public void SelectTab(TabContainer tab)
 {
     if (_tabs.Exists(x => x.Value == tab))
     {
         _activeTab = tab;
         _activeTab.Activated();
     }
 }
 public void SelectTab(TabContainer tab)
 {
     if (_tabs.Exists(x => x.Value == tab))
     {
         _activeTab = tab;
         _activeTab.Activated();
     }
 }