public virtual void AddSubFolder(MemoFolder folder) { if (folder == this) { return; } _subFolders.Add(folder); }
public virtual void RemoveContainedFolder(MemoFolder folder) { _containedFolders.Remove(folder); }
public virtual void AddContainedFolder(MemoFolder folder) { _containedFolders.Add(folder); }
public virtual void RemoveSubFolder(MemoFolder folder) { _subFolders.Remove(folder); }