public void Purge(IUndoContext context)
{
lock (m_lockObject)
{
if (context == null)
{
UndoStack = new Stack <CUndoItem>(64);
RedoStack = new Stack <CUndoItem>(64);
}
else
{
UndoStack = new Stack <CUndoItem>(UndoStack.Where(item => item.UndoContext != context));
RedoStack = new Stack <CUndoItem>(RedoStack.Where(item => item.UndoContext != context));
}
}
}
public static void Purge(IUndoContext context)
{
Instance?.Purge(context);
}
