本地化，如何使用特定的resx

Today I'm playing with localization. I have a winforms app where I've set localizable to true on my screen, then I went and converted all the text to spanish as best as I could. So now I have my screen.resx and my screen.es.resx and everything looks good/bueno. How do I now run my app and have the spanish version come up? I tried going into regional and language options and setting my 'standards and formats' option to spanish. Now my dates are in spanish which is good, but the text on my app is still the english version. How do I get this thing to load with my screen.es.resx?Today I'm playing with localization. I have a w