MouseOver Property (TabClientEvents)

Gets sets name of javascript function which is called when mouse is moved over tab, close button or scroll button.

Syntax

Visual Basic

'Declaration
 
Public Property MouseOver As String

C#

public string MouseOver {get; set;}

Remarks

Action (change of image or css class) of that event can be canceled. Second param in handler is instance of TabMouseEventArgs class, which provides information about TabItem or scroll button involved in event.

Example

Visual Basic

Me.WebTab1.ClientEvents.MouseOver = "WebTab1_MouseOver"

C#

this.WebTab1.ClientEvents.MouseOver = "WebTab1_MouseOver";

JScript

// The client event MouseOver takes two parameters sender and e
// sender  is the object which is raising the event
// e is the TabMouseEventArgs

function WebTab1_MouseOver(sender, e) {

    var tab =sender;

    //Gets the index of the tab involved in the MouseOver event
    var tabIndex = e.get_tabIndex();

    //Gets index of scroll button involved in mouse event. 
    //Possible values: 0 - right or top scroll button, 1 - left or bottom scroll button,
    // -1 - it is event over tab item or add-new-tab button
    var scrollButtonIndex = e.get_scrollButtonIndex();

    //Assuming you have a label called labelOutput on the form
    var label = $get('labelOutput');


    if (e.isAddNewTabButton()) {

            label.innerHTML = "Mouse over add new tab button";
    }
    else if (e.isCloseButton()) {
        label.innerHTML = "Mouse over close button with tab index" + tabIndex;
    }
    else
        if (tabIndex != -1) {

        label.innerHTML = "Mouse over the tab with index '" + tabIndex + "'";
    }
    else {

        if (scrollButtonIndex == 0) {
            label.innerHTML = "Mouse over the right scroll button";
        }
        else
            label.innerHTML = "Mouse over the left scroll button";
    }     

}

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