TabControlSelectionChangedEventArgs.OldSelectedIndex Property

Gets the index of the previously selected tab item.

Namespace: DevExpress.Xpf.Core

Assembly: DevExpress.Xpf.Core.v18.2.dll

Declaration

C#

public int OldSelectedIndex { get; }

VB.NET

Public ReadOnly Property OldSelectedIndex As Integer

Property Value

Type	Description
Int32	A zero-based integer value that specifies the index of the previously selected tab item.

Remarks

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.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-allow-hiding-only-the-selected-tab-items-e2151/CS/DXTabControl_AllowHideSelectedItem/MainWindow.xaml.cs#L15

private void tabControl_SelectionChanged(object sender, TabControlSelectionChangedEventArgs e) {
    DXTabItem oldItem = tabControl.GetTabItem(e.OldSelectedIndex);
    DXTabItem newItem = tabControl.GetTabItem(tabControl.SelectedIndex);

VB.NET

how-to-allow-hiding-only-the-selected-tab-items-e2151/VB/DXTabControl_AllowHideSelectedItem/MainWindow.xaml.vb#L17

Private Sub tabControl_SelectionChanged(ByVal sender As Object, ByVal e As TabControlSelectionChangedEventArgs)
    Dim oldItem As DXTabItem = tabControl.GetTabItem(e.OldSelectedIndex)
    Dim newItem As DXTabItem = tabControl.GetTabItem(tabControl.SelectedIndex)