public override void Execute()
{
using (SceneEditTransaction editTransaction = this.SceneViewModel.CreateEditTransaction(StringTable.UndoUnitMakeCompoundPath))
{
SceneElementSelectionSet elementSelectionSet = this.SceneViewModel.ElementSelectionSet;
List <PathElement> otherElements = new List <PathElement>();
foreach (SceneElement element in elementSelectionSet.Selection)
{
PathElement pathElement = element as PathElement;
if (pathElement != null)
{
otherElements.Add(pathElement);
}
else if (PathConversionHelper.CanConvert(element))
{
otherElements.Add(PathCommandHelper.ConvertToPath((BaseFrameworkElement)element));
}
}
editTransaction.Update();
this.DesignerContext.ActiveView.UpdateLayout();
otherElements.Sort((IComparer <PathElement>) new ZOrderComparer <PathElement>(this.SceneViewModel.RootNode));
elementSelectionSet.Clear();
PathElement mainElement = otherElements[0];
BaseFrameworkElement frameworkElement = (BaseFrameworkElement)otherElements[otherElements.Count - 1];
ISceneNodeCollection <SceneNode> collectionForChild = frameworkElement.ParentElement.GetCollectionForChild((SceneNode)frameworkElement);
int num = collectionForChild.IndexOf((SceneNode)frameworkElement);
SceneNode sceneNode = num + 1 < collectionForChild.Count ? collectionForChild[num + 1] : (SceneNode)null;
otherElements.RemoveAt(0);
PathCommandHelper.MakeCompoundPath(mainElement, otherElements, editTransaction);
mainElement.Remove();
if (sceneNode == null)
{
collectionForChild.Add((SceneNode)mainElement);
}
else
{
collectionForChild.Insert(collectionForChild.IndexOf(sceneNode), (SceneNode)mainElement);
}
elementSelectionSet.SetSelection((SceneElement)mainElement);
editTransaction.Commit();
}
}