How to check whether the tab header is in pressed state in TabControlAdv

Using HitTest method of VisualTreeHelper class, we can check whether the mouse cursor is in Header part of the TabControlExt or not. For instance, we have changed the state of the MainWindow, if the header area of the TabControlExt is clicked twice. The following code example illustrate the same,

Mainwindow.xaml:

Method to check whether the mouse cursor is in header area or not:

Mainwindow.cs:

Sample:

http://www.syncfusion.com/downloads/support/directtrac/general/ze/TabControlExt_HitTest_Sample-955247596.zip