[mono-cecil] setting product version

[Simon]

So when I set AssemblyInformationalVersionAttribute in code (as part of a 
compile) it appears in the files "Product version" when viewing properties 
in windows explorer.

However when set this attribute post compile with Cecil it does not show up 
in "Product version"

code is basically this 


        var customAttributes = ModuleDefinition.Assembly.CustomAttributes;
        var versionAttribute = GetVersionAttribute();
        var constructor = 
ModuleDefinition.Import(versionAttribute.Methods.First(x => 
x.IsConstructor));
        var customAttribute = new CustomAttribute(constructor);
        customAttribute.ConstructorArguments.Add(new 
CustomAttributeArgument(ModuleDefinition.TypeSystem.String, "Foo"));
        customAttributes.Add(customAttribute);

Obviously I am doing something wrong... any ideas?

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mono-cecil