I am making a mission where I try to draw lines on the in-game map, but nothing is drawn. The script is similar to the drawLine example from the wiki.
(findDisplay 12 displayCtrl 51) ctrlAddEventHandler ["Draw",
{
(_this select 0) drawLine [
getPos player, [0,0,0], [0,0,1,1]
];
}]; {F24175}