[This is preliminary documentation and subject to change.]
Retrieves the values for the user's warning threshold, hard quota limit, and quota used.
HRESULT GetQuotaInformation(
  LPVOID pbQuotaInfo, 
  DWORD cbQuotaInfo
);
 This method returns one of the following values.
| Value | Meaning | 
|---|---|
| S_OK | Success. | 
| DQC_E_ACCESS_DENIED | The caller has insufficient access rights. | 
| DQC_E_LOCK_FAILED | Failure to obtain an exclusive lock. | 
| E_POINTER | The pQuotaInfo parameter is NULL. | 
| E_OUTOFMEMORY | Insufficient memory. | 
| E_FAIL | Failure reading quota information. | 
  Windows NT: Requires version 5.0 or later.
  Windows: Unsupported.
  Windows CE: Unsupported.
  Header: Declared in dskquota.h.
File Systems Overview, File System Interfaces, IDiskQuotaUser