gtkDrawVline
Draws a vertical line from (x, y1.) to (x, y2.) in window
using the given style and state.
WARNING: gtk_draw_vline has been deprecated since version 2.0 and should not be used in newly-written code. Use gtkPaintVline instead.
gtkDrawVline(object, window, state.type, y1, y2, x)
Derived by RGtkGen from GTK+ documentation
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.