Converter string hexadecimal em inteiro

CSharp · Console

/Program.cs

using System;

public class Program {
 public static void Main() {
  int PanicButton = Convert.ToInt32("0x12".Replace("Panic Button: ", ""), 16);

  int TriggerButton = Convert.ToInt32("0x78".Replace("Trigger Button: ", ""), 16);

  Console.WriteLine(TriggerButton + "\n" + PanicButton);
 }
}