How do draw a parallel line

 

How do  draw a parallel line 

https://www.mql5.com/en/charts/2986065/eurusd-m5-gkfx-fx-cfds 

 

Draw the first line.

Select it.

Hold CTRL key while dragging the line. 

 
Manual in the chart or by code?
 
honest_knave:

Draw the first line.

Select it.

Hold CTRL key while dragging the line. 

i want to mql4 code 

 
i want to mql4 code 
 
gooly:
Manual in the chart or by code?
mq4 code
 

Read in the Documentation or the editor's reference about ObjectCreate and H-Line..

Google for some examples.