Description: If ツォCheck Box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: When the value of this attribute is FALSE, the text appearing to the right of the check box is drawn gray, and it does not respond to clicks.
Side effects: Setting causes ツォCheck Boxツサ to be redrawn.
Description: The location of ツォCheck Box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Check Boxツサ. ツォCheck Boxツサ responds to clicks only if the value is a nonempty string.
Method inputs: <owning ツォWindowツサ>, ツォCheck Boxツサ, <boolean: new value of Check Box>, <EventRecord of click>
Description: An X is drawn in the ツォCheck Boxツサ if and only if the value of this attribute is TRUE. Clicking on ツォCheck Boxツサ sets the value of this attribute by inverting its current value.
Side effects: Setting causes the display of ツォCheck Boxツサ to be updated.