WinFormTransValueDemoByDelOrEvent-yunyun20210423.rar

上传者: xqyunyun | 上传时间: 2021-04-24 09:02:02 | 文件大小: 35KB | 文件类型: RAR
C#winform窗体间传值,三种方法示例,注释详细。使用方法:使用vs2019打开编译运行即可; 工程中总共介绍了三种方法: 方法1:通过保存对象的引用调用其方法实现对子窗体的控制; 方法2:通过委托,在子窗体显示之前,为委托赋值,关注主窗体的数据变化,当有当有多个窗体需要接收信息,只需要为委托继续赋值(+=)即可,实现了数据传递的解耦性; 方法3:子窗体弹出来之前,注册事件,关注主窗体消息的变化,当有多个窗体需要接收信息,,只需要分别为窗体注册数据接收事件即可,实现了数据传递的解耦性;

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