C#语言对电脑的蓝牙进行控制

【实例截图】

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Net.Sockets;
using OpenNETCF;
using OpenNETCF.Net;
using OpenNETCF.Net.Bluetooth;
using OpenNETCF.Net.Sockets;

namespace obextest
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
//Dims
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button2;
OpenNETCF.Net.BluetoothAddress btaddress;
OpenNETCF.Net.Sockets.BluetoothClient client;
OpenNETCF.Net.BluetoothEndPoint endpoint;
//Stream stream;
NetworkStream stream;
string BTMAC;
string BTName;

BluetoothDeviceInfo[] bdi; //temp

private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;

private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.Button button5;

/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;

public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();

//
// TODO: Add any constructor code after InitializeComponent call
//
}

/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null) 
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.button5 = new System.Windows.Forms.Button();
this.SuspendLayout();
// 
// button1
// 
this.button1.Location = new System.Drawing.Point(88, 40);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(96, 23);
this.button1.TabIndex = 0;
this.button1.Text = "send file";
this.button1.Click = new System.EventHandler(this.button1_Click);
// 
// textBox1
// 
this.textBox1.Location = new System.Drawing.Point(8, 120);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(312, 336);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
// 
// button2
// 
this.button2.Location = new System.Drawing.Point(88, 80);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(96, 23);
this.button2.TabIndex = 2;
this.button2.Text = "get default vcard";
this.button2.Click = new System.EventHandler(this.button2_Click);
// 
// button3
// 
this.button3.Location = new System.Drawing.Point(8, 80);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(72, 24);
this.button3.TabIndex = 3;
this.button3.Text = "Send vCard";
this.button3.Click = new System.EventHandler(this.button3_Click);
// 
// button4
// 
this.button4.Location = new System.Drawing.Point(8, 40);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(72, 23);
this.button4.TabIndex = 4;
this.button4.Text = "connect";
this.button4.Click = new System.EventHandler(this.button4_Click);
// 
// comboBox1
// 
this.comboBox1.Location = new System.Drawing.Point(8, 8);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(168, 21);
this.comboBox1.TabIndex = 5;
this.comboBox1.Text = "comboBox1";
this.comboBox1.SelectedIndexChanged = new System.EventHandler(this.comboBox1_SelectedIndexChanged);
// 
// button5
// 
this.button5.Location = new System.Drawing.Point(184, 8);
this.button5.Name = "button5";
this.button5.TabIndex = 6;
this.button5.Text = "Discover";
this.button5.Click = new System.EventHandler(this.button5_Click);
// 
// Form1
// 
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(328, 470);
this.Controls.Add(this.button5);
this.Controls.Add(this.comboBox1);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.Load = new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main() 
{
Application.Run(new Form1());
}

private void Form1_Load(object sender, System.EventArgs e)
{

discover();

comboBox1.DataSource = bdi;
comboBox1.DisplayMember = "DeviceName";

// phone bt address

BTMAC = bdi[comboBox1.SelectedIndex].DeviceID.ToString();
BTName = bdi[comboBox1.SelectedIndex].DeviceName.ToString();

//BTMAC = "00:09:2D:12:25:D2";

textBox1.Text = textBox1.Text "Connecting to " BTName " \r\n";

Application.DoEvents(); // update display

if (OBEXOpenStream(BTMAC))
{

if (OBEXConnect()) 
{
addtolog("Connected to OBEX Server");
} 
else 
{
textBox1.Text = textBox1.Text "Unable to connect\r\n";
}

OBEXCloseStream();
} 
else 
{ 
addtolog("Failed to connect to OBEX Server");
}

}

private bool OBEXOpenStream(string BTMAC)
{
// serial port UUID
Guid spguid = OpenNETCF.Net.Bluetooth.BluetoothService.ObexObjectPush;
btaddress = OpenNETCF.Net.BluetoothAddress.Parse(BTMAC);
client = new OpenNETCF.Net.Sockets.BluetoothClient();
// define endpoint
endpoint = new OpenNETCF.Net.BluetoothEndPoint(btaddress, spguid);

try
{
//open socket
client.Connect(endpoint);
}
catch(System.Exception e)
{
//unable to connect (server not listening on spguid)
return false;
}

//connect socket
stream = client.GetStream();
return true;
}

private void OBEXCloseStream()
{
stream.Close();
client.Close();
}

private bool OBEXConnect()
{
//send client request
byte[] ConnectPacket = new byte[7];

ConnectPacket[0] = 0x80; // Connect
ConnectPacket[1] = 0x00; // Packetlength Hi Byte
ConnectPacket[2] = 0x07; // Packetlength Lo Byte
ConnectPacket[3] = 0x10; // Obex v1
ConnectPacket[4] = 0x00; // no flags
ConnectPacket[5] = 0x20; // 8k max packet size Hi Byte
ConnectPacket[6] = 0x00; // 8k max packet size Lo Byte

stream.Write(ConnectPacket,0,ConnectPacket.Length);

//listen for server response
byte[] ReceiveBufferA = new byte[3];
stream.Read(ReceiveBufferA,0,3);

if (ReceiveBufferA[0] == 160) // 0xa0
{ 

//success, decode rest of packet
int plength = (0xff * ReceiveBufferA[1]) ReceiveBufferA[2]; //length of packet is...

//listen for rest of packet
byte[] ReceiveBufferB = new byte[plength-3];
stream.Read(ReceiveBufferB,0,plength-3);

int obver = ReceiveBufferB[0]; //server obex version (16 = v1.0)
int cflags = ReceiveBufferB[1]; //connect flags
int maxpack = (0xff * ReceiveBufferB[2]) ReceiveBufferB[3]; //max packet size

return true;
} 
else
{
return false;
}
}


private int OBEXRequest(string tReqType, string tName, string tType, string tFileContent)
{
//send client request

int i;
int offset;
int packetsize;
byte reqtype = 0x82;

int tTypeLen = 0x03;
int typeheadsize;
int typesizeHi = 0x00;
int typesizeLo = 0x03;

//tName = "contact.vcf";
//tType = "text/x-vCard";
//tFileContent = "BEGIN:VCARD\r\nVERSION:2.1\r\nN:;aardvark\r\nFN:aardvark\r\nEND:VCARD\r\n";

if (tReqType == "GET")
{
reqtype = 0x83; // 131 GET-Final
}

if (tReqType == "PUT")
{
reqtype = 0x82; // 130 PUT-Final
}

packetsize = 3;

//Name Header
int tNameLength = tName.Length;
int nameheadsize = (3 (tNameLength*2) 2); 
int namesizeHi = (nameheadsize & 0xff00)/0xff;
int namesizeLo = nameheadsize & 0x00ff;
packetsize = packetsize nameheadsize;

if (tType != "") 
{
//Type Header
tTypeLen = tType.Length;
typeheadsize = 3 tTypeLen 1;
typesizeHi = (typeheadsize & 0xff00)/0xff;
typesizeLo = typeheadsize & 0x00ff;
packetsize = packetsize typeheadsize;
}

//Body
int fileLen = tFileContent.Length;
int fileheadsize = 3 fileLen ;
int filesizeHi = (fileheadsize & 0xff00)/0xff;;
int filesizeLo = fileheadsize & 0x00ff;;

packetsize = packetsize fileheadsize;

int packetsizeHi = (packetsize & 0xff00)/0xff;
int packetsizeLo = packetsize & 0x00ff;

byte[] tSendByte = new byte[packetsize];

//PUT-final Header
tSendByte[0] = reqtype; // Request type e.g. PUT-final 130
tSendByte[1] = Convert.ToByte(packetsizeHi); // Packetlength Hi
tSendByte[2] = Convert.ToByte(packetsizeLo); // Packetlength Lo

offset = 2;

//Name Header
tSendByte[offset 1] = 0x01; // HI for Name header
tSendByte[offset 2] = Convert.ToByte(namesizeHi); // Length of Name header (2 bytes per char)
tSendByte[offset 3] = Convert.ToByte(namesizeLo); // Length of Name header (2 bytes per char)

// Name \n\n in unicode
byte[] tNameU = System.Text.Encoding.BigEndianUnicode.GetBytes(tName);
tNameU.CopyTo(tSendByte,offset 4);

offset = offset 3 (tNameLength*2);
tSendByte[offset 1] = 0x00; // null term
tSendByte[offset 2] = 0x00; // null term

offset = offset 2;

if (tType != "") 
{
//Type Header
tSendByte[offset 1] = 0x42; // HI for Type Header 66
tSendByte[offset 2] = Convert.ToByte(typesizeHi); // Length of Type Header
tSendByte[offset 3] = Convert.ToByte(typesizeLo); // Length of Type Header

for (i=0;i<=(tTypeLen-1);i ) 
{
tSendByte[offset 4 i] = Convert.ToByte(Convert.ToChar(tType.Substring(i,1)));
}
tSendByte[offset 3 tTypeLen 1] = 0x00; // null terminator

offset = offset 3 tTypeLen 1;
}

//Body
tSendByte[offset 1] = 0x49; //HI End of Body 73
tSendByte[offset 2] = Convert.ToByte(filesizeHi); //
tSendByte[offset 3] = Convert.ToByte(filesizeLo); //1k payload 3 for HI header

for (i=0;i<=(fileLen-1);i ) 
{
tSendByte[offset 4 i] = Convert.ToByte(Convert.ToChar(tFileContent.Substring(i,1)));
}
//tSendByte[offset 4 fileLen] = 0x00; // null terminator

offset = offset 3 fileLen;

stream.Write(tSendByte,0,tSendByte.Length );

//listen for server response

//TODO: can hang here forever waiting response...

bool x = stream.DataAvailable; // changed bluetoothclient - public NetworkStream GetStream()

byte[] tArray4 = new byte[3];
stream.Read(tArray4,0,3);

x = stream.DataAvailable;

if (tArray4[0] == 160) // 0xa0
{
int plength = (tArray4[1] * 256) tArray4[2] -3;
byte[] tArray5 = new byte[plength];
if (plength >0) 
{
stream.Read(tArray5,0,plength);
//TODO: data in returned packet to deal with
}
return 160;
}

if (tArray4[0] == 197) // 0xc5 Method not allowed
{
return 197;
}

if (tArray4[0] == 192) // 0xc0 Bad Request
{
return 192;
}

return 0;
}

private void button1_Click(object sender, System.EventArgs e)
{

//Send a file
addtolog("Sending File...");

if(OBEXOpenStream(BTMAC))
{

if (OBEXConnect())
{
//send client request, start put
string tName = "HelloWorld.txt";
string tType = "";
string tFileContent = "Hi this is a test!!";

int result = OBEXRequest("PUT",tName,tType,tFileContent);

switch (result)
{
case 160: // 0xa0
addtolog("OK");
break;

case 197: // 0xc5
addtolog("Method not allowed");
break;

case 192: // 0xc0
addtolog("Bad Request");
break;

default:
addtolog("Other Error");
break;
}
}

OBEXCloseStream();
} 
else 
{ 
addtolog("Failed to connect to OBEX Server"); 
}
}


private void button2_Click(object sender, System.EventArgs e)
{
/*
* Get Default vCard
* 
* Connect
* GET-final
* type header text/x-vCard
* Get Response
*/
addtolog("Get Default vCard...");

if(OBEXOpenStream(BTMAC)){

if (this.OBEXConnect())
{
//send client request, start put
string tName = "";
string tType = "text/x-vCard";
string tFileContent = "";

int result = OBEXRequest("GET",tName,tType,tFileContent);

switch (result)
{
case 160: // 0xa0
addtolog("OK");
break;

case 197: // 0xc5
addtolog("Method not allowed");
break;

case 192: // 0xc0
addtolog("Bad Request");
break;

default:
addtolog("Other Error");
break;
}
}

OBEXCloseStream();} 
else
{ 
addtolog("Failed to connect to OBEX Server");
}
}



private void button3_Click(object sender, System.EventArgs e)
{

// Send Contact as vcf file

addtolog("Sending Contact...");

if(OBEXOpenStream(BTMAC))
{
if (OBEXConnect())
{
string tName = "contact.vcf";
//string tType = "text/x-vCard";
string tType = "";
string tFileContent = "BEGIN:VCARD\r\nVERSION:2.1\r\nN:;aardvark\r\nFN:aardvark\r\nEND:VCARD\r\n";

int result = OBEXRequest("PUT",tName,tType,tFileContent);

switch (result)
{
case 160: // 0xa0
addtolog("OK");
break;

case 197: // 0xc5
addtolog("Method not allowed");
break;

case 192: // 0xc0
addtolog("Bad Request");
break;

default:
addtolog("other error");
break;
}
}

OBEXCloseStream();
} 
else 
{ 
addtolog("Failed to connect to OBEX Server");
}
}



private void button4_Click(object sender, System.EventArgs e)
{
//Test connect
addtolog("Connecting...");

if(OBEXOpenStream(BTMAC))
{

if (OBEXConnect()) 
{
addtolog("Connected");
} 
else 
{
addtolog("Unable to connect");
}

OBEXCloseStream();
} 
else 
{
addtolog("Failed to connect to OBEX Server");
}
}

private void addtolog(string msg)
{
textBox1.Text = textBox1.Text msg "\r\n";
Application.DoEvents(); // update display
}

private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{
BTMAC = bdi[comboBox1.SelectedIndex].DeviceID.ToString();
BTName = bdi[comboBox1.SelectedIndex].DeviceName.ToString();

//BTMAC = "00:09:2D:12:25:D2";

textBox1.Text = textBox1.Text "Connecting to " BTName " \r\n";

Application.DoEvents(); // update display

if (OBEXOpenStream(BTMAC))
{

if (OBEXConnect()) 
{
addtolog("Connected");
} 
else 
{
textBox1.Text = textBox1.Text "Unable to connect\r\n";
}

OBEXCloseStream();
} 
else 
{
addtolog("Failed to connect to OBEX Server");
}
}

private void button5_Click(object sender, System.EventArgs e)
{
discover();

comboBox1.DataSource = bdi;
comboBox1.DisplayMember = "DeviceName";
}

private void discover()
{
//discover devices
addtolog("Discovering Devices...");
BluetoothClient bc = new BluetoothClient(); 
bdi = bc.DiscoverDevices(20);
addtolog("Done, " bdi.Length " Devices found");
}



}

}