Mono.Cecil:从其他程序集中调用基类的方法 [英] Mono.Cecil: call base class' method from other assembly

问题描述

如何通过名称获取对基类的方法的MethodReference?

How can I get a MethodReference to a base class' method by name?

我尝试过

type.BaseType.Resolve().Methods;

，如果我将包含基类的dll添加到assemblyresolver中，它将返回方法. 但是，如果我使用

and if I add the dll containing the base class to the assemblyresolver it returns the methods. But if I add a call using

MSILWorker.Create(OpCodes.Call, baseMethod);

(其中baseMethod是通过解析的TypeDefinition中的foreaching方法找到的) 即使反射器冻结并退出，最终的IL也无法读取.

(where baseMethod was found by foreaching Methods from the resolved TypeDefinition) the resulting IL is unreadable, even Reflector freezes and quits.

现在有一些IL:
如果在类型上调用私有方法

Now some IL:
if calling private method on type:

 call instance void SomeNamespace.MyClass::RaisePropertyChanged(string)

如果基于基本类型调用受保护的方法

if calling protected method on base type:

call instance void [OtherAssembly]BaseNamespace.BaseClass::RaisePropertyChanged(string)

那么，如何使用Mono.Cecil生产后者?

So, how can I produce the latter using Mono.Cecil?

推荐答案

您猜到了，您需要获取一个适用于该模块的适当的MethodReference.因此，如果您有:

As you guessed, you need to get a proper MethodReference scoped for the module. So if you have:

TypeDefinition type = ...;
TypeDefintion baseType = type.BaseType.Resolve ();
MethodDefinition baseMethod = baseType.Methods.First (m => ...);

然后baseType和baseMethod是另一个模块的定义.您需要先导入对baseMethod的引用，然后再使用它:

Then baseType and baseMethod are definitions from another module. You need to import a reference to the baseMethod before using it:

MethodReference baseMethodReference = type.Module.Import (baseMethod);
il.Emit (OpCodes.Call, baseMethodReference);

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