IVssDifferentialSoftwareSnapshotMgmt::QueryDiffAreasForSnapshot method (vsmgmt.h)
The QueryDiffAreasForSnapshot method queries shadow copy storage areas in use by the original volume associated with the input shadow copy.
Syntax
HRESULT QueryDiffAreasForSnapshot(
[in] VSS_ID SnapshotId,
[out] IVssEnumMgmtObject **ppEnum
);
Parameters
[in] SnapshotId
The VSS_ID of a shadow copy.
[out] ppEnum
The address of an IVssEnumMgmtObject interface pointer, which is initialized on return. Callers must release the interface.
Return value
This method can return one of these values.
Value | Meaning |
---|---|
|
Successfully queried the shadow copy storage areas. |
|
Caller does not have sufficient backup privileges or is not an administrator. |
|
One of the parameter values is not valid. |
|
The caller is out of memory or other system resources. |
|
Provider error - the provider logged the error in the event log. For more information, see Event and Error Handling Under VSS. |
|
Unexpected error. The error code is logged in the error log file. For more information, see
Event and Error Handling Under VSS.
Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP: This value is not supported until Windows Server 2008 R2 and Windows 7. E_UNEXPECTED is used instead. |
Remarks
The returned IVssEnumMgmtObject enumerator object will contain VSS_DIFF_AREA_PROP structures inside the VSS_MGMT_OBJECT_UNION union inside the VSS_MGMT_OBJECT_PROP structure.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | vsmgmt.h |