// Token: 0x060048E1 RID: 18657 RVA: 0x0014AC70 File Offset: 0x00148E70
private static DependencyObject FindContextElement(BindingExpressionBase beb)
{
BindingExpression bindingExpression;
if ((bindingExpression = (beb as BindingExpression)) != null)
{
return(bindingExpression.ContextElement);
}
ReadOnlyCollection <BindingExpressionBase> readOnlyCollection = null;
MultiBindingExpression multiBindingExpression;
PriorityBindingExpression priorityBindingExpression;
if ((multiBindingExpression = (beb as MultiBindingExpression)) != null)
{
readOnlyCollection = multiBindingExpression.BindingExpressions;
}
else if ((priorityBindingExpression = (beb as PriorityBindingExpression)) != null)
{
readOnlyCollection = priorityBindingExpression.BindingExpressions;
}
if (readOnlyCollection != null)
{
foreach (BindingExpressionBase beb2 in readOnlyCollection)
{
DependencyObject dependencyObject = DataGridHelper.FindContextElement(beb2);
if (dependencyObject != null)
{
return(dependencyObject);
}
}
}
return(null);
}
// Token: 0x060048E0 RID: 18656 RVA: 0x0014AC24 File Offset: 0x00148E24
internal static bool BindingExpressionBelongsToElement <T>(BindingExpressionBase beb, T element) where T : FrameworkElement
{
DependencyObject targetElement = beb.TargetElement;
if (targetElement != null)
{
DependencyObject dependencyObject = DataGridHelper.FindContextElement(beb);
if (dependencyObject == null)
{
dependencyObject = targetElement;
}
if (dependencyObject is Visual || dependencyObject is Visual3D)
{
return(VisualTreeHelper.IsAncestorOf(element, dependencyObject, typeof(T)));
}
}
return(false);
}
