Best way detect Network and Internet Connection

[=?Utf-8?B?QWxoYW1icmEgRWlkb3MgRGVzYXJyb2xsbw==?=]

Hi all mister,



Which is THE BEST WAY IN THE WORLD AROUND for:



1. detect Network



2. detect Internet Connection is working...



which is the best way in the world and good practice recommended by MVPs
Microsoft ?



Thanks in advanced..



code below...but which is the best code ???



NetworkInterfac e.GetIsNetworkA vailable()



private static int ERROR_SUCCESS = 0;
public static bool IsInternetConne cted() {
long dwConnectionFla gs = 0;
if (!InternetGetCo nnectedState(dw ConnectionFlags , 0))
return false;

if(InternetAtte mptConnect(0) != ERROR_SUCCESS)
return false;

return true;
}


[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern int InternetAttempt Connect(uint res);


[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern bool InternetGetConn ectedState(long flags,long
reserved);


Correct translation below.


[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern bool InternetGetConn ectedState(out int flags,int
reserved);



I found code in C#, how convert to VB.NET



HttpWebRequest req;
HttpWebResponse resp;
try
{
req = (HttpWebRequest )WebRequest.Cre ate("http://www.google.com" );
resp = (HttpWebRespons e)req.GetRespon se();

if(resp.StatusC ode.ToString(). Equals("OK"))
{
Console.WriteLi ne("its connected.");
}
else
{
Console.WriteLi ne("its not connected.");
}
}
catch(Exception exc)
{
Console.WriteLi ne("its not connected.");
}



--

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[Teme64]

Re: Best way detect Network and Internet Connection

Alhambra Eidos Desarrollo wrote:

Hi all mister,
>
>
>
Which is THE BEST WAY IN THE WORLD AROUND for:
>
>
>
1. detect Network
>
>
>
2. detect Internet Connection is working...
>
>
>
which is the best way in the world and good practice recommended by MVPs
Microsoft ?
>
>
>
Thanks in advanced..
>
>
>
code below...but which is the best code ???
>
>
>
NetworkInterfac e.GetIsNetworkA vailable()
>
>
>
private static int ERROR_SUCCESS = 0;
public static bool IsInternetConne cted() {
long dwConnectionFla gs = 0;
if (!InternetGetCo nnectedState(dw ConnectionFlags , 0))
return false;
>
if(InternetAtte mptConnect(0) != ERROR_SUCCESS)
return false;
>
return true;
}
>
>
[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern int InternetAttempt Connect(uint res);
>
>
[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern bool InternetGetConn ectedState(long flags,long
reserved);
>
>
Correct translation below.
>
>
[DllImport("wini net.dll", SetLastError=tr ue)]
public static extern bool InternetGetConn ectedState(out int flags,int
reserved);
>
>
>
I found code in C#, how convert to VB.NET
>
>
>
HttpWebRequest req;
HttpWebResponse resp;
try
{
req = (HttpWebRequest )WebRequest.Cre ate("http://www.google.com" );
resp = (HttpWebRespons e)req.GetRespon se();
>
if(resp.StatusC ode.ToString(). Equals("OK"))
{
Console.WriteLi ne("its connected.");
}
else
{
Console.WriteLi ne("its not connected.");
}
}
catch(Exception exc)
{
Console.WriteLi ne("its not connected.");
}
>

Converted with http://www.developerfusion.com/tools.../csharp-to-vb/

Dim req As HttpWebRequest
Dim resp As HttpWebResponse
Try
req = DirectCast(WebR equest.Create(" http://www.google.com" ), HttpWebRequest)
resp = DirectCast(req. GetResponse(), HttpWebResponse )

If resp.StatusCode .ToString().Equ als("OK") Then
Console.WriteLi ne("its connected.")
Else
Console.WriteLi ne("its not connected.")
End If
Catch exc As Exception
Console.WriteLi ne("its not connected.")
End Try

--

Teme64 @ http://windevblog.blogspot.com

[=?Utf-8?B?QWxoYW1icmEgRWlkb3MgRGVzYXJyb2xsbw==?=]

Re: Best way detect Network and Internet Connection



And which is the best way to do this:

detect Network

detect Internet Connection

Thanks !!!

[G.S.]

Re: Best way detect Network and Internet Connection

On Oct 30, 3:31 am, Alhambra Eidos Desarrollo
<AlhambraEidosD esarro...@discu ssions.microsof t.comwrote:

And which is the best way to do this:
>
detect Network
>
detect Internet Connection
>
Thanks !!!

Sorry - I cannot answer your direct question, but I will be facing
your issue in a few weeks. My intention was to dig deep into how
Microsoft deal with it in the impelementation of their Disconnected
Service Agent Application block... There's plenty info about it on the
net.. here's an example:

http://www.codeplex.com/smartclient/Thread/View.aspx?ThreadId=15938

Maybe you can integrate that block instead...