form1.cs

本站的wince代码比较少

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsCE.Forms;
using System.Runtime.InteropServices;
using System.Net.Sockets;
using System.IO;
using Microsoft.WindowsMobile.SharedSource.Bluetooth;


namespace BluetoothTest
{
    public partial class Form1 : Form
    {
        private MsgWindow MsgWin;

        BluetoothRadio btr;

        [DllImport("BthHelper")]
        private static extern bool PopulateBtDevList(IntPtr hWnd);

        public Form1()
        {
            btr = new BluetoothRadio();

            #region Service code
            InitializeComponent();
            MsgWin = new MsgWindow(this);
            myServiceGUID = new Guid("{BE6D2F78-137F-49b3-A7BF-8FB00740D050}");
            bts = new BluetoothService(myServiceGUID);
            bts.Start();
            #endregion

           
         }

        private void RefreshData()
        {
            Cursor.Current = Cursors.WaitCursor;

            // Get the radio state
            RadioState.Text = btr.BluetoothRadioMode.ToString();

            // Enumerate paired devices
            PairedDevices.Items.Clear();

            foreach (BluetoothDevice btd in btr.PairedDevices)
            {
                PairedDevices.Items.Add(btd.Name);
            }

            // Refresh In Range list
            PopulateBtDevList(MsgWin.Hwnd);


            Cursor.Current = Cursors.Default;
        }

        private void ToggleRadio_Click(object sender, EventArgs e)
        {
            // Change the current Radio state and update the display
            switch (btr.BluetoothRadioMode)
            {
                case BluetoothRadioMode.Discoverable:
                    btr.BluetoothRadioMode = BluetoothRadioMode.Off;
                    break;
                case BluetoothRadioMode.Off:
                    btr.BluetoothRadioMode = BluetoothRadioMode.On;
                    break;
                case BluetoothRadioMode.On:
                    btr.BluetoothRadioMode = BluetoothRadioMode.Discoverable;
                    break;
            }

            this.RadioState.Text = btr.BluetoothRadioMode.ToString();
        }

        unsafe internal void RespondToMessage(int p, int p_2)
        {
            StringBuilder sb = new StringBuilder();
            char* StringPtr = (char*)p_2;
            while (*StringPtr!='\0')
            {
                sb.Append(*StringPtr);
                StringPtr++;
            }
            InRange.Items.Add(sb.ToString());
        }

        #region Plumbing code
        private void menuItem2_Click(object sender, EventArgs e)
        {
            RefreshData();
        }
        private void menuItem1_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (bts.ConnectionPending)
            {
                NetworkStream ns = bts.AcceptConnection();
                StreamReader sr = new StreamReader(ns);
                String Message = sr.ReadLine();
                MessageBox.Show(Message, "Recieved Message");
                ns.Close();
            }
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            RefreshData();
            timer1.Interval = 1000;
            timer1.Enabled = true;
        }

        private BluetoothService bts;
        private Guid myServiceGUID;
        #endregion
    }


    public class MsgWindow : MessageWindow
    {
        // Assign integers to messages.
        // Note that custom Window messages start at WM_USER = 0x400.
        public const int WM_USER = 0x0400;

        // Create an instance of the form.
        private Form1 msgform;

        // Save a reference to the form so it can
        // be notified when messages are received.
        public MsgWindow(Form1 msgform)
        {
            this.msgform = msgform;
        }

        // Override the default WndProc behavior to examine messages.
        protected override void WndProc(ref Message msg)
        {
            switch (msg.Msg)
            {
                // If message is of interest, invoke the method on the form that
                // functions as a callback to perform actions in response to the message.
                case WM_USER+101:
                    this.msgform.RespondToMessage((int)msg.WParam, (int)msg.LParam);
                    break;
            }
            // Call the base WndProc method
            // to process any messages not handled.
            base.WndProc(ref msg);
        }
    }

}