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Wininet.dll c#
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The following elements are part of the WinINet API. Are the wininet.dll functions still working on this version of VS and Windows 7? Thanks... After the connection takes place the app would utilize the FtpPutFile() function ( also from wininet.dll) to FTP a file to the device.... There's a video in C# here How Do I: Create and dial a new VPN entry at Youtube. The Windows Internet (WinINet) application programming interface (API) enables applications to interact with FTP, and HTTP protocols to access Internet resources. In order to use the FTP features of WinInet.dll, I needed to encapsulate the API in C#. This was mostly pain free, except for the marshaling of string parameters - it is documented, but you have to know what to look for. Having finished this, I figured I could offer it to the C# community; maybe I will save. Iv'e managed to find a workaruond for the issue, but it's pretty nasty, better solutions still welcome... const int WM_CLOSE = 0x10; const int INTERNET_AUTODIAL_FORCE_UNATTENDED = 0x2; [DllImport("User32.dll", EntryPoint = "PostMessage")] public static extern int PostMessage(int hWnd, int Msg,. C# Signature: [DllImport("wininet.dll", SetLastError = true)] static extern bool InternetCheckConnection(string lpszUrl, int dwFlags, int dwReserved);. VB Signature: Declare Function InternetCheckConnection Lib "wininet.dll" (ByVal lpszUrl As String, ByVal dwFlags As Integer, ByVal dwReserved As Integer) As Boolean. Runtime.InteropServices; namespace DatabaseFunctions { class ConnectionManager { [DllImport("wininet.dll")] //define the external function private extern static bool InternetGetConnectedState( out int connectionDescription, int reservedValue ) ; private bool bIsOnLine = false; public ConnectionManager(). I am writing an FTP client in C# with the help of the functions available in WinInet.dll. I am able to get everything to work except the use of the "FtpCommand" function. Basically I am trying to issue the "NLST" or "LIST" command to a server using FtpCommand . I am wondering if anyone was able to. Hi everyone, Please I have a question I want use InternetStatusCallback and InternetSetStatusCallback of wininet.dll using C# I have no idea's... In application like Messenger or Application that provides automatic update need to check that user is connected to internet or not before proceeding further. so we need to check whether he is connected to internet or not we can check that with use of WIN32 API. we can use Win32 API Wininet.dll. using System.Runtime.InteropServices; [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ); public static bool IsInternetAvailable() { if (System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()) { int nDescription; return. [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ) ;. Create a function that makes use of the API: public static bool AmIConnected( ) { try { int ConnDesc; MessageBox.Show("Connected"); return InternetGetConnectedState(out ConnDesc,. Project Description This library wraps the wininet.dll functions for FTP to create an effective way to interact with FTP servers using the C# language and the .Net framework. Sample Code using (FtpConnection ftp = new FtpConnection("ftpserver", "username", "password")) { ftp.Open(); /* Open the FTP connection */ ftp. Anyone know of a class which wraps the wininet.dll library ?? More interesting is that this server works for you with c#. How did you set it for the c#, as it does not seem to have any dns record. Yes, C sharp, WebClient method is somehow designed for ftp file upload and download. Therefore, it did work pretty well. I guess. But WinInet.dll seems to have little problem in. Hi, I am using the following function to get the internet connection status in windows application in C# in .NET environment. [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ) ; It is returning value correctly. But, wininet api is supposed to. WinInet.dll Interop Help, Srinivas Narra, 11/5/01 1:11 PM. Hi,. I am trying to use Interop to delete the Cache files in Internet Explorer using C#. This is the structure of the INTERNET_CACHE_ENTRY_INFO is like this.. typedef struct _INTERNET_CACHE_ENTRY_INFO { DWORD dwStructSize; LPTSTR lpszSourceUrlName; More Than 250 solutions for C# 3.0 Programmers Jay Hilyard, Stephen Teilhet. Example 16-7. InternetSettingsReader class (continued) [DllImport("WinInet.dll", EntryPoint = "InternetQueryOption", SetLastError = true)] public static extern bool InternetQueryOption( IntPtr hInternet, int dwOption, ref InternetPerConnOptionList. This library wraps the wininet.dll functions for FTP to create an effective way to interact with FTP servers using the C# language and the .Net framework. Package Manager .NET CLI; Paket CLI. Install-Package ftplib -Version 1.0.1.2. dotnet add package ftplib --version 1.0.1.2. paket add ftplib --version 1.0.1.2. A troubleshooting guide for wininet.dll is missing and similar errors. Don't download wininet.dll, fix the problem the right way. Obtains credentials from WinInet.dll if required (please read Remarks) and creates a based on that. The Microsoft WinINet API enables applications to access standard Internet protocols, such as FTP and HTTP. Many of. [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState_ (out int conn, int val);. The following C# program shows how to check a system has an active internet connection or not. ... InternetGetConnectedState method, from wininet.dll. And here is the snippet. [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState (out int Description, int ReservedValue); private static bool IsConnectedtoInternet() { int description; return InternetGetConnectedState(out description,. As I'm trying to improve OnedriveMapper, I've been looking into methods to avoid using Browser Emulation to authenticate with Office 365. This wasn't difficult, but storing the cookie posed a challenge. There are no available methods in Powershell to do so, thus I went searching until I ran into a post on. using System.Runtime.InteropServices;. public class InternetAvailability. {. [DllImport( "wininet.dll" )]. private extern static bool InternetGetConnectedState( out int description, int reservedValue);. public static bool IsInternetAvailable( ). {. int description;. return InternetGetConnectedState( out description, 0);. }. Free source code, Visual C++, C#, C Sharp, .NET, ASP.NET, ADO.NET, COM+, Windows, VB, ADO, SQL, ASP. Microsoft's suggestion is to always use the managed HttpWebRequest & HttpWebResponse classes and not to use the unmanaged WinInet.dll which could go away from usability from managed code let alone an ASPX usage in any upcoming service pack, but for sure it will be gone with Longhorn except. "Hi, In VB6 I have an app that used the Wininet dll to detect if the computer is connected to the Internet and if not, to force autodial. I am looking to rewrite the app in C# and have been looking for samples on using Wininet. I have found a couple but not quite what I am looking for. Does C# have an updated way of doing the. Collections.Generic;. using System.Text;. using System.Runtime.InteropServices;. namespace Coderbuddy. {. public class CheckInternetConnection. {. [DllImport("wininet.dll")]. private extern static bool InternetGetConnectedState(out int Description, int ReservedValue);. public bool IsInternetConnectionAvailable(). {. int Desc. 代码进行获取服务器返回给客户端的Cookie. 好的,如果我们需要客户端发送请求附加的Cookie需要调用到WININET.DLL中导出的. 两个函数 InternetGetCookie / InternetGetCookieEx 便可以了、. C# Declare: [DllImport("wininet.dll", SetLastError="true")] public static extern bool InternetGetCookie( string url, string.
All such ways are explained here including their limitations. 1. InternetGetConnectedState(wininet). The 'wininet' API can be used to check the local system has active internet connection or not. The namespace used for this is 'System.Runtime.InteropServices' and import the dll 'wininet.dll' using DllImport. Естественно, это было неудобно, и я решил процесс автоматизировать, написав небольшую утилиту на C#. Для начала импортируем функцию одной из библиотек Windows: [DllImport("wininet.dll")] public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength);. どうして? .NET Compact Frameworkでは、FtpWebRequestクラスやFtpWebResponseクラスが提供されていません。そのためFTPのクライアントを実装するにはWININET.DLLの外部メソッド呼び出しが必要です。 Runtime.InteropServices.DllImport("wininet.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)] public static extern bool InternetSetOption(int hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength); private static unsafe void SuppressWininetBehavior() { /* SOURCE:. Win32;; using System.Runtime.InteropServices;; namespace ProxySwitch; {; public partial class Main : Form; {; [DllImport("wininet.dll")]; public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength);; public const int INTERNET_OPTION_SETTINGS_CHANGED = 39;; public const. Приветствую. Долго уже мучаюсь, не могу понять в чём моя ошибка. Ситуация следующая: В проект C# .NET CF 3.5 импортирую библиотеку wininet.dll v8.0 для работы с FTP. К серверу подключаюсь. Качаю/загружаю без проблем. А вот открыть файл что бы прочитать дату создания никак не. I am trying to get detailed error information from a failed call to InternetConnect. I am using it like this: public void Login(string username, string password) { IntPtr _hConnect = WININET.InternetConnect(_hInternet, _host, WININET.INTERNET_DEFAULT_FTP_PORT, username, password, WININET. This library wraps the wininet.dll functions for FTP to create an effective way to interact with FTP servers using the C# language and the .Net framework. FileTransferTool. The program is a file transfer client, it monitor one or several local directories, verify,ftp and backup files found to the directory or ftp server you assign. the. [DllImport("wininet.dll", SetLastError = true)] public static extern bool InternetGetCookie(string lpszUrl, string lpszCookieName, StringBuilder lpszCookieData, ref int lpdwSize);. Затем назовите его так: // find out how big a buffer is needed int size = 0; InternetGetCookie("http://example.com", null, null,. Create a Boolean variable that is extern static with the function named of InternetGetConnectedState with description and value as parameters. This InternetGetConnectedState is in the library of wininet.dll. Meaning, you cannot modify this function. private extern static bool InternetGetConnectedState(out int. The wininet.dll is a inbuilt dll in windows that checks for 6 settings in the Machine and I am going to use in with c# for internet related desktop application. INTERNET_CONNECTION_MODEM checks if Local system uses a modem to connect to the Internet. INTERNET_CONNECTION_LAN checks if Local. Re: Detecting Internet Connections from Your C# Code. Hi Friends, last but not a least please don't forget to write DLLImport["Wininet.dll"] attribute .following example is simplified way to check internet connectivity . Code: using System; using System.Collections.Generic; using System.ComponentModel. Visual InterDev Link View Error Messages When verifying links, Link View frequently interacts with WinInet.dll, the same DLL that Microsoft® Internet Explorer uses for Internet access. If WinInet.dll cannot retrieve a URL, it reports an error. The error may indicate that a server could not be accessed, header. [DllImport("wininet.dll", CharSet = CharSet.Auto)] public static extern IntPtr InternetOpen(string strAppName, ulong ulAccessType, string strProxy, string strProxyBypass, ulong ulFlags); [DllImport("wininet.dll", CharSet = CharSet.Auto)] public static extern IntPtr InternetConnect(IntPtr ulSession, string strServer. /// WinInet.dll wrapper /// 获取所有的Cookie(包括HttpOnly) /// summary> internal static class CookieReader { private const int INTERNET_COOKIE_HTTPONLY = 0x00002000; [DllImport("wininet.dll", SetLastError = true)] private static extern bool InternetGetCookieEx( string url, string cookieName, StringBuilder. 2、从Win8.1 开始到现在的Win10,微软已经屏蔽了所有非操作系统本身对WinInet 的调用,如果你想在这两个主流平台上做开发,基本是不可能的了,需要有一系列提权等操作不是单纯靠C# 能完成的; 3、只有IE 系的浏览器或使用了系统提供的HttpClient 等对象访问网络的请求才会通过WinInet.dll,Chrome 等其他内核浏览器并不. Vyhodnocení kódu chyby API, které je uloženo v systémové tabulce hlášení (případ souborů Dll, které k vlastnímu systému nepatří): [DllImport("wininet.dll")] public static extern int InternetGetConnectedState(out int flags, int reserved);... int flags; if(InternetGetConnectedState(out flags, 0) == 0 ) { int apiError = Marshal. So after some reading, I found a way to use C# code by adding a .net framework class via the Add-Type CMDLet.. Settings" AutoConfigURL -Value $PacLocation #Set code in variable $Source=@" [DllImport("wininet.dll")] public static extern bool InternetSetOption(int hInternet, int dwOption, int lpBuffer,. Gevik,. You can use this declaration: [DllImport("wininet.dll", CharSet="CharSet".Auto, SetLastError="true")] public static extern bool InternetGetLastResponseInfo( [MarshalAs(UnmanagedType.U4)] ref int lpdwError, StringBuilder lpszBuffer, [MarshalAs(UnmanagedType.U4)] lpdwBufferLength);. You will then. Hi,. I have an Form based application which will be running on client machine remotely. I need to connect to internet through Dial Up Network using winInet.dll, I got sample code in VB.net but while converting the same code to C# its giving problems as I am new to .Net technologies I am unable to convert.
Wenn die Funktion O zurückliefert, liest OpenLocalConnection den letzten API- Fehlercode aus und versucht, damit aus der Datei wininet.dll eine Fehlerbeschreibung auszulesen. Leider führten meine Versuche nicht dazu, dass eine Beschreibung ausgelesen werden konnte. Der durch einen Abbruch des Wähldialogs. Generic;. using System.Text;. using System.Runtime.InteropServices;. namespace Coderbuddy. {. public class CheckInternetConnection. {. [DllImport("wininet.dll")]. private extern static bool InternetGetConnectedState(out int Description, int ReservedValue);. public bool IsInternetConnectionAvailable(). Hallo, ich baue in meinem Programm mit der Hilfe von der wininet.dll Internetverbindungen auf (InternetDial) und ab (InternetHangUp). Hat schon einige male einwandfrei funktioniert. Jetz bekomme ich beim Trennen der Verbindung den Fehlercode 6 zurück. Habe jetz echt schon lange gegoogelt, finde. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 using System.Runtime.InteropServices; [DllImport("winInet.dll")] private static extern bool InternetGetConnectedState(ref int dwFlag, int dwReserved); private const int INTERNET_MODEM = 1; private const int INTERNET_LAN = 2; public void InetConnectStat(). I created a bare script with the following event handler: class MyEventHandler( EventHandler ): def load_dll( self, event ): module = event.get_module() print "load_dll: %s.dll". I am writing an FTP client in C# with the help of the functions available in wininet.dll. I was able to get everything to work except the use of the... There. İnternet bağlantısını test etmek için wininet.dll dosyasını kullanabiliriz. İnternete bağlı olup olmadığımızı, bağlı isek hangi tip bağlantı ile bağlandığımızı bulmak için InternetGetConnectedState metodunu kullanacağız. InternetGetConnectedState metodunun kullanımı şu şekildedir: [DllImport(“wininet.dll", CharSet = CharSet. Win32; using System.Net.NetworkInformation; using System.Management; using System.Threading; using System.Runtime.InteropServices; using NETCONLib; namespace DynamicMAC { public class MACHelper { [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState(int Description. Hire the top Vb net wininet dll change proxy current session Freelancers, or work on the latest Vb net wininet dll change proxy current session Jobs. Page - 1. For C# guys....using System ;using System.Runtime ;using System.Runtime.InteropServices ;public class Internet{ [DllImport("wininet.dll")] private. ... such as Internet Explorer. Welcome our friend, InternetSetOption in WinInet.dll. Since Windows 2000 this has provided us a mechanism to set the proxy server, and also perform a “refresh" so the affect is instantly applied, with no need to refresh/restart a browser. InternetSetOption is documented here:. #include #include #include main(){ HINTERNET hnd; LoadLibrary("Wininet.dll"); hnd="InternetOpen"("FTP_1",INTERNET_OPEN_TYPE_DIRECT,NULL,NULL,INTERNET_FLAG_ASYNC); if(hnd==NULL) printf("failed to setup connection"); else printf("connected"); getch(); } I need to open an existing ISDN connection from a C# application, send an e-mail, and then close the connection after me. I have the e-mail part. But there is no Shell command in C#, so how do i access the ISDN connection?? Report abuse. [DllImport("wininet.dll",CharSet=CharSet.Auto)] static extern. c# 调用rasapi32.dll实现adsl拨号断开有的时候(比方说做唯一ip的投票)需要频繁的adsl的拨号和断开,用c#也可以实现,如下代码: **[C#]代码** ```{.c#} using System;. phone-book entries ref int lpcb, // size in bytes of buffer out int lpcEntries // number of entries written // to buffer ); [DllImport("wininet.dll", CharSet = CharSet. Loaded "WININET.DLL" at address 0x75D40000 by thread 6. Loaded "NORMALIZ.DLL" at address 0x77880000 by thread 6. DllMain(0x760A0000, DLL_PROCESS_ATTACH, 0x00000000) in "IERTUTIL.DLL" called by thread 6. DllMain(0x760A0000, DLL_PROCESS_ATTACH, 0x00000000) in "IERTUTIL. Приветствую. Долго уже мучаюсь, не могу понять в чём моя ошибка. Ситуация следующая: В проект C# .NET CF 3.5 импортирую библиотеку wininet.dll v8.0 для работы с FTP. К серверу подключаюсь. Качаю/загружаю без проблем. А вот открыть файл что бы прочитать дату создания никак не получается. This is a multi-part message in MIME format. Hi everyone, Please I have a question. I want use InternetStatusCallback and InternetSetStatusCallback of wininet.dll using C# I have no idea's about their use (with DllImport I suppose). Can somebody give me an example or where I can it to find ? thanks a lot DllNotFoundException: gdiplus.dll in (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&) in System.Drawing.GDIPlus:.cctor ()--- End of inner exception stack trace --- in > in. There have been plenty of posts explaining how to test internet connection in C#. But I would like it keep it simple and straight with a dependable solution rather than depending upon external sites. There is a win32 api available in wininet.dll which can be used to detect your device is connected to internet. Posted: Smart Devices VB and C# Projects, Upload with a progress bar, using Wininet.dll, Top. Hi all,. I use Wininet.DLL to upload a file on a ftp server, But I'd like to use a progress bar which shows the advancement of the transfer.It is possible It seems that not in wininet.dll.. [DllImport("wininet.dll", CharSet = CharSet.Auto)]. List your Dial-Up Networking (DUN) connections. Use the the Internetdial and InternetHangup functions of Wininet.dll to establish a DUN connection to the internet. Pass Strings and Data Between VB Applications Pass data from one VB app to another, without COM, even though the apps run in separate process spaces. Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using System.Net; using System.Net.NetworkInformation; **Zmienne** #region Zmienne [System.Runtime.InteropServices.DllImport("wininet.dll")] private extern static bool InternetGetConnectedState(out int Description,. Olá. No meu cliente, o componente vem me retornando a seguinte mensagem de erro ao enviar os xml (amb. Produção): Access violation at address 788CA450 in module 'msxml5.dll'. Read of address 00000000. Às vezes aparece Hash inválido, ou parâmetro incorreto. Somente lá acontece isso (WinXP. 2014年9月1日. public sealed class SafeFindFirstUrlCacheEntryHandle : SafeHandle { [DllImport("wininet.dll", SetLastError = true)] private static extern bool FindCloseUrlCache(IntPtr hEnumHandle); private SafeFindFirstUrlCacheEntryHandle() : base(IntPtr.Zero, true) { } private SafeFindFirstUrlCacheEntryHandle(IntPtr. Question. I have a problem when converting a VB code to C# code. Here is the code in VB, wininet.dll", SetLastError:=True)> _ Private Shared Function InternetSetOption(ByVal hInternet As IntPtr, ByVal dwOption As Integer, ByVal lpBuffer As IntPtr, ByVal lpdwBufferLength As Integer) As. Getting Browser History other than IE from system32 (.dll) Like IE stores its History in wininet.dll inside System32, Is there any other dll files in sy. I'll cover the following topics in the code samples below: ToLongDateStringIsNullOrEmpty, KeyEventArgs, Page, GetCurrentDirectory, and GetDataPresent. Shared methods, structures and constants for use throughout the Vanara.PInvoke assemblies. Includes: * IEnumerable helpers for COM enumerations * Custom marshaler for CoTaskMem pointers * Enhanced error results classes for HRESULT, Win32Error and NTStatus * Standard windows.h macros (e.g. HIWORD, MA. [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)] static extern bool InternetGetCookieEx(string pchUrl, string pchCookieName, StringBuilder pchCookieData,. ref System.UInt32 pcchCookieData, int dwFlags, IntPtr lpReserved); private static string GetCookieString(string url) { uint. if we installed IE7 or IE8, the C# FTP Library doesn't works. The FTP Connection is OK but the GetFiles Function generates an error. FTP exception : FtpLib.FtpException Message : 200 Command okay 227 Entering passive mode (10,0,1,73,219,250). We suspected that the file wininet.dll for IE7/IE8 is incompatible withe IE7. 請問各位大大在C#裡面是否有檢查Router到Internet這段是否已連上的Win API可以用嗎?? 如果不用Ping跟Sockets 小生之前找到一個. 1, [DllImport("wininet.dll")]. 2, private extern static bool InternetGetConnectedState(int Description, int ReservedValue);. 3, public static bool IsConnectedToInternet(). 4, {. //Método da API. [DllImport("wininet.dll")] private extern static Boolean InternetGetConnectedState(out int Description, int ReservedValue);. // Um método que verifica se esta conectado. public static Boolean IsConnected(). {. int Description;. return InternetGetConnectedState(out Description, 0);. }. Getting around excessive local caching when using WebRequests to retrieve URLs in C#. Programming by Sverrir Sigmundarson. On a recent project I ran. Manually deleting the WinInetCache entry that the CLR proposedly uses through P/Invoking WinInet.dll. link. Wait for the ~5 min required between requests so that the. Project Summary. This library wraps the wininet.dll functions for FTP to create an effective way to interact with FTP servers using the C# language and the .Net framework. NET-programmering (inkl. C#, ASP m.fl.): HeI! Jeg har cookies lagret som en string (hentet fra cookiecontainern) som jeg vil bruke sammen med webbrowser controllen. Jeg har prøvd dette: wb.document.cookie = cookieString; jeg får her en NullReferenceException: Object reference not set to an instance of. how to import wininet.dll in c# application. hi to all... i have one doubt in c#.net... how to import wininet.dll in c# application and give me some sample code in C#...its very urgent for me anybody pls help me..... advance thks mahendran. MetaWear.CSharp. C# API for MbientLab's sensor boards targeted for Windows 10 devices. Latest release 0.3.0 - Updated about 7 hours ago - 2 stars. Vanara.PInvoke.WinINet. Methods, structures and constants imported from WinINet.dll. Latest release 1.0.4 - Updated about 7 hours ago - 1 stars. The URL moniker service, held in urlmon.dll, which provides COM objects to applications for resolving URLs. Applications can also provide their own URL handlers for others to use. An HTTP client library which also takes into account system-wide Proxy settings (wininet.dll); however, Microsoft has added another HTTP. ... dwFlags is not required. "Mateusz Rajca" xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message news:12D6C6FC-BDC9-4D3C-813D-A7D0B44247D4@xxxxxxxxxxxxxxxx. Please reply "Siva M" wrote: Try this: [DllImport ("wininet.dll")] private extern static bool InternetSetOption (int hInternet, [DllImport("wininet.dll", SetLastError = true)] private static extern bool InternetSetOption( IntPtr hInternet, int dwOption, IntPtr lpBuffer, int lpdwBufferLength); private const int INTERNET_OPTION_PROXY_SETTINGS_CHANGED = 95; private const int INTERNET_OPTION_SETTINGS_CHANGED = 39; private. 以下は,WinInet.pas で定義されている関数の一部の引数と使用法の説明です.WinInet.pas というのは,Internet Explorer で使われている WinInet.dll を Delphi で使用するためのものです. この WinInet の関数類ばどのようなものか知るための資料として掲載しました.サンプルプログラム類で利用している関数が全てあるわけ. Сейчас не могу реализовать это в C# Во-первых задекларировал я такую функцию: [DllImport("wininet.dll")] private extern static bool InternetSetOption(int hInternet, ushort dwOption, ref INTERNET_CONNECTED_INFO lpBuffer, ushort dwBufferLength ); Т.е. DWORD = ushort. HINTERNET = int WinINet APIのInternetGetConnectedState関数を使用してインターネットに接続されているか調べることができます。 VB.NET. DllImport("wininet.dll")> _ Shared Function InternetGetConnectedState( _ ByRef lpdwFlags As Integer, ByVal dwReserved As Integer) As Boolean End Function 'Button1のClickイベントハンドラ Private Sub.
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