source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/Auxiliary/PlotterChildrenCollectionExtensions.cs @ 13862

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Research.DynamicDataDisplay.Common;
using System.Windows.Threading;

namespace Microsoft.Research.DynamicDataDisplay
{
  public static class PlotterChildrenCollectionExtensions
  {
    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 BeginAdd(this PlotterChildrenCollection children, IPlotterElement child)
    {
      children.Plotter.Dispatcher.BeginInvoke(((Action)(() => { children.Add(child); })), DispatcherPriority.Send);
    }

    public static void BeginRemove(this PlotterChildrenCollection children, IPlotterElement child)
    {
      children.Plotter.Dispatcher.BeginInvoke(((Action)(() => { children.Remove(child); })), DispatcherPriority.Send);
    }
  }
}