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### 10.4 Simulating speedbar without an extra frame

You can simulate a speedbar-like layout within ONE frame by doing the following:

1. Customize `ecb-layout-name` to layout name “left9”, “left12”, “left13” or “left14” dependent to what you like.
2. Optional: Ensure that `ecb-compile-window-height` is nil.
3. Optional: Adjust the `ecb-windows-width`.
4. Optional: Customize `ecb-toggle-layout-sequence` and toggle very fast between several layouts by `ecb-toggle-layout`. See the doc-strings!
5. Optional: Customize `ecb-show-sources-in-directories-buffer` to not nil if the chosen layout (see 1. and 4.) contains a directories-tree-buffer.
6. Save your changes.

But not only simulating speedbar is possible but also full integrating it into the ECB and the ECB-frame, See Integrating speedbar.