current Wave file currently used for this sound event. default Wave file defined by the vendor of the application. Because of this it's not very easy to read the sound events in registry, but it's possible.
But Windows knows also the Sound Schemes, which can be chosen and altered by the user. We're able to add a new Section for our application. Windows supports Sections, this means every application can create/use it's own section.
So the settings can be found under HKEY_CURRENT_USER. The sound events are stored in the registry, this is done by user. Private static extern int PlaySound( String pszSound, int hmod, int falgs)