private void Query_Click(object sender, System.EventArgs e)
{
STATURL s = urlHistory.QueryUrl(textBoxQueriedURL.Text, STATURL_QUERYFLAGS.STATURL_QUERYFLAG_TOPLEVEL);
if(s.pwcsUrl != null)
textBoxResult.Text = "\"" + textBoxQueriedURL.Text + "\" has been visited by the current user.";
else
textBoxResult.Text = "\"" + textBoxQueriedURL.Text + "\" has not been visited by the current user.";
}
/// <summary>
/// Advances the enumerator to the next item of the url history cache.
/// </summary>
/// <returns>
/// true if the enumerator was successfully advanced to the next element;
/// false if the enumerator has passed the end of the url history cache.
/// </returns>
public bool MoveNext()
{
_staturl = new STATURL();
_enumerator.Next(1, ref _staturl, out _index);
if (_index == 0)
{
return(false);
}
return(true);
}
/// <summary>
/// Enumerate the items in the history cache and store them in the IList object.
/// </summary>
/// <param name="list">
/// IList object
/// <example><c>ArrayList</c>object</example>
/// </param>
public void GetUrlHistory(IList list)
{
while (true)
{
_staturl = new STATURL();
_enumerator.Next(1, ref _staturl, out _index);
if (_index == 0)
{
break;
}
//if (_staturl.URL.StartsWith("http"))
list.Add(_staturl);
}
_enumerator.Reset();
}
/// <summary>
/// Gets all stored history items.
/// </summary>
/// <returns>The history items</returns>
private List <string> GetHistoryItems()
{
var urlHistory = new CUrlHistory();
var urlHistoryStg = (IUrlHistoryStg)urlHistory;
var history = new List <string>();
var enumrator = (IEnumSTATURL)urlHistoryStg.EnumUrls;
while (true)
{
var staturl = new STATURL();
int index;
enumrator.Next(1, ref staturl, out index);
if (index == 0)
{
break;
}
var url = staturl.pwcsUrl;
var qi = staturl.pwcsUrl.IndexOf('?');
if (qi != -1)
{
url = url.Substring(0, qi);
}
history.Add((url + '\0').ToLower());
}
var typedUrls = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\TypedURLs");
if (typedUrls != null)
{
foreach (var name in typedUrls.GetValueNames())
{
var url = typedUrls.GetValue(name, string.Empty) as string;
if (url != null)
{
history.Add((url + '\0').ToLower());
}
}
}
return(history);
}
/// <summary>
/// Queries the history and reports whether the URL passed as the pocsUrl parameter has been visited by the current
/// user.
/// </summary>
/// <param name="pocsUrl">the string of the URL to querythe string of the URL to query.</param>
/// <param name="dwFlags">
/// STATURL_QUERYFLAGS Enumeration
/// <example>
/// <c>STATURL_QUERYFLAGS.STATURL_QUERYFLAG_TOPLEVEL</c>
/// </example>
/// </param>
/// <returns>
/// Returns STATURL structure that received additional URL history information. If the returned STATURL's pwcsUrl is
/// not null, Queried URL has been visited by the current user.
/// </returns>
public STATURL QueryUrl(string pocsUrl, STATURL_QUERYFLAGS dwFlags)
{
var lpStaturl = new STATURL();
try
{
//In this case, queried URL has been visited by the current user.
_obj.QueryUrl(pocsUrl, dwFlags, ref lpStaturl);
//lpSTATURL.pwcsUrl is NOT null;
return(lpStaturl);
}
catch (FileNotFoundException)
{
//Queried URL has not been visited by the current user.
//lpSTATURL.pwcsUrl is set to null;
return(lpStaturl);
}
}
