How to draw a line with a length?

[okwh]

now Mql4 draw a line or a ray line.

how to draw a line with two points and only inside two pints not extent out?

In other word i only want to draw a line segment.

[Ralph Ronnquist]

ObjectSet( .., OBJPROP_RAY, false );

[Bogdan Caramalac]

I draw a triangle with collinear peaks.