public void Undo(int commandNumber)
{
string command = "";
int i = 0;
for (i = 0; i < commandNumber && undoElements.Count > 0; i++)
{
UndoRedoElement element = undoElements[undoElements.Count - 1];
undoElements.RemoveAt(undoElements.Count - 1);
command = element.TypeString;
bool executed;
if (element.Undo(out executed))
{
OnUndoComplete(element.TypeString, element.Args);
if (element.TypeString == "AddImageToDoc" || element.TypeString == "AddImageCurrentDoc")
{
if (executed)
{
redoElements.Add(element);
}
}
else
{
redoElements.Add(element);
}
if (element.TypeString == "RotateCW" || element.TypeString == "RotateCCW")
{
return;
}
}
else
{
return;
}
}
OnUndoEnd(command, i, 0);
}
