buffers retrieved.
dwExFlags
[in] Member of the WMS_PACKET_BUFFER_EX_FLAGS enumeration type. This must be a bitwise OR of one or more of the following values.
| Value | Description |
| WMS_BUFFER_COMBINE | This buffer should be combined with the list rather than appended. |
| WMS_BUFFER_NO_ADDREF | The reference count for the buffer should not be incremented. |
| WMS_BUFFER_NO_REFCOUNT | No reference count should be kept for this buffer. |
| WMS_BUFFER_NO_RELEASE | The buffer should not be released regardless of reference count. |
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 | pDesc is null. |
Requirements
Header: wmspacket.h.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.
See Also
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