IDirectMusicPerformance::GetBumperLength

The IDirectMusicPerformance::GetBumperLength method retrieves the amount of time between the time at which messages are placed in the port buffer and the time at which they begin to be processed by the port. For an overview of this topic, see Timing.

HRESULT GetBumperLength(
  DWORD* pdwMilliSeconds
);

Parameters

pdwMilliSeconds

Address of a variable that contains the amount of preplay time.

Return Values

If the method succeeds, the return value is S_OK.

If it fails, the method can return E_POINTER.

Remarks

The default value is 50 milliseconds.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmusici.h.

See Also

IDirectMusicPerformance::SetBumperLength