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 System.Net.NetworkInformation;using System.Runtime.InteropServices;using Microsoft.Win32;namespace DCWriterTasks
{ public partial class Form1 : Form { #region Initionalization public Form1() { InitializeComponent(); } #endregion#region Methods
//使用System.Net.NetworkInformation下的Ping以及PingReply判断网络 /// <summary> /// 判断是否有网络 /// </summary> /// <returns></returns> public bool OnlineOrNot() { bool resultoOnlineOrNot = false; Ping ping = new Ping(); PingReply pingReply; //向百度ping看看，能否ping通，通了有网络，否则无网络 //pingReply = ping.Send("202.108.22.5"); pingReply = ping.Send("www.baidu.com"); //pingReply = ping.Send("http://www.dcwriter.cn/html/Template/DCWriter.html"); if (pingReply.Status == IPStatus.Success) { resultoOnlineOrNot = true; return resultoOnlineOrNot; } return resultoOnlineOrNot;}
//使用System.Runtime.InteropServices调用wininet中的 InternetGetConnectedState API判断网络
//判断internet的网络连接状态 [DllImport("wininet", EntryPoint = "InternetGetConnectedState")] private extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue);/// <summary>
/// 判断是否有网络 /// </summary> /// <returns></returns> public bool OnlineOrNot1() {bool resultoOnlineOrNot = false;
int i = 0; if (InternetGetConnectedState(out i, 0)) { resultoOnlineOrNot = true; return resultoOnlineOrNot; } return resultoOnlineOrNot; } /// <summary> /// 访问Access 数据库 /// </summary> /// <param name="access"></param> /// <returns></returns> public bool AccessExistOrNot(string access) { using (RegistryKey key = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Uninstall", false)) { if (key != null)//判断对象存在 { foreach (string keyName in key.GetSubKeyNames())//遍历子项名称的字符串数组 { using (RegistryKey key2 = key.OpenSubKey(keyName, false))//遍历子项节点 { if (key2 != null) { string softwareName = key2.GetValue("DisplayName", "").ToString();//获取软件名 if (softwareName.IndexOf(access) > -1) { //string installLocation = key2.GetValue("InstallLocation", "").ToString();//获取安装路径 return true; } } } } } } return false; }#endregion
#region Events
/// <summary> /// 打开模板浏览器 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void tsbModeBroser_Click(object sender, EventArgs e) { bool onlineOrNot = false; onlineOrNot = OnlineOrNot1(); if (onlineOrNot) { myWebBrowser.Navigate("http://www.dcwriter.cn/html/Template/DCWriter.html"); } else { myWebBrowser.Navigate("about:blank"); } }/// <summary>
/// 打开地图热点 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void tsbMapHot_Click(object sender, EventArgs e) { bool onlineOrNot = false; onlineOrNot = OnlineOrNot1(); if (onlineOrNot) { myWebBrowser.Navigate("http://www.dcwriter.cn/CustomerCase/DCWriterCustomerCase.HTML"); } else { if (MessageBox.Show("对不起无网络！是否使用本地文件？", "友情提示：", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes) { myWebBrowser.Navigate(System.IO.Path.Combine(Application.StartupPath, "本地地图.png")); } else { myWebBrowser.Navigate("about:blank"); } } }private void tsbAccessClient_Click(object sender, EventArgs e)
{ //System.Net.WebClient myWebClient = new System.Net.WebClient(); Uri uri = new Uri("ftp://ygdy8:ygdy8@y219.dydytt.net:9066/[阳光电影www.ygdy8.com].叶问3.BD.720p.国粤双语中字.mkv"); //Uri uri = new Uri("http://192.168.0.100:8080"); //myWebClient.DownloadFileAsync(uri, System.IO.Path.Combine(Application.StartupPath, "哈哈")); bool accessExistOrNot = AccessExistOrNot("Access"); if (accessExistOrNot) { //访问Access 数据库 //if (MessageBox.Show("Access 数据库不存在，是否访问本地文件？", "信息提示：", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes) //{ //} } else { //访问本地文件 } } #endregion}
}