PreClick

Run immediately before the button's OnClick handler with the same arguments. Useful for processing clicks on a button without interfering with handlers inherited from a secure template. For further details, see the example under OnClick.


Signature:

Arguments:

• self - Reference to the widget for which the script was run (button)
  
• button - Name of the mouse button responsible for the click action (string)
  Button4
  • Button5
  • LeftButton
  • MiddleButton
  • RightButton
  
  
• down - True for a mouse button down action; false for button up or other actions (boolean)

Examples:

if InCombatLockdown() then
return
end

local class = select(2, UnitClass("target"))
local spell
if class == "WARRIOR" then
spell = "Blessing of Kings"
elseif class == "ROGUE" then
spell = "Blessing of Might"
else
spell = "Blessing of Wisdom"
end

self:SetAttribute("spell", spell)

Доступна для: Button, CheckButton