IVdsService::QueryDriveLetters 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[Beginning with Windows 8 and Windows Server 2012, the Virtual Disk Service COM interface is superseded by the Windows Storage Management API.]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 property details for a set of drive letters.
Syntax
HRESULT QueryDriveLetters(
[in] WCHAR wcFirstLetter,
[in] DWORD count,
[out] VDS_DRIVE_LETTER_PROP *pDriveLetterPropArray
);
Parameters
[in] wcFirstLetter
The first drive letter to retrieve.
[in] count
The total number of drive letters to retrieve.
[out] pDriveLetterPropArray
The address of an array of VDS_DRIVE_LETTER_PROP structures. The size of the array is count. Callers must allocate the memory for this 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/value | Description |
|---|---|
|
The method completed successfully. |
|
VDS failed to initialize. If an application calls this method before the service finishes initializing, the method is blocked until the initialization completes. If the initialization fails, this error is returned. |
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 |