+
+ /**
+ Called directly by wxWindow::UnreserveControlId(), this function will
+ unreserve an ID or range of IDs that is currently reserved.
+ This should only be called for IDs returned by ReserveControlId() that
+ have NOT been assigned to a wxWindowIDRef (see @ref overview_windowids).
+
+ @param id
+ The first of the range of IDs to unreserve.
+ @param count
+ The number of sequential IDs to unreserve.
+
+ @return The value of the first ID in the sequence, or wxID_NONE.
+ */
+ static wxWindowID UnreserveControlId(wxWindowID id, int count = 1);