Hook into skill tooltips?

[Trollwut]

Hi guys!

I'm planning on starting to create an addon. I just want to know if it's possible to hook into an abilities' tooltip to add some more lines?

Like:

Name: Best Skill Ever Cost: 123 Magicka MyLine: Here my text

[Fathis Ules]

Yeah I think you should hook around the global InformationTooltip

[Harven]

I think you should hook to SkillTooltip or SkillTooltipTopLevel. I just tried like this:

local f = SkillTooltip.SetSkillAbility
SkillTooltip.SetSkillAbility = function(self,...)
self:AddHeaderLine("test", "ZoFontGame", 1, TOOLTIP_HEADER_SIDE_LEFT, 1, 1, 1)
f(self,...)
end

and it displays "test" in a skill ability tooltip in the Skills window but not in the tooltip above the action bar.