Version

SelectedTabChanging Event

Occurs before the SelectedTab is changed.
Syntax
'Declaration
 
Public Event SelectedTabChanging As SelectedTabChangingEventHandler
public event SelectedTabChangingEventHandler SelectedTabChanging
Event Data

The event handler receives an argument of type SelectedTabChangingEventArgs containing data related to this event. The following SelectedTabChangingEventArgs properties provide information specific to this event.

PropertyDescription
Cancel (Inherited from System.ComponentModel.CancelEventArgs) 
Tab (Inherited from Infragistics.Win.UltraWinTabControl.CancelableTabEventArgs)Gets the tab to which these event parameters apply.
Example
The following code demonstrates how to access some of the information passed in the event arguments of the SelectedTabChanging event.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinTabs
Imports Infragistics.Win.UltraWinTabControl

Private Sub ultraTabControl1_SelectedTabChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTabControl.SelectedTabChangingEventArgs) Handles ultraTabControl1.SelectedTabChanging

    Dim dr As DialogResult
    dr = MessageBox.Show(Me, "The tab with text '" + e.Tab.Text + "' is about to be selected. Do you want to cancel selection?", "Cancelable Tab Event", MessageBoxButtons.YesNo)

    If dr = DialogResult.Yes Then
        e.Cancel = True
    End If
End Sub
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinTabs;
using Infragistics.Win.UltraWinTabControl;


private void ultraTabControl1_SelectedTabChanging(object sender, Infragistics.Win.UltraWinTabControl.SelectedTabChangingEventArgs e)
{
	DialogResult dr =  MessageBox.Show(this, "The tab with text '" + e.Tab.Text + "' is about to be selected. Do you want to cancel selection?", "Cancelable Tab Event", MessageBoxButtons.YesNo);

	if (dr == DialogResult.Yes)
		e.Cancel = true;
		
}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also