Retrieve images from resx file.

I have inserted some images in the Global resource file. I use these images very frequently. Now I have retrieve the images and show in to page. Im using following code to retrieve the images,
but I requires two parameter one is class name and another if file path. I have the class name but I dont have the path name. Please advise me what to do?

Image1.ImageUrl = (String)GetGlobalResourceObject("GlobalCommonResource", "OdessaLogo1");
Image1.Visible = true;

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