geDeleteAllInstViewLevel

geDeleteAllInstViewLevel( 
w_windowId 
)
=> t / nil

Removes all instance-specific view levels from a window.

w_windowId

Database ID of the window from which you want to remove the instance view levels.

`t`	View levels are found and deleted.
`nil`	No view levels are found.

Deletes all the instance view levels in the current window.

geDeleteAllInstViewLevel( )