protected override object DeepCloneMe()
{
DocumentState cloned = new DocumentState();
cloned.LinkedDocument = this.LinkedDocument;
cloned.HasBeenDeleted = this.HasBeenDeleted;
cloned.Handle = this.Handle;
if (FileName != null)
cloned.FileName = FileName.Clone();
if (CustomData != null)
cloned.CustomData = CustomData.Clone();
return cloned;
}