Flash MX 2004.
Library.deleteItem([namePath])
stringA string that specifies the name of the item to be deleted. If the item is in a folder, you can specify its name and path using slash notation. If you pass a folder name, the folder and all its items are deleted. If no name is specified, Flash deletes the currently selected item or items. To delete all the items in the Library panel, select all items before using this method. This parameter is optional.
true if the items are successfully deleted; false otherwise.
booleanMethod; Deletes the current items or a specified item from the Library panel. This method can affect multiple items if several are selected.
The following example deletes the currently selected item:
fl.getDocumentDOM().library.deleteItem();The following example deletes the item Symbol_1 from the library folder Folder_1:
fl.getDocumentDOM().library.deleteItem("Folder_1/Symbol_1");