C#

try {
  // do something
  // with con
}
catch (Exception ex) {
  // Ya boo sucks!
}
finally {
  try {
    con.close();
  }
  catch (Exception ex) {
    // unable to close it but must let go!
  }
  finally {
    // finally, finally release the reference
    con = null;
  }
}

try
{
}
catch (...)
{
}
finally
{
  if (conn.Open)
    conn.Close();
}

using (whateverConnection conn = new whateverConnection())
{
  try
  {
    // do stuff
  }
  catch
  {
    // complain a lot
  }
}

SHDocVw.InternetExplorer browser;
                      browser.FileDownload += new DWebBrowserEvents2_FileDownloadEventHandler(browser_FileDownload);

 void browser_FileDownload(ref bool Cancel)
        {
            //throw new Exception("The method or operation is not implemented.");
        }

jasome wrote:

SHDocVw.InternetExplorer browser;
browser.FileDownload += new DWebBrowserEvents2_FileDownloadEventHandler(browser_FileDownload);

 private SHDocVw.InternetExplorer browser;
 private SHDocVw.ShellWindows shellWindows;
 private ArrayList Current_IE_Handles;

#region Constructors
        public Form1()
        {
            InitializeComponent();
            Current_IE_Handles = new ArrayList();
            shellWindows = new SHDocVw.ShellWindowsClass();
            shellWindows.WindowRegistered += new SHDocVw.DShellWindowsEvents_WindowRegisteredEventHandler(shellWindows_WindowRegistered);
            shellWindows.WindowRevoked += new SHDocVw.DShellWindowsEvents_WindowRevokedEventHandler(shellWindows_WindowRevoked);
        }
        #endregion


private void shellWindows_WindowRegistered(int z)
        {
            string filnam;

            foreach (SHDocVw.InternetExplorer ie in shellWindows)
            {
                filnam = Path.GetFileNameWithoutExtension(ie.FullName).ToLower();

                if (filnam.Equals("iexplore"))
                {
                    browser = ie;

                    bool check = true;

                    for (int i = 0; i < Current_IE_Handles.Count; i++)
                    {
                        if (Current_IE_Handles[i].ToString() == browser.HWND.ToString())
                        {
                            check = false;
                        }
                    }

                    if (check == true)
                    {
                        browser.DocumentComplete += new DWebBrowserEvents2_DocumentCompleteEventHandler(browser_DocumentComplete);
                        browser.FileDownload += new DWebBrowserEvents2_FileDownloadEventHandler(browser_FileDownload);
                    }
                }
            }
        }

 void browser_FileDownload(ref bool Cancel)
        {
            //throw new Exception("The method or operation is not implemented.");
        }

jasome wrote:

Is there any event available to trace file download using C#?

string hex = myInt.ToString("X");//Convert to hex string