TabAdding Property

Gets sets name of javascript function which is called before new tab was added.

Syntax

Visual Basic

'Declaration
 
Public Property TabAdding As String

C#

public string TabAdding {get; set;}

Remarks

Action can be canceled. Second param in handler is instance of TabItemCancelEventArgs class, which provides index of new TabItem. At this point TabItem is not created yet.

Example

Visual Basic

Me.WebTab1.ClientEvents.TabAdding = "WebTab1_TabAdding"

C#

this.WebTab1.ClientEvents.TabAdding = "WebTab1_TabAdding";

JScript

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

 function WebTab1_TabAdding(sender, e) {

        //Gets the index where a new tab is going to be added

           var tabIndex = e.get_tabIndex();

                      if (tabIndex>19)

                      //Cancels the TabAdding event if tab index greater than 19
                          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