Thread thread = new Thread(new ThreadStart(getpic));
thread.Start();
private void showmessage()
{
Console.WriteLine("hello world");
}

Thread thread = new Thread(new ParameterizedThreadStart(showmessage));
string o = "hello";
thread.Start((object)o);
private static void showmessage(object message)
{
string temp = (string)message;
Console.WriteLine(message);
}

public class ThreadTest
{
private string str1;
private string str2;
public ThreadTest(string a, string b)
{
str1 = a;
str2 = b;
}
public void ThreadProc()
{
Console.WriteLine(str1 + str2);
}
}
public class Example {
public static void Main() 
{
ThreadTest tt = new ThreadTest("hello ", "world");
Thread thread = new Thread(new ThreadStart(tt.ThreadProc));
thread.Start();
}
}