/// <summary>
/// Creates a shallow copy of the <b>HtmlOptionCollection</b>.
/// </summary>
/// <returns>A shallow copy of the <see cref="HtmlOptionCollection"/>.</returns>
public virtual object Clone()
{
HtmlOptionCollection newList = new HtmlOptionCollection(count);
Array.Copy(keys, 0, newList.keys, 0, count);
Array.Copy(values, 0, newList.values, 0, count);
newList.count = count;
newList.version = version;
newList.comparer = comparer;
return newList;
}
internal KeyList(HtmlOptionCollection list)
{
this.list = list;
}
/// <summary>
/// Returns a synchronized (thread-safe) wrapper for the <b>HtmlOptionCollection</b>.
/// </summary>
/// <param name="list">The <see cref="HtmlOptionCollection"/> to synchronize.</param>
/// <returns>A synchronized (thread-safe) wrapper for the <see cref="HtmlOptionCollection"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="list"/> is a null reference.</exception>
public static HtmlOptionCollection Synchronized(HtmlOptionCollection list)
{
if (list == null)
throw new ArgumentNullException("list", "The list cannot be null.");
return new SyncSortedList(list);
}
internal ValueList(HtmlOptionCollection list)
{
this.list = list;
}
internal SyncSortedList(HtmlOptionCollection list)
{
this.list = list;
this.root = list.SyncRoot;
}
internal SortedListEnumerator(HtmlOptionCollection list, int index, int count, int returnType)
{
this.list = list;
this.index = index;
this.startIndex = index;
this.endIndex = index + count;
this.version = list.version;
this.returnType = returnType;
this.currentValid = false;
}
/// <summary>
/// Retrieves an ArrayList containing the options element from a HtmlOptionCollection.
/// </summary>
/// <param name="coll"> The HtmlOptionCollection.</param>
/// <returns> An ArrayList containing the option values.</returns>
private ArrayList GetList(HtmlOptionCollection coll)
{
ArrayList t = new ArrayList();
foreach (DictionaryEntry de in coll)
{
t.Add(((HtmlOptionTag)de.Value).Value);
}
return t;
}
