Hierarchy navigationview

FontFamily myFontFamily = new FontFamily("Segoe UI");
Font myFont = new Font(
myFontFamily,
12f,
FontStyle.Bold,
GraphicsUnit.Pixel);

for (int i = 0; i < this.radPageView1.Pages.Count; i++)
{
    RadPageViewPage currentPage = this.radPageView1.Pages[i];
    RadPageViewNavigationViewItem navigationViewItem = currentPage.Item as RadPageViewNavigationViewItem;
    if (navigationViewItem.Page.SubPages.Count > 0)
    {
        navigationViewItem.Font = myFont;
        navigationViewItem.ForeColor = Color.Red;
    }
}