//引用Hprose using Hprose.RPC; //定义服务器那边的接口 public interface Topapi{ public Hprose.Collections.Generic.NullableKeyDictionary<string,string> reg(object data); } //调用接口 private void 注册按钮_Click(object sender, EventArgs e) { Hprose.RPC.Client c = new Client("http://127.0.0.1/Topapi"); Topapi hello = c.UseService<Topapi>(); var obj = new {username = "123",password = "321" }; Hprose.Collections.Generic.NullableKeyDictionary<string, string> a = hello.reg(obj); MessageBox.Show(a["msg"]); }