Debug C# Code for Desktop App (WPF)

I'm seeking a C# expert to review my code.

Task:
- Identify why values of right stick (speed, radius, shake) are not saved and change live when sliders adjusted.

Ideal Skills:
- Proficiency in C#
- Experience with desktop applications
- Strong debugging skills

I'm open to you fixing the issues as well. Looking forward to your expertise!

NEED DONE NOW ASAP