# Events

This article lists the events specific for the TabControl.

The `DropDownOpened` event is raised when the drag drop menu of the control is opened. The event arguments are of type `DropDownEventArgs`.

The `DropDownClosed` event is raised when the drag drop menu of the control is closed. The event arguments are of type `DropDownEventArgs`.

#### **DropDownOpened event handler**

```C#
private void RadTabControl_DropDownOpened(object sender, DropDownEventArgs e)
{
}
```

The `ItemReordered` event is raised when an item is reordered while dragging. In order for this event to be raised, the `AllowDragReorder` property needs to be set to `true`. The event arguments are of type `ItemReorderedEventArgs`.

#### **ItemReordered event handler**

```C#
private void tabControl_ItemReordered(object sender, Telerik.UI.Xaml.Controls.TabControl.ItemReorderedEventArgs e)
{
}
```

## Tab Close Events

TabControl comes with several events related to its tab (closing)slug://radtabcontrol-pinandclose functionality.

The `PreviewTabClosed` event is raised when a tab item is about to be closed. The event arguments are of type `PreviewTabChangedEventArgs`.

#### **PreviewTabClosed event handler**

```C#
private void tabControl_PreviewTabClosed(object sender, Telerik.UI.Xaml.Controls.PreviewTabChangedEventArgs e)
{
}
```

The `TabClosed` event is raised when a tab item is closed. The event arguments are of type `TabChangedEventArgs`.

#### **TabClosed event handler**

```C#
private void tabControl_PreviewTabClosed(object sender, Telerik.UI.Xaml.Controls.TabChangedEventArgs e)
{
}
```

## Pin Tab Events

TabControl comes with several events related to its tab (pin/unpin)slug://radtabcontrol-pinandclose functionality.

The `PreviewTabPinned` event is raised when a tab item is about to be pinned. The event arguments are of type `PreviewTabChangedEventArgs`.

#### **PreviewTabPinned event handler**

```C#
private void tabControl_PreviewTabPinned(object sender, Telerik.UI.Xaml.Controls.TabChangedEventArgs e)
{
}
```

The `TabPinned` event is raised when a tab item is pinned. The event arguments are of type `TabChangedEventArgs`.

#### **TabPinned event handler**

```C#
private void tabControl_TabPinned(object sender, Telerik.UI.Xaml.Controls.TabChangedEventArgs e)
{
}
```

The `PreviewTabUnpinned` event is raised when a tab item is about to be unpinned. The event arguments are of type `PreviewTabChangedEventArgs`.

#### **PreviewTabUnpinned event handler**

```C#
private void tabControl_PreviewTabUnpinned(object sender, Telerik.UI.Xaml.Controls.TabChangedEventArgs e)
{
}
```

The `TabUnpinned` event is raised when a tab item is unpinned. The event arguments are of type `TabChangedEventArgs`.

#### **TabUnpinned event handler**

```C#
private void tabControl_TabUnpinned(object sender, Telerik.UI.Xaml.Controls.TabChangedEventArgs e)
{
}
```

## Selection Events

TabControl provides two events in regards to its selection: `PreviewSelectionChanged` and `SelectionChanged`.

#### **Handling the PreviewSelectionChanged Event**

```C#
private void RadTabControl_PreviewSelectionChanged(object sender, Telerik.UI.Xaml.Controls.RadSelectionChangedEventArgs e)
{
	// this will cancel the selection
	e.Handled = true;
}
```

The `SelectionChanged` event is raised after the selection has already completed.

#### **Implementing SelectionChanged event handler**

```C#
private void radTabControl_SelectionChanged( System.Object sender, Telerik.UI.Xaml.Controls.RadSelectionChangedEventArgs e )
{
}
```

## See Also

* [Getting Started](https://www.telerik.com/winui/documentation/controls/radtabcontrol/getting-started)
* [Data Binding](https://www.telerik.com/winui/documentation/controls/radtabcontrol/data-binding)
* [Preserve Selected Content](https://www.telerik.com/winui/documentation/controls/radtabcontrol/preserve-selected-content)