| DirectX SDK | 
The IDirectSoundNotify interface provides a mechanism for setting up notification events for a playback or capture buffer.
The interface is obtained by calling the QueryInterface method of an existing interface on a DirectSoundBuffer object. For an example, see Play Buffer Notification.
The interface has the following method:
Like all COM interfaces, the IDirectSoundNotify interface also inherits the IUnknown interface methods. The IUnknown interface supports the following three methods:
| IUnknown | AddRef | 
| QueryInterface | |
| Release | 
The LPDIRECTSOUNDNOTIFY type is defined as a pointer to the IDirectSoundNotify interface:
typedef struct IDirectSoundNotify *LPDIRECTSOUNDNOTIFY;
  Windows NT/2000: Requires Windows 2000.
  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.