Getting inactivity/idle time in a WPF application

Question

I was looking for the best approach to find out the if my users are idle in my WPF application. Currently, I take this idle time from operating system, and if they minimize

Answer 1

public MainWindow()
    {
        InitializeComponent();
        ComponentDispatcher.ThreadIdle += new System.EventHandler(ComponentDispatcher_ThreadIdle);
    }

void ComponentDispatcher_ThreadIdle(object sender, EventArgs e)
    {
        //do your idle stuff here
    }