ActiveTabChange Property

Gets sets name of javascript function which is called before active TabItem was changed.

Syntax

Visual Basic

'Declaration
 
Public Property ActiveTabChange As String

C#

public string ActiveTabChange {get; set;}

Remarks

Note: That event is raised only when EnableActivation property of WebTab is set to true.

Action can be canceled. Second param in handler is instance of TabItemCancelEventArgs class, which provides information about TabItem which is activated.

Example

Visual Basic

Me.WebTab1.EnableActivation = true

Me.WebTab1.ClientEvents.ActiveTabChange = "WebTab1_ActiveTabChange"

C++

this.WebTab1.EnableActivation = true;

this.WebTab1.ClientEvents.ActiveTabChange = "WebTab1_ActiveTabChange";

JScript

// The client event ActiveTabChange takes two parameters sender and e
// sender  is the object which is raising the event
// e is the TabItemCancelEventArgs

function WebTab1_ActiveTabChange(sender, e) {
    
    var tab = sender;
    //Gets the index of the tab raising the ActiveTabChange client event
    var tabIndex = e.get_tabIndex();
    //Gets the collection of tabs
    var tabs = tab.get_tabs();

    if (tabIndex == 2)
       //Cancels the client event if tab index is 2
        e.set_cancel(true);

}

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, 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