|Microsoft DirectX 9.0|
The Compact method instructs the port to compact
If the method succeeds, the return value is S_OK.
If it fails, the method can return one of the error values shown in the following table.
This method affects only DLS devices that need to manage their own DLS wavetable memory. On ports that do not manage their own memory (such as software synthesizers or hardware synthesizers that use host system memory), the method returns E_NOTIMPL.
Header: Declared in dmusicc.h.