namespace WindowsFormsApplication5 {
    public partial class Form1: Form {

        const string ApiKey = "Fmjtd%7Cluu8290125%2Cr2%3Do5-947alz  ";
        const string ApiServer = "http://open.mapquestapi.com/directions/v2/route";
        var parameters = new NameValueCollection {

                // These are required!

                { "key", ApiKey },

                { "from", from },

                { "to", to },



                // Avoid bad routes

                { "avoids", "limited access" },

                { "avoids", "Toll road" },

                { "avoids", "Unpaved" },

                { "avoids", "Ferry" },



                // These format the data to make it easy-to-parse

                { "outFormat", "xml" },

                { "unit", "k" },

                { "narrativeType", "none" },

                { "manMaps", "false" }

            };