IVdsVolumeMF::QueryAccessPaths method (vds.h)

Article
02/22/2024

[Beginning with Windows 8 and Windows Server 2012, the Virtual Disk Service COM interface is superseded by the Windows Storage Management API.]

Returns a list of access paths and a drive letter, if one exists, for the current volume.

Syntax

HRESULT QueryAccessPaths(
  [out] LPWSTR **pwszPathArray,
  [out] LONG   *plNumberOfAccessPaths
);

Parameters

[out] pwszPathArray

CoTaskMemFree

[out] plNumberOfAccessPaths

A pointer to the number of access paths on the volume.

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/value	Description
S_OK	The method completed successfully.
VDS_E_OBJECT_STATUS_FAILED 0x80042431L	The volume failed.
VDS_E_PACK_OFFLINE 0x80042444L	The pack containing the volume is not accessible.

Remarks

The drive letter appears as the first access path in pwszPathArray.

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