//for loop ..
var localIndex = i;
var temp = new Thread(() => PrintOut(args[localIndex], IsFilePath(args[localIndex])));
temp.Start();
//for loop ..

for (var i = 0; i< args.Length; i++)
{
}

int i = 0;

loop:

if (i < args.Length)
{
    i++;
    goto loop;
}

for (var i = 0; i< args.Length; i++)
{
     var copy = i;
     Thread temp = new Thread(() => PrintOut(args[copy], IsFilePath(args[copy]))
}