Tv guidelinesnap

<<<George<<<Command Reference<<<Guidelines

//returns number < 0 if error
//returns the previous state (0|1) if "global" or index is used
//returns nothing if several guidelines changed
tv_guidelinesnap "global"|"all"|"line"|"circle"|"segment"|"grid"|...|index 0|1|"on"|"off"|"true"|"false"|"toggle"
//returns the global state or the state of the guideline
tv_guidelinesnap "global"|index