C#部分类
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C# partial class
提问by Partial
How do I program a partial class in C# in multiple files and in different namespaces?
如何在 C# 中的多个文件和不同的命名空间中编写分部类？
采纳答案by JP Alioto
You can't. From here...
你不能。从这里...
Using the partial keyword indicates that other parts of the class, struct, or interface can be defined within the namespace
使用 partial 关键字表示可以在命名空间内定义类、结构或接口的其他部分
Must be in the same namespace.
必须在同一个命名空间中。
Per comment: Here's an articlethat discusses defining a namespace cross multiple assemblies. From there ...
每条评论：这是一篇讨论跨多个程序集定义命名空间的文章。从那里 ...
Strictly speaking, assemblies and namespaces are orthogonal. That is, you can declare members of a single namespace across multiple assemblies, or declare multiple namespaces in a single assembly.
严格来说，程序集和命名空间是正交的。也就是说，您可以跨多个程序集声明单个命名空间的成员，或者在单个程序集中声明多个命名空间。
回答by Joey
You can't. A partial class means just that: A single class broken into several files. That also means that all files that this partial class consists of must have the same namespace. Otherwise it wouldn't be the same class anymore.
你不能。部分类意味着：单个类分成几个文件。这也意味着该分部类包含的所有文件都必须具有相同的命名空间。否则就不是同一个班了。
回答by C. Ross
You cannot have a partial class in multiple namespaces. Classes of the same name in different namespacesare by definition different classes.
您不能在多个命名空间中拥有分部类。不同命名空间中的同名类根据定义是不同的类。
回答by JohnIdol
A partial class (as any other class) needs to live in one single namespace (otherwise its another class).
分部类（与任何其他类一样）需要存在于一个命名空间中（否则是另一个类）。
To split it between different files just use the partial keyword after the access keyword:
要在不同的文件之间拆分它，只需在访问关键字后使用部分关键字：
// this bit of the class in a file
public partial class Employee
{
public void DoWork()
{
}
}
//this bit in another file
public partial class Employee
{
public void GoToLunch()
{
}
}
