实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using NetSDKCS; using System.Diagnostics; using System.IO; using System.Runtime.InteropServices; namespace CaptureDemo { public partial class CaptureDemo : Form { private IntPtr _LoginID = IntPtr.Zero; private IntPtr _PlayID = IntPtr.Zero; // private fSnapRevCallBack _SnapRevCallBack; private NET_DEVICEINFO_Ex _DeviceInfo = new NET_DEVICEINFO_Ex(); private bool _IsSpanCapture = false; public string[] Readdata;//= Environment.GetCommandLineArgs(); public string dataIP;//="10.207.159.169"; public string dataport;//="8000"; public string dataname;//="admin"; public string datapass;//="jzs123456"; public CaptureDemo(string[] datatext) { InitializeComponent(); try { // _SnapRevCallBack = new fSnapRevCallBack(SnapRevCallBack); NETClient.Init(null, IntPtr.Zero, null); // NETClient.SetSnapRevCallBack(_SnapRevCallBack, IntPtr.Zero); if (datatext.Length == 4) { Readdata = datatext; dataIP = Readdata[0]; dataport = Readdata[1]; dataname = Readdata[2]; datapass = Readdata[3]; foreach (string strID in Readdata) { // MessageBox.Show(strID); } } else { MessageBox.Show("输入格式不对"); } } catch (Exception ex) { MessageBox.Show(ex.Message); Process.GetCurrentProcess().Kill(); } this.Load = new EventHandler(CaptureDemo_Load); } void CaptureDemo_Load(object sender, EventArgs e) { //this.comboBox_channel.Enabled = false; //this.button_realplay.Enabled = false; if (IntPtr.Zero == _LoginID) { ushort port = 0; try { //port = Convert.ToUInt16(this.textBox_port.Text.Trim()); port = Convert.ToUInt16(dataport); } catch { MessageBox.Show("Input port error(输入端口错误)!"); return; } // _LoginID = NETClient.Login(this.textBox_ip.Text.Trim(), port, this.textBox_name.Text.Trim(), this.textBox_password.Text, EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref _DeviceInfo); _LoginID = NETClient.Login(dataIP, port, dataname, datapass, EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref _DeviceInfo); if (IntPtr.Zero == _LoginID) { MessageBox.Show(NETClient.GetLastError()); return; } for (int i = 0; i < _DeviceInfo.nChanNum; i ) { this.comboBox_channel.Items.Add(i 1); } this.comboBox_channel.SelectedIndex = 0; this.comboBox_channel.Enabled = true; // this.button_realplay.Enabled = true; this.button_login.Text = "注销"; //预览 if (IntPtr.Zero == _PlayID) { _PlayID = NETClient.RealPlay(_LoginID, comboBox_channel.SelectedIndex, this.pictureBox_preview.Handle); if (IntPtr.Zero == _PlayID) { MessageBox.Show(NETClient.GetLastError()); return; } } else { NETClient.StopRealPlay(_PlayID); _PlayID = IntPtr.Zero; this.pictureBox_preview.Refresh(); } } else { NETClient.Logout(_LoginID); _LoginID = IntPtr.Zero; this.comboBox_channel.Items.Clear(); this.comboBox_channel.Enabled = false; this.button_login.Text = "登录"; this.pictureBox_preview.Refresh(); if (_IsSpanCapture) { _IsSpanCapture = false; } } } private void button_login_Click(object sender, EventArgs e) { } /// <summary> /// </summary> /// <param name="sender"></param> /// <param name="e"></param> //打开预览 /* private void SnapRevCallBack(IntPtr lLoginID, IntPtr pBuf, uint RevLen, uint EncodeType, uint CmdSerial, IntPtr dwUser) { string path = AppDomain.CurrentDomain.BaseDirectory "image"; if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } if (EncodeType == 10) //.jpg { DateTime now = DateTime.Now; string fileName = string.Format("{0}-{1}-{2}-{3}-{4}-{5}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second) ".jpg"; string filePath = path "\\" fileName; byte[] data = new byte[RevLen]; Marshal.Copy(pBuf, data, 0, (int)RevLen); try { //when the file is operate by local capture will throw expection. using (FileStream stream = new FileStream(filePath, FileMode.OpenOrCreate)) { stream.Write(data, 0, (int)RevLen); stream.Flush(); stream.Dispose(); } } catch { return; } //this.BeginInvoke(new Action(() => //{ // if (pictureBox_image.Image != null) // { // pictureBox_image.Image.Dispose(); // } // Image image = Image.FromFile(filePath); // pictureBox_image.Image = image; //})); } } */ protected override void OnClosed(EventArgs e) { base.OnClosed(e); NETClient.Cleanup(); } private void textBox_port_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar != 8 && !Char.IsDigit(e.KeyChar)) { e.Handled = true; } } } }
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