public static bool IsWebAccessible(Uri[] uriCheckList = null, NetProxy proxy = null, WebClientExNetworkType networkType = WebClientExNetworkType.Default, int timeout = 10000, bool throwException = false)
{
if (uriCheckList == null)
{
uriCheckList = new Uri[] { new Uri("https://www.google.com/"), new Uri("https://www.microsoft.com/") }
}
;
using (WebClientEx client = new WebClientEx())
{
client.Proxy = proxy;
client.NetworkType = networkType;
client.Timeout = timeout;
Exception lastException = null;
foreach (Uri uri in uriCheckList)
{
try
{
client.OpenRead(uri);
return(true);
}
catch (WebException ex)
{
lastException = ex;
}
}
if (throwException)
{
throw lastException;
}
}
return(false);
}
}
public WebClientWriteStream(WebClientEx webClient, WebRequest request)
{
_webClient = webClient;
_request = request;
_requestStream = request.GetRequestStream();
}