如何在proxy_OpenReadCompleted方法中访问VIP？
void method1()
{
String VIP = "test";
WebClient proxy = new WebClient();
proxy.OpenReadCompleted += new OpenReadCompletedEventHandler(proxy_OpenReadCompleted);
String urlStr = "someurl/lookup?q=" + keyEntityName + "&fme=1&edo=1&edi=1";
}
void proxy_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
}