如果你的意思是字段，然后没有。编译器注入本（的 ldarg.0 ）您是否使用它明确（this.foo）或隐式（富）。

If you mean fields, then no. The compiler injects "this" (ldarg.0) whether you use it explicitly (this.foo) or implicitly (foo).

它，然而，拿5个字符你的源代码等开发硬盘的字节屈指可数。它将使编译IL或运行时恰好零差价

It does, however, take 5 more characters in your source code... so a handful of bytes on your development hard disk. It will make exactly zero difference in the compiled IL or at runtime.

有两种情况，其中使用这个变化的东西：

There are two scenarios where use of "this" changes things:

• 当有同名的（ this.foo = foo的; ）的变量/参数


• 解决扩展方法（ this.SomeMethod（）;）当

• when there is a variable/parameter with the same name (this.foo = foo;)
• when resolving extension methods (this.SomeMethod();)