C#/.NET开发问题

How to reference right-clicked object in WPF Context Menu item click event handler?(如何在 WPF 上下文菜单项单击事件处理程序中引用右键单击的对象?)
In C#, why can#39;t I test if a event handler is null anywhere outside of the class that it#39;s defined?(在 C# 中,为什么我不能测试事件处理程序在它定义的类之外的任何地方是否为空?)
Notify when event from another class is triggered(当另一个类的事件被触发时通知)
How to fix the event delay(如何修复事件延迟)
UIElement.AddHandler() vs .Event += Definition(UIElement.AddHandler() 与 .Event += 定义)
Why to not use a custom class instead of inheriting the EventArgs class(为什么不使用自定义类而不是继承 EventArgs 类)
Actionlt;object, EventArgsgt; could not be cast to EventHandler?(动作lt;对象,EventArgsgt;无法转换为 EventHandler?)
Winforms user controls custom events(Winforms 用户控件自定义事件)
Pass a return value back through an EventHandler(通过 EventHandler 传回返回值)
Forwarding events in C#(在 C# 中转发事件)
Handling OnPropertyChanged(处理 OnPropertyChanged)
Add event handler dynamically having the delegate name in a string(在字符串中动态添加具有委托名称的事件处理程序)