All the sources codes "But why ?"page 27

if (hyperLink.Enabled != false)
{
	hyperLink.Enabled = false;
}

loop: a++;
        ......
        if(a<10){
          goto loop;
        }else{
          goto endloop;
        }
endloop: .....

public bool IsTrue(bool b)
{
        if (b == true)
        {
                return true;
        }
        return false;
}