protected override void initializeSideBarData()
{
if (this.SideBar != null && this.Service != null)
{
((BrowserSideBar)SideBar).GroupCatagoryGroup.GroupCatagoryListBox.ItemsSource = SubjectType.GetCategories();
((BrowserSideBar)SideBar).RemoveGroup(((BrowserSideBar)SideBar).GroupGroup);
((BrowserSideBar)SideBar).AddGroup(((BrowserSideBar)SideBar).GroupCatagoryGroup);
}
}
