/// <summary>
/// Gets the control pattern for the AutoCompleteBox that is associated
/// with this AutoCompleteBoxAutomationPeer.
/// </summary>
/// <param name="patternInterface">The desired PatternInterface.</param>
/// <returns>The desired AutomationPeer or null.</returns>
public override object GetPattern(PatternInterface patternInterface)
{
object iface = null;
Controls.AutoCompleteBox owner = OwnerAutoCompleteBox;
if (patternInterface == PatternInterface.Value)
{
iface = this;
}
else if (patternInterface == PatternInterface.ExpandCollapse)
{
iface = this;
}
else if (owner.SelectionAdapter != null)
{
AutomationPeer peer = owner.SelectionAdapter.CreateAutomationPeer();
if (peer != null)
{
iface = peer.GetPattern(patternInterface);
}
}
if (iface == null)
{
iface = base.GetPattern(patternInterface);
}
return(iface);
}
protected override List <AutomationPeer> GetChildrenCore()
{
List <AutomationPeer> children = new List <AutomationPeer>();
Controls.AutoCompleteBox owner = OwnerAutoCompleteBox;
// TextBox part.
TextBox textBox = owner.TextBox;
if (textBox != null)
{
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(textBox);
if (peer != null)
{
children.Insert(0, peer);
}
}
// Include SelectionAdapter's children.
if (owner.SelectionAdapter != null)
{
AutomationPeer selectionAdapterPeer = owner.SelectionAdapter.CreateAutomationPeer();
if (selectionAdapterPeer != null)
{
List <AutomationPeer> listChildren = selectionAdapterPeer.GetChildren();
if (listChildren != null)
{
foreach (AutomationPeer child in listChildren)
{
children.Add(child);
}
}
}
}
return(children);
}
/// <summary>
/// Initializes a new instance of the AutoCompleteBoxAutomationPeer
/// class.
/// </summary>
/// <param name="owner">
/// The AutoCompleteBox that is associated with this
/// AutoCompleteBoxAutomationPeer.
/// </param>
public AutoCompleteBoxAutomationPeer(Controls.AutoCompleteBox owner)
: base(owner)
{
}
