List/Tree Widget
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Revision as of 21:35, 9 January 2007 by FosterBrereton (Talk | contribs)
The tricky part of a tree controller/view is that you have a controller/view on a sequence. You need to figure out:
- How to communicate requests for changes to the sequence
- What those requests are
- How to communicate a change in the visible portion of the sequence to the view
Related Docs
Win32 Tree Control API Documentation (Tree View)
Carbon Tree Control API Documentation (Data Browser)
Request Types
| Request Type | Description | Single Node? | Multi Node? | Parent Target? |
|---|---|---|---|---|
| Insert | Create a new node in the tree | Y | Y | Y |
| Delete | Remove a node from the tree | Y | Y | N |
| Move | Change the parent of a node in the tree | Y | Y | Y |
| Visible Update | Notify the user of the sequence of nodes that are currently visible in the view | Y | Y | N |
