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完成编辑框内添加删除按钮

上传者: nrahbsqtym | 上传时间:2017/8/2 11:47:41 | 文件大小:544KB | 文件类型:rar
完成编辑框内添加删除按钮
重写QLineEdit,完成编辑框添加删除按钮的功能,当编辑框获得焦点并且北荣不为空时。
删除按钮就会显示。
本软件ID:9699261

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