/// <summary>
/// Determine if the given point is on an adorner.
/// </summary>
/// <param name="point">point to test</param>
/// <returns>AdornerHitTestResult containing the hit visual and the adorner that visual
/// is part of. If the no adorner was hit, null is returned</returns>
public AdornerHitTestResult AdornerHitTest(Point point)
{
PointHitTestResult result = VisualTreeUtils.AsNearestPointHitTestResult(VisualTreeHelper.HitTest(this, point, false));
if (result != null && result.VisualHit != null)
{
Visual visual = result.VisualHit;
while (visual != this)
{
if (visual is Adorner)
{
return(new AdornerHitTestResult(result.VisualHit, result.PointHit, visual as Adorner));
}
// we intentionally separate adorners from spanning 3D boundaries
// and if the parent is ever 3D there was a mistake
visual = (Visual)VisualTreeHelper.GetParent(visual);
}
return(null);
}
else
{
return(null);
}
}
internal static Visual GetElementFromPoint(IntPtr hwnd, Visual root, Point pointScreen)
{
HwndSource hwndSource = HwndSource.CriticalFromHwnd(hwnd);
if (hwndSource == null)
{
return(null);
}
Point pointClient = PointUtil.ScreenToClient(pointScreen, hwndSource);
Point pointRoot = PointUtil.ClientToRoot(pointClient, hwndSource);
PointHitTestResult result = VisualTreeUtils.AsNearestPointHitTestResult(VisualTreeHelper.HitTest(root, pointRoot));
Visual visual = (result != null) ? result.VisualHit : null;
return(visual);
}
/// <summary>Gets an <see cref="T:System.Windows.Media.AdornerHitTestResult" /> for a specified point.</summary>
/// <param name="point">The point to hit test.</param>
/// <returns>An <see cref="T:System.Windows.Media.AdornerHitTestResult" /> for the specified point.</returns>
// Token: 0x06002AB0 RID: 10928 RVA: 0x000C2FA0 File Offset: 0x000C11A0
public AdornerHitTestResult AdornerHitTest(Point point)
{
PointHitTestResult pointHitTestResult = VisualTreeUtils.AsNearestPointHitTestResult(VisualTreeHelper.HitTest(this, point, false));
if (pointHitTestResult != null && pointHitTestResult.VisualHit != null)
{
for (Visual visual = pointHitTestResult.VisualHit; visual != this; visual = (Visual)VisualTreeHelper.GetParent(visual))
{
if (visual is Adorner)
{
return(new AdornerHitTestResult(pointHitTestResult.VisualHit, pointHitTestResult.PointHit, visual as Adorner));
}
}
return(null);
}
return(null);
}
