| Platform SDK: Files and I/O |
Retrieves the user's quota used value on the volume. This is the amount of information stored on the volume by the user. Note that this is the amount of uncompressed information. Therefore, the use of NTFS compression does not affect this value.
HRESULT GetQuotaUsed( PLONGLONG pllUsed );
This method returns a file system error or one of the following values.
| Value | Meaning |
|---|---|
| NOERROR | Success. |
| ERROR_ACCESS_DENIED | The caller has insufficient access rights. |
| ERROR_LOCK_FAILED | Failure to obtain an exclusive lock. |
| E_INVALIDARG | The pllUsed parameter is NULL. |
| E_OUTOFMEMORY | Insufficient memory. |
| E_FAIL | An unexpected file system error occurred. |
| E_UNEXPECTED | An unexpected exception occurred. |
Windows NT/2000: Requires Windows 2000.
Windows 95/98: Unsupported.
Header: Declared in Dskquota.h.
File Systems Overview, File System Interfaces, IDiskQuotaUser