ActivationChanging Property (DataTreeClientEvents)

This event is fired, before a change in the activation occur.

Syntax

Visual Basic

'Declaration
 
Public Property ActivationChanging As String

C#

public string ActivationChanging {get; set;}

Example

Visual Basic

WebDataTree1.ClientEvents.ActivationChanging = "WebDataTree_ActivationChanging"

C#

WebDataTree1.ClientEvents.ActivationChanging = "WebDataTree_ActivationChanging";

JScript

// The client event 'ActivationChanging' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DataTreeActivationEventArgs

function WebDataTree_ActivationChanging(sender, e) {
    //Gets the new active Node object
    var newActiveNode = e.getNewActiveNode();

    //Gets the text of the new active node
    var newNodeText = newActiveNode.get_text();

    if (!confirm("Are you sure you want to activate the node'" + newNodeText + "'?"))
    //Cancels the ActivationChanging event
        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