Gets the index of the previously selected tab item.
NuGet Package: DevExpress.Wpf.Core
A zero-based integer value that specifies the index of the previously selected tab item.
To obtain a data item that corresponds to the previously selected tab item, use the TabControlSelectionChangedEventArgs.OldSelectedItem property.
To obtain the index and data item of the currently selected tab item, use the TabControlSelectionChangedEventArgs.NewSelectedIndex and TabControlSelectionChangedEventArgs.NewSelectedItem properties, respectively.
Related GitHub Examples
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the OldSelectedIndex property.
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