[mono-cecil] How to copy a method

[Simon Cropp]

I am trying to copy a very simple method from one type to another Type

So far I have this

        private MethodDefinition CopyMethod(MethodDefinition
templateMethod, TypeDefinition targetType)
        {
                        var newMethod = new 
MethodDefinition(templateMethod.Name,
templateMethod.Attributes, templateMethod.ReturnType);

                foreach (var parameterDefinition in templateMethod.Parameters)
                {
                        newMethod.Parameters.Add(parameterDefinition);
                }
                foreach (var instruction in templateMethod.Body.Instructions)
                {
                        newMethod.Body.Instructions.Add(instruction);
                }
                targetType.Methods.Add(newMethod);
                return newMethod;
        }

But I am getting a "Invalid Typeref token." when I try to execute the code.

Any pointers?

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mono-cecil