The IDirectSound::Compact method moves the unused portions of on-board sound memory, if any, to a contiguous block so that the largest portion of free memory will be available.
HRESULT Compact();
None.
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be one of the following error values:
| DSERR_INVALIDPARAM |
| DSERR_PRIOLEVELNEEDED |
| DSERR_UNINITIALIZED |
The application's DirectSound object must have at least the DSSCL_PRIORITY cooperative level. See IDirectSound::SetCooperativeLevel.
This method will fail if any operations are in progress.
Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
Header: Declared in dsound.h.
Import Library: Use dsound.lib.