public MainWindow()
{
InitializeComponent();
MainMap.Mode = new AerialMode(true);
MainMap.Focus();
MainMap.Culture = "ar-sa";


}

private void MapWithPushpins_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
e.Handled = true;

Point mousePosition = e.GetPosition(this);
Location pinLocation = MainMap.ViewportPointToLocation(mousePosition);
Coordinates.Text = String.Format("{0:F5}", pinLocation.Latitude);

}