int IComparer.Compare(object a, object b)
{
STATURL c1 = (STATURL)a;
STATURL c2 = (STATURL)b;
return(CompareFileTime(ref c1.ftLastVisited, ref c2.ftLastVisited));
}
//Advances the enumerator to the next item of the url history cache.
/// <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();
enumrator.Next(1, ref staturl, out index);
if (index == 0)
return false;
else
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();
enumrator.Next(1, ref staturl, out index);
if (index == 0)
break;
list.Add(staturl);
}
enumrator.Reset();
}
/// <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)
{
STATURL 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;
}
}