Colours a line's background and its number - for errors, warnings, a debugger's current line and so on. Takes editor (An editor handle), line (The line, from 1), r (Red 0-255), g (Green 0-255), b (Blue 0-255), tooltip (Shown when the pointer is over the line ("" = none)).
editor
Int
line
Int
r
Int
g
Int
b
Int
tooltip
String
igiCodeEditorMarkLine(editor, 12, 220, 60, 60, "I don039;t know FORWRD")