op.collapse

Syntax	op.collapse ()
Params	None required
Action	Hides all subheads at all levels under the current heading.
Returns	True if anything was collapsed, false otherwise.
Examples	In examples.Sample Outline 2, position the cursor bar at "Subhead 1.1" and execute: op.collapse ()    » true Notice that all of the subheads below Subhead 1.1 disappear from the display; the next heading appears to be Subhead 1.2. In examples.Sample Outline 1, position the cursor bar at "Subhead 2, Summit 2" and execute: op.collapse ()    » false The display does not change and the function returns false because this subhead had no subheads to collapse.
Errors	An attempt to collapse a heading with no visible subheads returns a result of false but it is not an error.
See Also	op.expand op.fullCollapse op.fullExpand