if (button3.Text == "Stress Components")
            {
                Thread[] threads = new Thread[Environment.ProcessorCount];
                for (int i = 0; i < Environment.ProcessorCount; i++)
                {
                    threads[i] = new Thread(StressTestCPU);
                    threads[i].Start();
                }
                button3.Text = "Cancel";
            }
            else
            {
                for (int i = 0; i < Environment.ProcessorCount; i++)
                {
                    threads[i].Abort(); // Error here
                }
                button3.Text = "Stress Components";
            }

#include <stdlib.h>
#include <stdio.h>
#include <math.h>

int main(void)
{
     srand((unsigned int) time(0)); // sets the seed

     // random integer 0 -> n

     x = rand()% (n+1); 

     // random double between a and b

     y = ((double)rand()/RAND_MAX)*(b-a) +a; 
}