wince下gprs上网自动拨号的代码，不过首先要在注册表建个拨号连接,wince automatic dial-up Internet access under the gprs code, but we must first build a dial-up connection in the registry

wince5.0系统下的GPRS拨号连接的C#源码，有两种方法实现，分别在两个窗体里面写有例子。可以判断当前存在的活动的连接以及连接的状态，可以进行进行拨号连接，可以断开已经存在的连接。注意若拨号成功后不能上网，需要去掉USB与主机的连接。-GPRS dial-up connection wince5.0 System C# source code, there are two ways to achieve, there are examples written in both form in

用于Win CE 6.0手持机，自动检测是否存在GPRS连接，不存在则建立连接拨号上网，实时监测网络连接情况，发现网络断开则会自动连接拨号上网。-For Win CE 6.0 handheld, automatically detects whether there is a GPRS connection, there is no dial-up connection is established, real-time monitoring of network connectivity, f