text: //
  //  ZZCustomPreviewController.h
  //  ZZPreviewControllerDemo
  //
  //  Created by liuweizhen on 2017/10/13.
  //  Copyright © 2017年 liuxing8807@126.com. All rights reserved.
  //
  
  #import "ZZPreViewController.h"
  
  @interface ZZCustomPreviewController : ZZPreViewController
  
  - (void)showCustomView;
  - (void)dismissCustomView;
  @end
  