/**
@class wxTreeItemId
- @wxheader{treebase.h}
An opaque reference to a tree item.
/**
@class wxTreeItemData
- @wxheader{treebase.h}
wxTreeItemData is some (arbitrary) user class associated with some item. The
main advantage of having this class is that wxTreeItemData objects are
/**
Virtual destructor.
*/
- ~wxTreeItemData();
+ virtual ~wxTreeItemData();
/**
Returns the item associated with this node.