IVdsVolumePlex::QueryExtents method (vds.h)
[Beginning with Windows 8 and Windows Server 2012, the Virtual Disk Service COM interface is superseded by the Windows Storage Management API.]
Returns all extents for the current plex.
Syntax
HRESULT QueryExtents(
[out] VDS_DISK_EXTENT **ppExtentArray,
[out] LONG *plNumberOfExtents
);
Parameters
[out] ppExtentArray
A pointer to the array of VDS_DISK_EXTENT structures passed in by the caller. Callers must free this array by using the CoTaskMemFree function.
[out] plNumberOfExtents
A pointer to a buffer containing the number of extents.
Return value
This method can return standard HRESULT values, such as E_INVALIDARG or E_OUTOFMEMORY, and VDS-specific return values. It can also return converted system error codes using the HRESULT_FROM_WIN32 macro. Errors can originate from VDS itself or from the underlying VDS provider that is being used. Possible return values include the following.
Return code | Description |
---|---|
|
The method completed successfully. |
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | vds.h |
Library | Uuid.lib |