protected override List <AutomationPeer> GetChildrenCore()
{
// Call the base in case we have children in the header
var headerChildren = base.GetChildrenCore();
// Only if the TabItem is selected we need to add its visual children
if (!(GetWrapper() is TabItem tabItem) ||
tabItem.IsSelected == false)
{
return(headerChildren);
}
if (!(ItemsControlAutomationPeer.Owner is TabControlEx parentTabControl))
{
return(headerChildren);
}
var contentHost = parentTabControl.FindChildContentPresenter(tabItem.Content, tabItem);
if (contentHost is not null)
{
var contentHostPeer = new FrameworkElementAutomationPeer(contentHost);
var contentChildren = contentHostPeer.GetChildren();
if (contentChildren is not null)
{
if (headerChildren is null)
{
headerChildren = contentChildren;
}
else
{
headerChildren.AddRange(contentChildren);
}
}
}
return(headerChildren);
}
/// <inheritdoc />
protected override List <AutomationPeer> GetChildrenCore()
{
var children = GetHeaderChildren() ?? new List <AutomationPeer>();
if (this.OwningBackstageTabItem.IsSelected == false)
{
return(children);
}
if (this.OwningBackstageTabItem.TabControlParent?.SelectedContentHost != null)
{
var contentHostPeer = new FrameworkElementAutomationPeer(this.OwningBackstageTabItem.TabControlParent.SelectedContentHost);
var contentChildren = contentHostPeer.GetChildren();
if (contentChildren != null)
{
children.AddRange(contentChildren);
}
}
return(children);
List <AutomationPeer> GetHeaderChildren()
{
if (this.OwningBackstageTabItem.Header is string)
{
return(null);
}
if (this.OwningBackstageTabItem.HeaderContentHost != null)
{
return(new FrameworkElementAutomationPeer(this.OwningBackstageTabItem.HeaderContentHost).GetChildren());
}
return(null);
}
}
