public SvgElement[] Redo()
{
ArrayList list1 = new ArrayList(0x10);
if (this.redostack.Count > 0)
{
IUndoOperation[] operationArray1 = (IUndoOperation[])this.redostack.Pop();
this.AcceptChanges = false;
IUndoOperation[] operationArray2 = operationArray1;
for (int num1 = 0; num1 < operationArray2.Length; num1++)
{
IUndoOperation operation1 = operationArray2[num1];
SvgElement element1 = null;
if (operation1 is UnDoOperation)
{
element1 = ((UnDoOperation)operation1).changeParent;
}
else if (operation1 is KeyUndoOperation)
{
element1 = ((KeyUndoOperation)operation1).ChangeElement;
}
if (!list1.Contains(element1))
{
list1.Add(element1);
}
operation1.Redo();
}
Array.Reverse(operationArray1);
this.undostack.Push(operationArray1);
this.OnActionRedone();
this.AcceptChanges = true;
}
if (list1.Count > 0)
{
SvgElement[] elementArray1 = new SvgElement[list1.Count];
list1.CopyTo(elementArray1);
return(elementArray1);
}
return(null);
}