[WVAC] UI Scroll View Issue prevents listening to microphone on first turn in

[olmidy]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

1. Launch Windows Voice Assistant Client via Visual Studio. Configure with settings for voice-enabled bot/CC app.
2. Click microphone button to begin listening.
3. App cannot process audio due to UI thread issue.

To rectify:

1. Send a message via typed text.
2. Subsequent messages using microphone will succeed.

Any log messages given by the failure

At this line: System.ArgumentOutOfRangeException: 'Specified argument was out of the range of valid values.
Parameter name: index'

Expected/desired behavior

Mic works automatically when connection is established.

OS and Version?

Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)

Versions

Mention any other details that might be useful

---

Thanks! We'll be in touch soon.