public void AddTab(Tab tab)
{
tab.PropertyChanged += new PropertyChangedEventHandler(tab_PropertyChanged);
pnlHeaders.Children.Add(tab);
if (tab.IsSelected)
ProcessSelectedTab(tab);
}
private void ProcessSelectedTab(Tab tab)
{
foreach (Tab t in pnlHeaders.Children)
t.IsSelected = t == tab;
pnlContent.Children.Clear();
if (tab.Tag != null)
pnlContent.Children.Add(tab.Tag);
if (SelectedTabChanged != null)
SelectedTabChanged(this, EventArgs.Empty);
}