[Help] Input values in textbox GUI using Sro_Devkit

[chipno0p]

Hello guys,
I have fews question about how can we control the values add in the GUi text box directly without filter needed.

1. How can I limit the value with added in textbox is number and maximum character is 8 character only?

2. How can I add comma into the showed value. like: 1000000 -> 1,000,000?

Thank you and hope someone can help me with those