Returns TRUE if the object is checked. FALSE if it is unchecked.
If the JavaSwtListView has no check boxes, Silk Test Classic raises the exception E_WINDOW_TYPE_MISMATCH.
If you do not find an item in the JavaSwtListView widget, due to an incorrect index or item text, Silk Test Classic raises the exception E_ITEM_NOT_FOUND.
This method is supported only in scripts that use the Classic Agent.