protected void __Go2FormNSubmitQuery(ref System.Windows.Forms.WebBrowser oBrowser, String sQuery, String sUrl, String sInputId, String sBtnId)
{
CountedWait oCWTimer = new CountedWait(ref oBrowser, 3000);
Int32 iErrorCount = 0;
while (true)
{
try
{
HtmlDocument oDocument = oDocLoader.loadDocument(ref oBrowser, sUrl);
HtmlElement oQueryInput = oDocument.GetElementById(sInputId);
HtmlElement oQuerySubmit = oDocument.GetElementById(sBtnId);
if (oQueryInput == null || oQuerySubmit == null)
{
throw new Exception("Submition form elements not found, retrying");
}
oQueryInput.InvokeMember("click");
oQueryInput.InvokeMember("focus");
oQueryInput.SetAttribute("value", sQuery);
oQuerySubmit.InvokeMember("click");
if (oCWTimer.Wait(10))
{
TimedWait oTimedWait = new TimedWait(oRandomizer.Next(10000, 30000));
oTimedWait.Wait();
return;
}
else
{
//System.Console.WriteLine("Proxy timeout, switching to next one.");
wininet.RefreshIEProxySettings();
}
iErrorCount = 0;
}
catch (UnauthorizedAccessException ex)
{
throw new UnauthorizedAccessException("Unauthorized access to HTML properties, aborting operation", ex);
}
catch (AccessViolationException ex)
{
throw new AccessViolationException("Access Violation, aborting operation", ex);
}
catch (Exception ex)
{
System.Console.WriteLine("..::" + this.GetType().Name + "::..__Go2FormNSubmitQuery thrown an exception, reason: " + ex.Message + ", switching proxy");
wininet.RefreshIEProxySettings();
}
finally
{
iErrorCount++;
if (iErrorCount > 10)
{
throw new Exception("Too much errors in __Go2FormNSubmitQuery, aborting...");
}
}
}
}
protected void NavigateToSite(HtmlElement oLink, ref WebBrowser oBrowser)
{
CountedWait oCWTimer = new CountedWait(ref oBrowser, 3000);
while (true)
{
try
{
sSiteToNavigate = oLink.GetAttribute("href");
oLink.InvokeMember("click");
if (oCWTimer.Wait(10))
{
bSiteFound = true;
TimedWait oTimedWait = new TimedWait(oRandomizer.Next(10000, 30000));
oTimedWait.Wait();
return;
}
else
{
//System.Console.WriteLine("Proxy timeout, switching to next one.");
wininet.RefreshIEProxySettings();
}
}
catch (UnauthorizedAccessException ex)
{
throw new UnauthorizedAccessException("..::" + this.GetType().Name + "::..NavigateToSite thrown an exception", ex);
}
catch (AccessViolationException ex)
{
throw new AccessViolationException("..::" + this.GetType().Name + "::..NavigateToSite thrown an exception", ex);
}
catch (Exception ex)
{
System.Console.WriteLine("..::" + this.GetType().Name + "::..NavigateToSite thrown an exception, reason: " + ex.Message + ", switching proxy");
wininet.RefreshIEProxySettings();
}
}
}
protected void OpenNewWindow(object sender, CancelEventArgs e)
{
System.Windows.Forms.WebBrowser oTmpBrowser = (System.Windows.Forms.WebBrowser)sender;
oDocLoader.loadDocument(ref oTmpBrowser, sSiteToNavigate);
e.Cancel = true;
bSiteFound = true;
TimedWait oTimer = new TimedWait(oRandomizer.Next(10000, 30000));
oTimer.Wait();
return;
}
protected void GoToNextPage(HtmlElement oLink, ref WebBrowser oBrowser)
{
CountedWait oCWTimer = new CountedWait(ref oBrowser, 3000);
while (true)
{
try
{
// Below line added to rise UnauthorizedAccessException in case something went wrong
String sHREF = oLink.GetAttribute("href");
oLink.InvokeMember("click");
if (oCWTimer.Wait(10))
{
TimedWait oTimedWait = new TimedWait(oRandomizer.Next(8000, 14000));
oTimedWait.Wait();
return;
}
else
{
//System.Console.WriteLine("Proxy timeout, switching to next one.");
wininet.RefreshIEProxySettings();
}
}
catch (UnauthorizedAccessException ex)
{
throw new UnauthorizedAccessException("Unauthorized access to HTML properties, aborting operation", ex);
}
catch (AccessViolationException ex)
{
throw new AccessViolationException("Access Violation, aborting operation", ex);
}
catch (Exception ex)
{
System.Console.WriteLine("..::" + this.GetType().Name + "::..GoToNextPage thrown an exception, reason: " + ex.Message + ", switching proxy");
wininet.RefreshIEProxySettings();
}
}
}