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You can expand and collapse the Windows, Processes, and Threads views using two methods: by clicking the icons in the window or by using the Tree menu. The + and – icons in the tree act as they do in the Visual C++ Project Workspace window.
The Tree menu contains four commands.
| Menu command | Description |
| Expand One Level | Expands the currently selected item to the next level. |
| Expand Branch | Fully expands the currently selected item. |
| Expand All | Fully expands all items in the window. |
| Collapse | Fully collapses the currently selected item. |
Tip If you expand a process, you see all the threads the process owns. If you expand a thread, you see a list of all the windows it owns.
To expand or collapse Spy++ trees