how to get path of resource.resx

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C#

hi all

i have built an windows form application,in which some strings are fetched from resource.resx file. while running in my own pc i can give the path of resource file like c:/myapp/resources.resx but after deploying and installing it on other computer how the code will know the path of the file.
i mean, is there any similiar method like server.mappath (web applications).
please help.
i have tried so far:

string appDir = System.Reflection.Assembly.GetExecutingAssembly().Location;
//string sResxPath = @"C:\Users\PC1\Documents\Visual Studio 2008\Projects\Instantsms\Instantsms\contacts.resx";
string sResxPath = System.IO.Path.Combine(appDir, "contacts.resx");