## ACTION

Action generated when the element is activated. Affects each element differently.

### Callback

    int function(Ihandle *ih); [in C]
    ih:action() -> (ret: number) [in Lua]

ih: identifier of the element that activated the event.

In some elements, this callback may receive more parameters, apart from ih. Please refer to each element's documentation.

### Affects

IupButton, IupItem, IupList, IupText, IupCanvas, IupMultiline, IupToggle