form1.cs

通过IP点对点地址远程进行点对点的视频会议

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.Drawing.Imaging;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;

namespace Video_Conference
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
        private System.Windows.Forms.SaveFileDialog saveFileDialog1;
        internal PictureBox picture_comming;
        private TextBox IP_textBox;
        private Label label1;
        private TextBox device_number_textBox;
        private Label label2;
        private Button button1;
        private Button button2;
        private System.Windows.Forms.Timer timer1; 
		
		#region WebCam API
		const short WM_CAP = 1024; 
		const int WM_CAP_DRIVER_CONNECT = WM_CAP + 10; 
		const int WM_CAP_DRIVER_DISCONNECT = WM_CAP + 11; 
		const int WM_CAP_EDIT_COPY = WM_CAP + 30; 
		const int WM_CAP_SET_PREVIEW = WM_CAP + 50; 
		const int WM_CAP_SET_PREVIEWRATE = WM_CAP + 52; 
		const int WM_CAP_SET_SCALE = WM_CAP + 53; 
		const int WS_CHILD = 1073741824; 
		const int WS_VISIBLE = 268435456; 
		const short SWP_NOMOVE = 2; 
		const short SWP_NOSIZE = 1; 
		const short SWP_NOZORDER = 4; 
		const short HWND_BOTTOM = 1; 
		int iDevice = 0;
        int hHwnd; 
		[System.Runtime.InteropServices.DllImport("user32", EntryPoint="SendMessageA")] 
		static extern int SendMessage(int hwnd, int wMsg, int wParam,  [MarshalAs(UnmanagedType.AsAny)] 
			object lParam); 
		[System.Runtime.InteropServices.DllImport("user32", EntryPoint="SetWindowPos")] 
		static extern int SetWindowPos(int hwnd, int hWndInsertAfter, int x, int y, int cx, int cy, int wFlags); 
		[System.Runtime.InteropServices.DllImport("user32")] 
		static extern bool DestroyWindow(int hndw); 
		[System.Runtime.InteropServices.DllImport("avicap32.dll")] 
		static extern int capCreateCaptureWindowA(string lpszWindowName, int dwStyle, int x, int y, int nWidth, short nHeight, int hWndParent, int nID); 
		[System.Runtime.InteropServices.DllImport("avicap32.dll")] 
		static extern bool capGetDriverDescriptionA(short wDriver, string lpszName, int cbName, string lpszVer, int cbVer);
		private void OpenPreviewWindow() 
		{
			int iHeight = 320;
			int iWidth = 200;
			// 
			//  Open Preview window in picturebox
			// 
			hHwnd = capCreateCaptureWindowA(iDevice.ToString (), (WS_VISIBLE | WS_CHILD), 0, 0, 640, 480, picCapture.Handle.ToInt32(), 0);
			// 
			//  Connect to device
			// 
			if (SendMessage(hHwnd, WM_CAP_DRIVER_CONNECT, iDevice, 0) == 1) 
			{
				// 
				// Set the preview scale
				// 
				SendMessage(hHwnd, WM_CAP_SET_SCALE, 1, 0);
				// 
				// Set the preview rate in milliseconds
				// 
				SendMessage(hHwnd, WM_CAP_SET_PREVIEWRATE, 66, 0);
				// 
				// Start previewing the image from the camera
				// 
				SendMessage(hHwnd, WM_CAP_SET_PREVIEW, 1, 0);
				// 
				//  Resize window to fit in picturebox
				// 
				SetWindowPos(hHwnd, HWND_BOTTOM, 0, 0, iWidth,iHeight, (SWP_NOMOVE | SWP_NOZORDER));
			}
			else 
			{
				// 
				//  Error connecting to device close window
				//  
				DestroyWindow(hHwnd);
			}
		}
		private void ClosePreviewWindow() 
		{
			// 
			//  Disconnect from device
			// 
			SendMessage(hHwnd, WM_CAP_DRIVER_DISCONNECT, iDevice, 0);
			// 
			//  close window
			// 
			DestroyWindow(hHwnd);
		}
		#endregion

        internal System.Windows.Forms.Button btnStop;
		internal System.Windows.Forms.Button btnStart;
        internal System.Windows.Forms.PictureBox picCapture;
        private IContainer components;

		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.components = new System.ComponentModel.Container();
            this.btnStop = new System.Windows.Forms.Button();
            this.btnStart = new System.Windows.Forms.Button();
            this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
            this.IP_textBox = new System.Windows.Forms.TextBox();
            this.label1 = new System.Windows.Forms.Label();
            this.device_number_textBox = new System.Windows.Forms.TextBox();
            this.label2 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.picture_comming = new System.Windows.Forms.PictureBox();
            this.picCapture = new System.Windows.Forms.PictureBox();
            ((System.ComponentModel.ISupportInitialize)(this.picture_comming)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.picCapture)).BeginInit();
            this.SuspendLayout();
            // 
            // btnStop
            // 
            this.btnStop.Anchor = System.Windows.Forms.AnchorStyles.None;
            this.btnStop.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.btnStop.Location = new System.Drawing.Point(123, 56);
            this.btnStop.Name = "btnStop";
            this.btnStop.Size = new System.Drawing.Size(112, 32);
            this.btnStop.TabIndex = 11;
            this.btnStop.Text = "Stop Capturing";
            this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
            // 
            // btnStart
            // 
            this.btnStart.Anchor = System.Windows.Forms.AnchorStyles.None;
            this.btnStart.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.btnStart.Location = new System.Drawing.Point(123, 18);
            this.btnStart.Name = "btnStart";
            this.btnStart.Size = new System.Drawing.Size(112, 32);
            this.btnStart.TabIndex = 9;
            this.btnStart.Text = "Start Capturing";
            this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
            // 
            // IP_textBox
            // 
            this.IP_textBox.Location = new System.Drawing.Point(69, 303);
            this.IP_textBox.Name = "IP_textBox";
            this.IP_textBox.Size = new System.Drawing.Size(161, 20);
            this.IP_textBox.TabIndex = 13;
            this.IP_textBox.Text = "127.0.0.1";
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(12, 306);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(51, 13);
            this.label1.TabIndex = 14;
            this.label1.Text = "Remot IP";
            // 
            // device_number_textBox
            // 
            this.device_number_textBox.Location = new System.Drawing.Point(336, 25);
            this.device_number_textBox.Name = "device_number_textBox";
            this.device_number_textBox.Size = new System.Drawing.Size(48, 20);
            this.device_number_textBox.TabIndex = 15;
            this.device_number_textBox.Text = "0";
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.Location = new System.Drawing.Point(238, 28);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(92, 13);
            this.label2.TabIndex = 16;
            this.label2.Text = "Capture Device #";
            // 
            // button1