public void EndCloseInput(IAsyncResult result)
 {
     CloseInputAsyncResult.End(result);
 }
 public CallbackState(CloseInputAsyncResult result, InstanceContext instance)
 {
     this.result = result;
     this.instance = instance;
 }
 public CallbackState(CloseInputAsyncResult result, InstanceContext instance)
 {
     this.result   = result;
     this.instance = instance;
 }