/// <summary>
/// We use this function to get the TabItemAutomationPeer associated with the TabItem
/// </summary>
/// <param name="item">TabItem that we are seeking to find the AutomationPeer for</param>
/// <returns>The TabItemAutomationPeer for the specified TabItem</returns>
internal static TabItemAutomationPeer GetTabItemAutomationPeer(TabItem item)
{
TabControlAutomationPeer tabControlPeer = TabControlAutomationPeer.FromElement(item.TabControlParent) as TabControlAutomationPeer;
if (tabControlPeer == null)
{
tabControlPeer = TabControlAutomationPeer.CreatePeerForElement(item.TabControlParent) as TabControlAutomationPeer;
}
if (tabControlPeer != null)
{
List <AutomationPeer> children = tabControlPeer.GetChildren();
if (children != null)
{
foreach (AutomationPeer peer in children)
{
TabItemAutomationPeer tabItemPeer = peer as TabItemAutomationPeer;
if (tabItemPeer != null && tabItemPeer.Owner == item)
{
return(tabItemPeer);
}
}
}
}
return(null);
}
public void TabControlAutomationPeerTest()
{
TabControl tabControl = new TabControl();
TabItem tabItem = new TabItem();
TabControlAutomationPeer peer = ((TabControlAutomationPeer)TabControlAutomationPeer.CreatePeerForElement(tabControl));
ISelectionProvider selector = (ISelectionProvider)peer.GetPattern(PatternInterface.Selection);
CreateAsyncTask(tabControl,
() => Assert.IsFalse(selector.CanSelectMultiple),
() => Assert.IsTrue(selector.IsSelectionRequired),
() => Assert.IsNull(selector.GetSelection()),
() => tabControl.Items.Add(tabItem),
() => Assert.IsNotNull(selector.GetSelection())
);
EnqueueTestComplete();
}