C# 编程/关键字/add

add 和 remove 关键字允许您在将委托添加到事件或从事件中删除委托时执行代码。其用法类似于属性的 get 和 set 关键字。

public event MyDelegateType MyEvent
{
    add
    {
        // here you can use the keyword "value" to access the delegate that is being added
        ...
    }
    
    remove
    {
        // here you can use the keyword "value" to access the delegate that is being removed
        ...
    }
}

当将委托添加到事件时，add 块中的代码将被执行。类似地，当从事件中删除委托时，remove 块中的代码将被执行。

C# 关键字
abstract as base bool break byte case catch char checked class const continue decimal default delegate do double else enum event explicit extern false finally fixed float for foreach goto if implicit in int interface internal is lock long namespace new null object operator out override params private protected public readonly ref return sbyte sealed short sizeof stackalloc static string struct switch this throw true try typeof uint ulong unchecked unsafe ushort using var virtual void volatile while
特殊的 C# 标识符 (上下文关键字)
add alias async await dynamic get global nameof partial remove set value when where yield
上下文关键字 (用于查询)
ascending by descending equals from group in into join let on orderby select where