Datasheet

Chapter 1: Introducing Xcode 4
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Figure 1.8
The button for selecting the Assistant option is in the grouping at the top right and looks like a light
bulb. It splits the editor into two panes and automatically displays a counterpart file whenever a file is
selected.
With the vertical split view and Assistant, you no longer need to manually switch between
counterparts or to work with the less efficient horizontal split view available in Xcode 3. This
feature is one of the most useful timesavers in Xcode 4. You also can manually a select a coun-
terpart or other file using a new contextual right-click menu, as shown in Figure 1.9.
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