c# - 当程序集路径和版本不同时，Assembly.LoadFrom 返回相同的程序集

Question

想象一下这个场景:

var ass1 = Assembly.LoadFrom(@"C:\Work\3.59\assembly1.dll");
var ass2 = Assembly.LoadFrom(@"C:\Work\3.60\assembly1.dll");

Debug.Assert(ass1 != ass2);

上述断言失败。似乎第二个调用返回第一个程序集，即使上面的两个程序集具有不同的版本和位置。

程序集未命名且无法签名。

有没有办法强制框架将它们加载到相同的上下文和域中？

Answer 1

改用 Assembly.LoadFile(path)。

来自 MSDN

The LoadFrom method has the following disadvantages. Consider using Load instead.

If an assembly with the same identity is already loaded, LoadFrom returns the loaded assembly even if a different path was specified.

来自 CLR developer Suzanne Cook's blog :

If the assembly is not strongly-named, then the version is ignored for binding. But, if it is strongly-named, the entire version in the assembly reference needs to match the found assembly.