public override void ValidateLayout()
{
Profiler.BeginSample(m_ProfileLayoutName);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.Styles);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.Layout);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.TransformClip);
Profiler.EndSample();
}
public override void ValidateLayout()
{
// Reentrancy proofing: ValidateLayout() could be in the code path of updaters.
// Actual case: TransformClip update phase recomputes elements under mouse, which does a pick, which validates layout.
// Updaters use version numbers for early exit, but it may happen that an updater invalidates a subsequent updater.
if (!m_ValidatingLayout)
{
m_ValidatingLayout = true;
Profiler.BeginSample(m_ProfileLayoutName);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.Styles);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.Layout);
m_VisualTreeUpdater.UpdateVisualTreePhase(VisualTreeUpdatePhase.TransformClip);
Profiler.EndSample();
m_ValidatingLayout = false;
}
}
