[This is preliminary documentation and subject to change.]
The Handler is notified through this event when it has to be verified that the selected path is writable. If the path is not writable, it blocks further control events associated with the same control.
Handler.
The name of the property containing the path. If the property is indirected, the property name is enclosed in square brackets.
None.
The path is checked.
A PushButton control on a browse dialog is tied to this event in the ControlEvent table to check the selected path before returning to the selection dialog.