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Update UserControl1.cs

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Add network status
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junyoung kim 2024-04-15 19:33:32 +09:00 committed by GitHub
parent 37fdb5016f
commit 50772dedf9
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1 changed files with 45 additions and 2 deletions
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Catswords.DataType.Client/UserControl1.cs
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@ -1,4 +1,4 @@
using Catswords.DataType.Client.Helper;
using Catswords.DataType.Client.Helper;
using Catswords.DataType.Client.Model;
using System;
using System.ComponentModel.Design;
@ -6,6 +6,7 @@ using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Windows.Forms;
namespace Catswords.DataType.Client
@ -81,14 +82,56 @@ namespace Catswords.DataType.Client
ExtractLink();
}
bool IsInternetConnected()
{
const string NCSI_TEST_URL = "http://www.msftncsi.com/ncsi.txt";
const string NCSI_TEST_RESULT = "Microsoft NCSI";
const string NCSI_DNS = "dns.msftncsi.com";
const string NCSI_DNS_IP_ADDRESS = "131.107.255.255";
try
{
// Check NCSI test link
var webClient = new WebClient();
string result = webClient.DownloadString(NCSI_TEST_URL);
if (result != NCSI_TEST_RESULT)
{
return false;
}
// Check NCSI DNS IP
var dnsHost = Dns.GetHostEntry(NCSI_DNS);
if (dnsHost.AddressList.Count() < 0 || dnsHost.AddressList[0].ToString() != NCSI_DNS_IP_ADDRESS)
{
return false;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return false;
}
return true;
}
private void FetchFromFileExtensionDB()
{
var search = new FileExtensionDB();
if (IsInternetConnected())
{
var search = new FileExtensionDB();
search.Fetch(fileExtension);
foreach (Indicator ind in search.Indicators)
{
listView1.Items.Add(new ListViewItem(new string[] { ind.CreatedAt.ToString(), ind.Content }, 0));
}
} else
{
MessageBox.Show("네트워크 상태 좋지 않습니다.");
}
}
private void FetchFromTimeline()