I have gone through your requirements and understand that you need to connect the buttons with chart. We have experience in C# / DevExpress.
Kindly message when available so we can discuss further. Thanks!
Hi
I'm c# developer with 12 years experience on .net framework and related tools.
Also I have experience to work with devexpress component.
I can do it for you.
please send a message for me to have discussion about details