form1.cs

windows mobile 系统上GPRS连接的创建和删除等功能的演示代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsMobile.Status;
using System.Runtime.InteropServices;
using System.Net.Sockets;
using Microsoft.Win32;

namespace GPRSState
{
	

	public partial class Form1 : Form
	{
		[DllImport("cellcore.dll")]
		private static extern int ConnMgrEstablishConnectionSync(ref ConnectionInfo ci, ref IntPtr phConnection, uint dwTimeout, ref uint pdwStatus);

		const int S_OK = 0;
		const uint CONNMGR_PARAM_GUIDDESTNET = 0x1;
		const uint CONNMGR_FLAG_PROXY_HTTP = 0x1;
		const uint CONNMGR_PRIORITY_USERINTERACTIVE = 0x08000;
		const uint INFINITE = 0xffffffff;
		const uint CONNMGR_STATUS_CONNECTED = 0x10; 

		public Form1()
		{
			InitializeComponent();
		}

		private void button1_Click(object sender, EventArgs e)
		{
			
			try
			{
				ConnectionInfo ci = new ConnectionInfo();
				IntPtr phConnection = IntPtr.Zero;
				uint dwTimeout = 0xffffffff;
				uint statu = 0;

				ci.cbSize = (uint)Marshal.SizeOf(ci);
				ci.dwParams = CONNMGR_PARAM_GUIDDESTNET;
				ci.dwFlags = CONNMGR_FLAG_PROXY_HTTP;
				ci.dwPriority = CONNMGR_PRIORITY_USERINTERACTIVE;
				ci.bExclusive = 0;
				ci.bDisabled = 0;
				ci.guidDestNet = new Guid("436ef144-b4fb-4863-a041-8f905a62c572");
				ci.hWnd = IntPtr.Zero;
				ci.uMsg = 0;
				ci.lParam = 0;

				if (ConnMgrEstablishConnectionSync(ref ci, ref phConnection, dwTimeout, ref statu) != S_OK && statu != CONNMGR_STATUS_CONNECTED)
					MessageBox.Show("NO");
				else
					MessageBox.Show("OK");
			}
			catch(Exception ex)
			{
				MessageBox.Show(ex.ToString());
			}
			//ConnMgrEstablishConnectionSync(ref ci, ref phConnection, dwTimeout, ref statu);
		}

		private void button2_Click(object sender, EventArgs e)
		{
            //Application.Exit();
            this.Hide();
		}

		private void button3_Click(object sender, EventArgs e)
		{
			string[] connNames = GetAllConnNames();

			string s = "";
			int i = 1;

			foreach(string connName in connNames)
			{
				s += i.ToString() + ":" + connName + "\r\n";
				i++;
			}

			MessageBox.Show(s);
		}

		

		public void DoTcpConnection() 
		{ 
			string url = "www.msn.com"; 
			bool res = GPRSConnection.Setup("http://" + url + "/"); 
		}

		private void button4_Click(object sender, EventArgs e)
		{
			string pszWXMLin =
								"<wap-provisioningdoc>" +
								   "<characteristic type=\"CM_GPRSEntries\">" +
									  "<characteristic type=\"CMCC\">" +
										 "<parm name=\"DestId\" value=\"{436EF144-B4FB-4863-A041-8F905A62C572}\" />" +
										 "<characteristic type=\"DevSpecificCellular\">" +
											"<parm name=\"BearerInfoValid\" value=\"1\" />" +
											"<parm name=\"GPRSInfoValid\" value=\"1\" />" +
											"<parm name=\"GPRSInfoProtocolType\" value=\"2\" />" +
											"<parm name=\"GPRSInfoL2ProtocolType\" value=\"PPP\" />" +
											"<parm name=\"GPRSInfoAccessPointName\" value=\"cmnet\" />" +
											"<parm name=\"GPRSInfoAddress\" value=\"\" />" +
											"<parm name=\"GPRSInfoDataCompression\" value=\"1\" />" +
											"<parm name=\"GPRSInfoHeaderCompression\" value=\"1\" />" +
											"<parm name=\"GPRSInfoParameters\" value=\"\" />" +
										 "</characteristic>" +
									  "</characteristic>" +
								   "</characteristic>" +
								"</wap-provisioningdoc>";


			MessageBox.Show(ConfigWrapper.ProcessXml(pszWXMLin));
		}

		private void button5_Click(object sender, EventArgs e)
		{
			//查看是否在GPRS的覆盖范围内
			MessageBox.Show(SystemState.PhoneGprsCoverage.ToString());
		}

		private void button6_Click(object sender, EventArgs e)
		{
			object o = GetGPRSIsConned();

			MessageBox.Show(o.ToString());
		}

		private void button7_Click(object sender, EventArgs e)
		{
			MessageBox.Show(DeleteOneConn("aaa"));
		}

		private void button8_Click(object sender, EventArgs e)
		{
			if (DeleteAllConn(GetAllConnNames()))
			{
				MessageBox.Show("OK");
			}
			else
			{
				MessageBox.Show("NO");
			}
		}

		/// <summary>
		/// 删除所有的GPRS连接
		/// </summary>
		/// <param name="connNames"></param>
		/// <returns></returns>
		private bool DeleteAllConn(string[] connNames)
		{
			try
			{
				foreach (string connName in connNames)
				{
                    DeleteOneConn(connName);
				}
				return true;
			}
			catch 
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一个GPRS连接
		/// </summary>
		/// <param name="connName"></param>
		/// <returns></returns>
		private string DeleteOneConn(string connName)
		{
			string pszWXMLin = "<wap-provisioningdoc>" +
								   "<characteristic type=\"CM_GPRSEntries\">" +
									  "<nocharacteristic type=\"" + connName + "\"/>" +
								   "</characteristic>" +
								"</wap-provisioningdoc>";

			return ConfigWrapper.ProcessXml(pszWXMLin);
		}
		/// <summary>
		/// 读取注册表，获取GPRS是否已连接，返回0表示未连接，返回1表示已连接。
		/// </summary>
		/// <returns></returns>
		private object GetGPRSIsConned()
		{
			string ss = @"HKEY_LOCAL_MACHINE\System\State\Phone";
			return Registry.GetValue(ss, "Cellular System Connected", "Error");
		}

		/// <summary>
		/// 获取所有GPRS的连接名
		/// </summary>
		/// <returns></returns>
		private string[] GetAllConnNames()
		{
			RegistryKey rk = Registry.LocalMachine;
			RegistryKey rkConn = rk.OpenSubKey(@"Comm\ConnMgr\Providers\{7C4B7A38-5FF7-4bc1-80F6-5DA7870BB1AA}\Connections");

			return rkConn.GetSubKeyNames();
		}
	}

	[StructLayout(LayoutKind.Sequential)]
	public struct ConnectionInfo
	{
		public uint cbSize;
		public uint dwParams;
		public uint dwFlags;
		public uint dwPriority;
		public uint bExclusive;
		public uint bDisabled;
		public Guid guidDestNet;
		public IntPtr hWnd;
		public uint uMsg;
		public uint lParam;
		public uint ulMaxCost;
		public uint ulMinRcvBw;
		public uint ulMaxConnLatency;
	}
	
}