/// <summary>
/// Check whether UIElement is same or not.
/// </summary>
/// <param name="element1"></param>
/// <param name="element2"></param>
/// <returns></returns>
public static bool IsSameUIElement(this A11yElement element1, A11yElement element2)
{
if (element1 != null && element2 != null)
{
return(element1.IsSameUIElement(element2.RuntimeId, element2.BoundingRectangle, element2.ControlTypeId, element2.Name));
}
return(false);
}
/// <summary>
/// Select the specified element if it meets all eligibilty requirements
/// </summary>
/// <param name="element">The potential element to select</param>
/// <returns>true if the element was selected</returns>
protected bool SelectElementIfItIsEligible(A11yElement element)
{
if (element != null && !element.IsRootElement() &&
!element.IsSameUIElement(SelectedElementRuntimeId, SelectedBoundingRectangle, SelectedControlTypeId, SelectedName))
{
SelectedElementRuntimeId = element.RuntimeId;
SelectedBoundingRectangle = element.BoundingRectangle;
SelectedControlTypeId = element.ControlTypeId;
SelectedName = element.Name;
SetElement?.Invoke(element);
return(true);
}
return(false);
}
/// <summary>
/// Set Parent to build ancestry tree
/// </summary>
/// <param name="e"></param>
/// <param name="uniqueId"></param>
private void SetParent(A11yElement e, int uniqueId)
{
if (e == null || e.PlatformObject == null || e.IsRootElement())
{
return;
}
try
{
var puia = this.TreeWalker.GetParentElement((IUIAutomationElement)e.PlatformObject);
if (puia == null)
{
return;
}
#pragma warning disable CA2000 // Call IDisposable.Dispose()
var parent = new DesktopElement(puia, true, SetMembers);
parent.PopulateMinimumPropertiesForSelection();
// we need to avoid infinite loop of self reference as parent.
// it is a probably a bug in UIA or the target app.
if (e.IsSameUIElement(parent) == false)
{
parent.IsAncestorOfSelected = true;
parent.Children.Add(e);
e.Parent = parent;
this.Items.Add(parent);
parent.UniqueId = uniqueId;
SetParent(parent, uniqueId - 1);
}
#pragma warning restore CA2000
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
{
ex.ReportException();
// ignore to show the best efforts.
System.Diagnostics.Trace.WriteLine(ex);
}
#pragma warning restore CA1031 // Do not catch general exception types
}