Integrated Source Control feature
Each time a modification is saved, the IDE keeps track of it in the Local History. It’s always possible to restore a previous version of a program or other project resources from the Local History.
In order to consult the history of a given resource
1. right click on the project resource
2. choose Team > Show Local History from the pop-up menu
3. Click on one of the entries in the History View in order to load the specific version of the resource in the editor
In order to compare the current resource with a previous version (available only for text files)
1. right click on the project resource
2. choose Compare With > Local History... from the pop-up menu
In order to restore a previous version of a resource from the Local History
1. right click on the project resource
2. choose Replace With
3. choose either Local History... or Previous from Local History from the pop-up menu.