public static void RemoveAll <T>(this PlotterChildrenCollection children)
{
var childrenToDelete = children.OfType <T>().ToList();
foreach (var child in childrenToDelete)
{
children.Remove(child as IPlotterElement);
}
}
public static void BeginRemove(this PlotterChildrenCollection children, IPlotterElement child)
{
children.Plotter.Dispatcher.BeginInvoke(((Action)(() => { children.Remove(child); })), DispatcherPriority.Send);
}