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IVdsStoragePool::QueryDriveExtents method (vds.h)

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[Beginning with Windows 8 and Windows Server 2012, the Virtual Disk Service COM interface is superseded by the Windows Storage Management API.]

Returns an array of the drive extents that are used by a storage pool.

Syntax

HRESULT QueryDriveExtents(
  [out] VDS_STORAGE_POOL_DRIVE_EXTENT **ppExtentArray,
  [out] LONG                          *plNumberOfExtents
);

Parameters

[out] ppExtentArray

A pointer to the array of VDS_STORAGE_POOL_DRIVE_EXTENT structures passed in by the caller. These structures describe the drive extents used by the storage pool. Callers must free this array by using the CoTaskMemFree function.

[out] plNumberOfExtents

A pointer to the number of extents returned in the ppExtentArray array.

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
S_OK
 The method completed successfully.

Requirements

Requirement Value
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Target Platform Windows
Header vds.h
Library Uuid.lib

See also

IVdsStoragePool