Description: If ツォClick Itemツサ is a member of item list of an active ツォWindowツサ, then the value of this attribute is that ツォWindowツサ; otherwise it is NULL.
Description: The location of ツォClick Itemツサ is changed relative to the size of the owning ツォWindowツサ if and only if the value of this attribute is TRUE.
Description: The name of the method called when a click occurs on the ツォClick Itemツサ. ツォClick Itemツサ responds to clicks only if the value is a nonempty string.
Method inputs: <owning ツォWindowツサ>, ツォClick Itemツサ, <EventRecord of click>