https://blog.naver.com/goldrushing/130147613109

string p1 = "string param.";

long p2 = 1234567;

int p3 = 1234;

object args = new object[3] { p1, p2, p3 };

Thread b1 = new Thread(new ParameterizedThreadStart(test));

b1.Start(args);

...

private void test(object args)

{

   Array argArray = new object[3];

   argArray = (Array)args;

   string p1 = (string)argArray.GetValue(0);

   long p2 = (long)argArray.GetValue(1);

   int p3 = (int)argArray.GetValue(2);

   ...//수행할 Thread내용

}