Infragistics2.Win.UltraWinTabControl.v8.1
ActiveTabChangingEventHandler Delegate
See Also  Example
Infragistics.Win.UltraWinTabControl Namespace : ActiveTabChangingEventHandler Delegate

sender
e
Delegate for handling the UltraTabControlBase.ActiveTabChanging event.

Syntax

Visual Basic (Declaration) 
Public Delegate Sub ActiveTabChangingEventHandler( _
   ByVal sender As Object, _
   ByVal e As ActiveTabChangingEventArgs _
)
C# 
public delegate void ActiveTabChangingEventHandler( 
   object sender,
   ActiveTabChangingEventArgs e
)

Parameters

sender
e

Example

The following code demonstrates how to access some of the information passed in the event arguments of the ActiveTabChanging 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.

Visual BasicCopy Code
    Imports Infragistics.Win
    Imports Infragistics.Win.UltraWinTabs
    Imports Infragistics.Win.UltraWinTabControl


    Private Sub ultraTabControl1_ActiveTabChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTabControl.ActiveTabChangingEventArgs) Handles ultraTabControl1.ActiveTabChanging

        Dim dr As DialogResult

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

        If (dr = DialogResult.Yes) Then
            e.Cancel = True
        End If

    End Sub
C#Copy Code
       using System.Diagnostics;
       using Infragistics.Win;
       using Infragistics.Win.UltraWinTabs;
       using Infragistics.Win.UltraWinTabControl;


       private void ultraTabControl1_ActiveTabChanging(object sender, Infragistics.Win.UltraWinTabControl.ActiveTabChangingEventArgs e)
       {
           DialogResult dr =  MessageBox.Show(this, "The tab with text '" + e.Tab.Text + "' is about to be activated. Do you want to cancel activation?", "Cancelable Tab Event", MessageBoxButtons.YesNo);

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

See Also