internal static void ForEachParentAndNode <TNodeType>(DependencyObject node, Func <TNodeType, bool> callback) where TNodeType : class
{
foreach (DependencyObject dependencyObject in VisualTreeExtensions.GetVisualAncestorsAndSelf(node))
{
TNodeType nodeType = dependencyObject as TNodeType;
if ((object)nodeType != null && !callback(nodeType))
{
break;
}
}
}
internal static IUnparentedPopupProvider GetUnparentedPopupProvider(DependencyObject element)
{
IUnparentedPopupProvider unparentedPopupProvider = (IUnparentedPopupProvider)null;
foreach (DependencyObject dependencyObject in VisualTreeExtensions.GetVisualAncestorsAndSelf(element))
{
unparentedPopupProvider = dependencyObject as IUnparentedPopupProvider;
if (unparentedPopupProvider != null)
{
break;
}
}
return(unparentedPopupProvider);
}
private static Transform TransformToAncestorHelper(FrameworkElement element, DependencyObject parent, DependencyProperty property)
{
Matrix matrix = Matrix.Identity;
foreach (DependencyObject dependencyObject in VisualTreeExtensions.GetVisualAncestorsAndSelf((DependencyObject)element))
{
if (dependencyObject != parent)
{
Transform thisObject = (Transform)dependencyObject.GetValue(property);
if (thisObject != null)
{
matrix = MatrixHelper.Multiply(matrix, TransformExtensions.GetMatrix(thisObject));
}
}
else
{
break;
}
}
return((Transform)TransformExtensions.MakeMatrixTransform(matrix));
}