Grx.user_draw_vline

@accepts(int, int, int, Grx.Color)
@returns(none)
def user_draw_vline(x, y1, y2, c):
    # Python wrapper for grx_user_draw_vline()
  

Draws a vertical line on the current context from the starting coordinates to the ending coordinates using the specified color.

This is more efficient that using Grx.user_draw_line.