thx mlsiqnups!!
it looks like it worked... :D
_SECTION_BEGIN("stochastic 4 hourly");
TimeFrameSet(4*inHourly);
slow=StochD(5,3,3);
fast=StochK(5,3);
TimeFrameRestore();
_SECTION_END();
Buy=TimeFrameExpand(slow, 4*inHourly) < TimeFrameExpand(fast, 4*inHourly);