USB device detection causes crash under Vista

Last reviewed: 5/5/2008

PRB Article ID: P050801

The information in this article applies to:

  • SpeechKit 5
  • Chant Developer Workbench 2007

Symptoms

Registering for ChantAudio USB audio device events: CCDDeviceArrival, CCDDeviceRemoved, CCSDeviceRemoved, or CCSDeviceRemoved causes crash under Windows Vista.

Cause

WM_DEVICE message under Windows Vista may contain null device control blocks.

Status

Fixed in SpeechKit 5 build 5.0.17.5 (Win32).

Component Formats Impacted

All component formats.