.net - Find The Name Of The Default Resources File In C#?

I've created an attribute, similar to the ToolboxBitmapAttribute, that allows you to associate an Icon or Image to a class.

To associate an image, the resource file base name, a type (to find the assembly), and the name of the resource are passed to the attribute constructor. I then use the ResourceManager to get access to the resource:

Dim rm = New ResourceManager(ResourceFileBaseName, passedType.Assembly)
Dim obj = rm.GetObject(resourceName)

This is fine except that I want the option to pass just the resource name in the constructor, and omit the resource file base name. Then I would pick up the resource from the default resource file. When I say default resource file, I mean the one when you start Visual Studio, open the property pages and click the Resources tab.

The problem is, when developing in VB.Net, the base name is 'RootNamespace.Resources', and when developing in C#, the base name is 'Rootnamespace.Properties.Resources'.

Where can I programatically find the name of the default resource file?

Update

What I can do is get a list of all resource names:

t.Module.Assembly.GetManifestResourceNames

I can then look for a name that ends with Resources.resources and use that to build the resource file base name.