private TimelineTreeRow GetTimelineTreeRowUnderMouse()
{
if (this.view == null)
{
return((TimelineTreeRow)null);
}
PaletteRegistryEntry paletteRegistryEntry = this.view.DesignerContext.WindowService.PaletteRegistry["Designer_TimelinePane"];
if (paletteRegistryEntry != null && paletteRegistryEntry.IsVisible)
{
FrameworkElement content = paletteRegistryEntry.Content;
HitTestResult hitTestResult = VisualTreeHelper.HitTest((Visual)content, Mouse.GetPosition((IInputElement)content));
if (hitTestResult != null)
{
return((TimelineTreeRow)ElementUtilities.GetVisualTreeAncestorOfType(hitTestResult.VisualHit, typeof(TimelineTreeRow)));
}
}
return((TimelineTreeRow)null);
}